Machine models

Cat M316D, M318D, and M322D specifications

Entries in this reference
Listing-entry count
3

Short answer

Cat M316D, M318D, and M322D: full-size excavators.

Selected configuration figures
Configuration	Documented field and quantity
M316D	Gross Power 166 hp Operating Weight 42,770 lb
M318D	Gross Power 174 hp Operating Weight 44,313 lb
M322D	Gross Power 173 hp Operating Weight 49,604 lb

M316D, M318D, and M322D specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Cat	M316D, M318D, and M322D	3	M316D, M318D, and M322D

Boom/Stick Option (Mex) 1
Specification	M316D	M318D	M322D
Shipping Length Of Unit	28.06 ft	29.11 ft	30.94 ft
Shipping Height Of Unit	10.41 ft	10.41 ft	10.7 ft
Max Cutting Height	33.01 ft	31.86 ft	34.65 ft
Max Loading Height	22.87 ft	21.99 ft	22.74 ft
Max Reach Along Ground	29.24 ft	29.43 ft	31.47 ft
Max Vertical Wall Dig Depth	12.14 ft	10.57 ft	14.51 ft
Max Digging Depth	18.28 ft	18.87 ft	19.66 ft
Boom/Stick Option (Mex) 1	Va Boom 5.2m / stick 2.1m	VA Boom / stick 2.2m	VA Boom / stick 2.2m

Dimensions and weight
Specification	M316D	M318D	M322D
Wheelbase	8.54 ft	8.54 ft	9.03 ft
Tail Swing Radius	7.49 ft	8.21 ft	9.03 ft
Overall Width	8.37 in	8.37 in	9.03 in
Ground Clearance	1.22 ft	1.22 ft	1.25 ft
Overall Width - Outriggers Down	12.54 ft	12.54 ft	13 ft
Height To Top Of Cab	10.41 ft	10.41 ft	10.5 ft
Upper Structure Clearance	4.2 ft	4.2 ft	4.3 ft

Undercarriage
Specification	M316D	M318D	M322D
Ground Clearance	1.25 ft	1.25 ft	1.25 ft
Minimum Turning Radius - Standard Axle - End Of Va Boom	23 ft	23 ft	25.5 ft
Oscillation Axle Angle	9 degrees	9 degrees	9 degrees
Minimum Turning Radius - Standard Axle - Outside Of Tire	21 ft	21 ft	22 ft
Minimum Turning Radius - Standard Axle - End Of One-Piece Boom	27 ft	27 ft	30.5 ft

Specification	M316D	M318D
Minimum Turning Radius - Wide Axle - End Of Va Boom	23 ft	23 ft
Minimum Turning Radius - Wide Axle - Outside Of Tire	21 ft	21 ft
Minimum Turning Radius - Wide Axle - End Of One-Piece Boom	28 ft	28 ft

Engine
Specification	M316D	M318D	M322D
Cylinders	6	6	6
Number Of Cylinders	6	6	6
Engine Model	C6.6 Acert	C6.6 Acert	C6.6 Acert
Gross Power	166 hp	174 hp	173 hp
Net Power	158 hp	166 hp	165 hp
Displacement	403 cu in	403 cu in	403 cu in
Torque Measured @	1,400 rpm	1,400 rpm	1,400 rpm
Net Torque	579 lb-ft	596 lb-ft	553.2 lb-ft
Bore	4.2 in	4.2 in	4.2 in
Stroke	5 in	5 in	5 in
Net Power - ISO 9249	158 hp	166 hp	165 hp
Net Power - 80/1269/Eec	158 hp	166 hp	165 hp
Maximum Torque - 1,400 Rpm	579 lb-ft	596 lb-ft	553 lb-ft
Ratings	1,800 rpm	1,800 rpm	2,000 rpm

Specification	M316D	M322D
Power Measured @	1,800 rpm	2,000 rpm

Specification	M316D	M318D
Net Power - 1,800 Rpm - ISO 9249	158 hp	166 hp

Specification	M322D
Net Power - 2,000 Rpm - ISO 9249	165 hp

Operational
Specification	M316D	M318D	M322D
Operating Weight	42,770 lb	44,313 lb	49,604 lb
Fuel Capacity	81.9 gal	102 gal	101.8 gal
Cooling System Fluid Capacity	8.5 gal	8.5 gal	8.8 gal
Engine Oil Capacity	4 gal	4 gal	4 gal
Front Diff Fluid Capacity	2.8 gal	2.8 gal	3 gal
Rear Diff Fluid Capacity	3.7 gal	3.7 gal	3.9 gal
Hydraulic System Fluid Capacity	58.2 gal	71 gal	88.5 gal
Alternator Supplied Amperage	75 amps	75 amps	75 amps
Hydraulic System Relief Valve Pressure	5,076 psi	5,076 psi	5,076 psi
Hydraulic Pump Flow Capacity	66.1 gpm	77 gpm	92.5 gpm
Oscillating Axle Angle	9 degrees	9 degrees	9 degrees
Max Steering Angle	35 degrees	35 degrees	35 degrees
Tire Size	10.00-20 16PR, dual	10.00-20 16PR, dual	11.00-20 16PR dual

Specification	M316D	M322D
Hydraulic Pump Type	Piston	Piston

Swing Mechanism
Specification	M316D	M318D	M322D
Swing Speed	10.5 rpm	10.5 rpm	9 rpm
Swing Torque	29,502 lb-ft	35,403 lb-ft	41,303 lb-ft

Transmission and speeds
Specification	M316D	M322D
Transmission Type	gear	Gear
Drawbar Pull	21,806 lb	25,179 lb

Specification	M316D	M318D	M322D
Number Of Forward Gears	2	2	2
Number Of Reverse Gears	2	2	2
Max Travel Speed	23 mph	23 mph	16 mph
Creeper Speed - 2nd Gear	8 mph	8 mph	7.5 mph
Forward/Reverse - 1st Gear	5 mph	5 mph	4 mph
Creeper Speed - 1st Gear	2 mph	2 mph	2 mph
Forward/Reverse - 2nd Gear	23 mph	23 mph	16 mph
Maximum Gradeability	63%	60%	60%

Tires
Specification	M316D	M318D	M322D
Standard	1) 10.00-20 (dual pneumatic)	1) 10.00-20 (dual pneumatic)	1) 11.00-20 (dual pneumatic)
Optional	1) 11.00-20 (dual pneumatic) 2) 18 R 19.5 XF (single pneumatic) 3) 10.00-20 (dual solid rubber)	1) 11.00-20 (dual pneumatic) 2) 18 R 19.5 XF (single pneumatic) 3) 10.00-20 (dual solid rubber)	1) 10.00-20 (dual solid rubber)

Weights
Specification	M316D	M322D
Counterweights - Standard	8,157 lb	8,598 lb

Specification	M316D
Counterweights - Optional	9,039 lb
Sticks - Short (2100 Mm)	1,036 lb
Sticks - Medium (2400 Mm)	1,133 lb
Sticks - Long (2600 Mm)	1,168 lb
Offset Boom* - Front And Rear Outriggers	40,455 lb
Offset Boom* - Rear Dozer Only	37,809 lb
Offset Boom* - Rear Dozer, Front Outriggers	40,014 lb
Sticks - Industrial (3100 Mm)	992 lb

Specification	M316D	M318D	M322D
Dozer Blade	1,700 lb	1,700 lb	2,028 lb
Outriggers	2,270 lb	2,270 lb	2,778 lb
Va Boom* - Rear Dozer Only	36,707 lb	39,353 lb	43,321 lb
Va Boom* - Rear Dozer, Front Outriggers	38,912 lb	41,667 lb	45,966 lb
Va Boom* - Front And Rear Outriggers	39,352 lb	42,108 lb	46,518 lb
One-Piece Boom* - Rear Dozer Only	35,605 lb	38,250 lb	41,888 lb
One-Piece Boom* - Front And Rear Outriggers	38,250 lb	40,896 lb	45,085 lb
One-Piece Boom* - Rear Dozer, Front Outriggers	37,809 lb	40,455 lb	44,533 lb

Specification	M318D
Counterweight	8,810 lb
Sticks - Long (2800 Mm)	1,323 lb
Sticks - Industrial (3300 Mm)	1,146 lb

Specification	M318D	M322D
Sticks - Short (2200 Mm)	1,213 lb	1,433 lb
Sticks - Medium (2500 Mm)	1,279 lb	1,543 lb

Specification	M322D
Sticks - Long (2900 Mm)	1,720 lb

Buckets
Specification	M316D	M318D	M322D
Reference Bucket Capacity	1.1 yd3	1 yd3	1.6 yd3
Minimum Bucket Capacity	0.5 yd3	0.8 yd3	0.8 yd3
Maximum Bucket Capacity	1.5 yd3	2.1 yd3	2.1 yd3

Hydraulic System
Specification	M316D	M318D	M322D
System	61 gal (US)	67 gal (US)	92 gal (US)
Tank Capacity	36 gal	45 gal	58 gal
Maximum Pressure - Auxiliary Circuit - High Pressure	5,076 psi	5,076 psi	5,076 psi
Maximum Pressure - Implement Circuit - Normal	5,076 psi	5,076 psi	5,076 psi
Maximum Pressure - Implement Circuit - Heavy Lift	5,439 psi	5,439 psi	5,439 psi
Maximum Pressure - Auxiliary Circuit - Medium Pressure	2,683 psi	2,683 psi	2,683 psi
Maximum Pressure - Travel Circuit	5,076 psi	5,076 psi	5,076 psi
Maximum Flow - Implement/Travel Circuit	66 gpm	77 gpm	92 gpm
Maximum Flow - Swing Mechanism	21 gpm	30 gpm	30 gpm
Maximum Flow - Auxiliary Circuit - High Pressure	66 gpm	66 gpm	55 gpm
Maximum Flow - Auxiliary Circuit - Medium Pressure	13 gpm	13 gpm	13 gpm
Maximum Pressure - Swing Mechanism	5,366 psi	4,496 psi	4,931 psi

Service Refill Capacities
Specification	M316D	M318D	M322D
Fuel Tank	82 gal	102 gal	102 gal
Engine Crankcase	4 gal	4 gal	4 gal
Final Drive	0.7 gal	0.7 gal	0.7 gal
Powershift Transmission	0.7 gal	0.7 gal	0.7 gal
Front Steering Axle - Differential	2.8 gal	2.8 gal	2.9 gal
Rear Axle - Housing (Differential)	3.7 gal	3.7 gal	3.7 gal
Cooling	9.5 gal	9.5 gal	9.8 gal

Drive
Specification	M316D	M318D	M322D
Maximum Travel Speed	23 mph	23 mph	15.6 mph

Sound Levels
Specification	M316D	M318D	M322D
Exterior Sound	Exterior Sound	Exterior Sound	Exterior Sound

Working Ranges
Specification	M316D	M318D	M322D
Maximum Digging Depth	20 ft	20.9 ft	22 ft
Maximum Reach - Ground Level	30.8 ft	31.5 ft	33.9 ft

Bucket Specifications
Specification	M316D	M318D	M322D
Bucket Capacities	0.38 to 1.26 m3 (0.5 to 1.65 yd3)	0.38 to 1.26 m3 (0.5 to 1.65 yd3)	0.44 to 1.57 m3 (0.57 to 2.05 yd3)

Cab/ROPS/Fogs
Specification	M316D	M318D	M322D
Standards	Standards	Standards	Standards

Variants — Source comparison annotation
Source guide	Differing-field count reported
M316D, M318D, and M322D	90

Ratios
Figure	M316D	M318D	M322D
Engine horsepower per 1,000 lb of weight	3.7	3.7	3.3
Fuel tank per engine horsepower	0.52 gal	0.61 gal	0.62 gal
Hydraulic power from the listed pump flow and relief pressure	195.8 hp	228.0 hp	273.9 hp

M316D, M318D, and M322D: owner reports

Sources: 3 forum discussions about the Caterpillar M318 wheeled excavators (M318C, M318D); heavyequipmentforums.com.

Cat: Speed, engine rpm and a cab that will not raise.

M316D, M318D, and M322D: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	full-size excavator	Cat and the M316D, M318D. That is too few titles to say what owners mostly ask about, so the most recent are listed instead	4

CAT M316d_d6w (Heavy Equipment Forums, 2024-10-23)
CAT M316d Rear Back Camera Not Working Blue Screen (Heavy Equipment Forums, 2024-01-24)
CAT M318d (Heavy Equipment Forums, 2014-03-08)
Help With CAT M318d (Heavy Equipment Forums, 2012-04-05)

Used market for the M316D, M318D, and M322D — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Cat full-size excavator	34

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
M316D	13	2005 to 2015	$44,293	$77,314	$64,382	5,606
M318D	8	2007 to 2014	$47,823	$102,000	$67,644	20,450
M322D	13	2007 to 2015	$48,600	$129,900	$64,610	None shown

M316D, M318D, and M322D: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	Cat together with the full-size excavator M316D, M318D, M322D	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Cat M316D — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Cat M318D — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Cat M322D — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Cat M316D, M318D, and M322D — Heavy Equipment Forums. Observed 2026-09-24.
Forum threads	Forum threads: Forum threads read for the Caterpillar M318 wheeled excavators (M318C, M318D) — Heavyequipmentforums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Cat M316D — MachineryTrader. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Cat — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

Recorded observations — Forum-title snapshot
Observation field	Recorded value
Title count	4
Forum indexes	Heavy Equipment Forums
Search wording	the M316D, M318D, and M322D full-size excavator
Latest title quoted by the reference	CAT M316d_d6w

Cat M316D, M318D, and M322D: Configuration records

M316D

Specification	Source figure
Dimensions and weight
Height To Top Of Cab	10.41 ft
Tail Swing Radius	7.49 ft
Wheelbase	8.54 ft
Undercarriage
Minimum Turning Radius - Standard Axle - End Of Va Boom	23 ft
Minimum Turning Radius - Wide Axle - End Of Va Boom	23 ft
Minimum Turning Radius - Wide Axle - Outside Of Tire	21 ft
Oscillation Axle Angle	9 degrees
Minimum Turning Radius - Standard Axle - Outside Of Tire	21 ft
Minimum Turning Radius - Wide Axle - End Of One-Piece Boom	28 ft
Minimum Turning Radius - Standard Axle - End Of One-Piece Boom	27 ft
Engine
Engine Model	C6.6 Acert
Gross Power	166 hp
Net Power	158 hp
Displacement	403 cu in
Bore	4.2 in
Stroke	5 in
Number Of Cylinders	6
Power Measured @	1,800 rpm
Net Power - ISO 9249	158 hp
Cylinders	6
Torque Measured @	1,400 rpm
Net Torque	579 lb-ft
Net Power - 80/1269/Eec	158 hp
Maximum Torque - 1,400 Rpm	579 lb-ft
Ratings	1,800 rpm
Net Power - 1,800 Rpm - ISO 9249	158 hp
Operational
Fuel Capacity	81.9 gal
Cooling System Fluid Capacity	8.5 gal
Hydraulic System Fluid Capacity	58.2 gal
Engine Oil Capacity	4 gal
Alternator Supplied Amperage	75 amps
Hydraulic System Relief Valve Pressure	5,076 psi
Hydraulic Pump Flow Capacity	66.1 gpm
Front Diff Fluid Capacity	2.8 gal
Rear Diff Fluid Capacity	3.7 gal
Hydraulic Pump Type	Piston
Oscillating Axle Angle	9 degrees
Max Steering Angle	35 degrees
Tire Size	10.00-20 16PR, dual
Swing Mechanism
Swing Torque	29,502 lb-ft
Swing Speed	10.5 rpm
Weights
Counterweights - Standard	8,157 lb
Counterweights - Optional	9,039 lb
Dozer Blade	1,700 lb
Outriggers	2,270 lb
Va Boom* - Rear Dozer Only	36,707 lb
Va Boom* - Rear Dozer, Front Outriggers	38,912 lb
Va Boom* - Front And Rear Outriggers	39,352 lb
Sticks - Short (2100 Mm)	1,036 lb
Sticks - Medium (2400 Mm)	1,133 lb
One-Piece Boom* - Rear Dozer Only	35,605 lb
Sticks - Long (2600 Mm)	1,168 lb
Offset Boom* - Front And Rear Outriggers	40,455 lb
Offset Boom* - Rear Dozer Only	37,809 lb
Offset Boom* - Rear Dozer, Front Outriggers	40,014 lb
One-Piece Boom* - Front And Rear Outriggers	38,250 lb
One-Piece Boom* - Rear Dozer, Front Outriggers	37,809 lb
Sticks - Industrial (3100 Mm)	992 lb
Buckets
Reference Bucket Capacity	1.1 yd3
Minimum Bucket Capacity	0.5 yd3
Hydraulic System
System	61 gal (US)
Tank Capacity	36 gal
Maximum Pressure - Auxiliary Circuit - High Pressure	5,076 psi
Maximum Pressure - Implement Circuit - Normal	5,076 psi
Maximum Pressure - Implement Circuit - Heavy Lift	5,439 psi
Maximum Pressure - Auxiliary Circuit - Medium Pressure	2,683 psi
Maximum Pressure - Travel Circuit	5,076 psi
Maximum Flow - Implement/Travel Circuit	66 gpm
Maximum Flow - Swing Mechanism	21 gpm
Maximum Flow - Auxiliary Circuit - High Pressure	66 gpm
Maximum Flow - Auxiliary Circuit - Medium Pressure	13 gpm
Maximum Pressure - Swing Mechanism	5,366 psi
Service Refill Capacities
Fuel Tank	82 gal
Engine Crankcase	4 gal
Final Drive	0.7 gal
Powershift Transmission	0.7 gal
Front Steering Axle - Differential	2.8 gal
Rear Axle - Housing (Differential)	3.7 gal
Cooling	9.5 gal
Boom/Stick Option (Mex) 1
Max Vertical Wall Dig Depth	12.14 ft
Boom/Stick Option (Mex) 1	Va Boom 5.2m / stick 2.1m
Transmission and speeds
Transmission Type	gear
Number Of Forward Gears	2
Number Of Reverse Gears	2
Creeper Speed - 2nd Gear	8 mph
Forward/Reverse - 1st Gear	5 mph
Creeper Speed - 1st Gear	2 mph
Forward/Reverse - 2nd Gear	23 mph
Maximum Gradeability	63%
Tires
Standard	1) 10.00-20 (dual pneumatic)
Optional	1) 11.00-20 (dual pneumatic) 2) 18 R 19.5 XF (single pneumatic) 3) 10.00-20 (dual solid rubber)
Sound Levels
Exterior Sound	Exterior Sound
Working Ranges
Maximum Digging Depth	20 ft
Bucket Specifications
Bucket Capacities	0.38 to 1.26 m3 (0.5 to 1.65 yd3)
Additional specifications
Ground Clearance	1.22 ft
Overall Width - Outriggers Down	12.54 ft
Upper Structure Clearance	4.2 ft
Operating Weight	42,770 lb
Maximum Bucket Capacity	1.5 yd3
Maximum Travel Speed	23 mph
Shipping Length Of Unit	28.06 ft
Shipping Height Of Unit	10.41 ft
Max Cutting Height	33.01 ft
Max Loading Height	22.87 ft
Max Reach Along Ground	29.24 ft
Max Digging Depth	18.28 ft
Max Travel Speed	23 mph
Drawbar Pull	21,806 lb
Maximum Reach - Ground Level	30.8 ft
Standards	Standards

Source

M318D

Specification	Source figure
Dimensions and weight
Height To Top Of Cab	10.41 ft
Tail Swing Radius	8.21 ft
Wheelbase	8.54 ft
Undercarriage
Minimum Turning Radius - Standard Axle - End Of Va Boom	23 ft
Minimum Turning Radius - Wide Axle - End Of Va Boom	23 ft
Minimum Turning Radius - Wide Axle - Outside Of Tire	21 ft
Oscillation Axle Angle	9 degrees
Minimum Turning Radius - Standard Axle - Outside Of Tire	21 ft
Minimum Turning Radius - Wide Axle - End Of One-Piece Boom	28 ft
Minimum Turning Radius - Standard Axle - End Of One-Piece Boom	27 ft
Engine
Engine Model	C6.6 Acert
Gross Power	174 hp
Net Power	166 hp
Displacement	403 cu in
Bore	4.2 in
Stroke	5 in
Number Of Cylinders	6
Net Power - ISO 9249	166 hp
Cylinders	6
Torque Measured @	1,400 rpm
Net Torque	596 lb-ft
Net Power - 80/1269/Eec	166 hp
Maximum Torque - 1,400 Rpm	596 lb-ft
Ratings	1,800 rpm
Net Power - 1,800 Rpm - ISO 9249	166 hp
Operational
Fuel Capacity	102 gal
Cooling System Fluid Capacity	8.5 gal
Hydraulic System Fluid Capacity	71 gal
Engine Oil Capacity	4 gal
Alternator Supplied Amperage	75 amps
Hydraulic System Relief Valve Pressure	5,076 psi
Hydraulic Pump Flow Capacity	77 gpm
Front Diff Fluid Capacity	2.8 gal
Rear Diff Fluid Capacity	3.7 gal
Oscillating Axle Angle	9 degrees
Max Steering Angle	35 degrees
Tire Size	10.00-20 16PR, dual
Swing Mechanism
Swing Torque	35,403 lb-ft
Swing Speed	10.5 rpm
Weights
Dozer Blade	1,700 lb
Outriggers	2,270 lb
Va Boom* - Rear Dozer Only	39,353 lb
Va Boom* - Rear Dozer, Front Outriggers	41,667 lb
Va Boom* - Front And Rear Outriggers	42,108 lb
One-Piece Boom* - Rear Dozer Only	38,250 lb
One-Piece Boom* - Front And Rear Outriggers	40,896 lb
One-Piece Boom* - Rear Dozer, Front Outriggers	40,455 lb
Counterweight	8,810 lb
Sticks - Short (2200 Mm)	1,213 lb
Sticks - Medium (2500 Mm)	1,279 lb
Sticks - Long (2800 Mm)	1,323 lb
Sticks - Industrial (3300 Mm)	1,146 lb
Buckets
Reference Bucket Capacity	1 yd3
Minimum Bucket Capacity	0.8 yd3
Hydraulic System
System	67 gal (US)
Tank Capacity	45 gal
Maximum Pressure - Auxiliary Circuit - High Pressure	5,076 psi
Maximum Pressure - Implement Circuit - Normal	5,076 psi
Maximum Pressure - Implement Circuit - Heavy Lift	5,439 psi
Maximum Pressure - Auxiliary Circuit - Medium Pressure	2,683 psi
Maximum Pressure - Travel Circuit	5,076 psi
Maximum Flow - Implement/Travel Circuit	77 gpm
Maximum Flow - Swing Mechanism	30 gpm
Maximum Flow - Auxiliary Circuit - High Pressure	66 gpm
Maximum Flow - Auxiliary Circuit - Medium Pressure	13 gpm
Maximum Pressure - Swing Mechanism	4,496 psi
Service Refill Capacities
Fuel Tank	102 gal
Engine Crankcase	4 gal
Final Drive	0.7 gal
Powershift Transmission	0.7 gal
Front Steering Axle - Differential	2.8 gal
Rear Axle - Housing (Differential)	3.7 gal
Cooling	9.5 gal
Boom/Stick Option (Mex) 1
Max Vertical Wall Dig Depth	10.57 ft
Boom/Stick Option (Mex) 1	VA Boom / stick 2.2m
Transmission and speeds
Number Of Forward Gears	2
Number Of Reverse Gears	2
Creeper Speed - 2nd Gear	8 mph
Forward/Reverse - 1st Gear	5 mph
Creeper Speed - 1st Gear	2 mph
Forward/Reverse - 2nd Gear	23 mph
Maximum Gradeability	60%
Tires
Standard	1) 10.00-20 (dual pneumatic)
Optional	1) 11.00-20 (dual pneumatic) 2) 18 R 19.5 XF (single pneumatic) 3) 10.00-20 (dual solid rubber)
Sound Levels
Exterior Sound	Exterior Sound
Working Ranges
Maximum Digging Depth	20.9 ft
Bucket Specifications
Bucket Capacities	0.38 to 1.26 m3 (0.5 to 1.65 yd3)
Additional specifications
Ground Clearance	1.22 ft
Overall Width - Outriggers Down	12.54 ft
Upper Structure Clearance	4.2 ft
Operating Weight	44,313 lb
Maximum Bucket Capacity	2.1 yd3
Maximum Travel Speed	23 mph
Shipping Length Of Unit	29.11 ft
Shipping Height Of Unit	10.41 ft
Max Cutting Height	31.86 ft
Max Loading Height	21.99 ft
Max Reach Along Ground	29.43 ft
Max Digging Depth	18.87 ft
Max Travel Speed	23 mph
Maximum Reach - Ground Level	31.5 ft
Standards	Standards

Source

M322D

Specification	Source figure
Dimensions and weight
Height To Top Of Cab	10.5 ft
Tail Swing Radius	9.03 ft
Wheelbase	9.03 ft
Undercarriage
Minimum Turning Radius - Standard Axle - End Of Va Boom	25.5 ft
Oscillation Axle Angle	9 degrees
Minimum Turning Radius - Standard Axle - Outside Of Tire	22 ft
Minimum Turning Radius - Standard Axle - End Of One-Piece Boom	30.5 ft
Engine
Engine Model	C6.6 Acert
Gross Power	173 hp
Net Power	165 hp
Displacement	403 cu in
Bore	4.2 in
Stroke	5 in
Number Of Cylinders	6
Power Measured @	2,000 rpm
Net Power - ISO 9249	165 hp
Cylinders	6
Torque Measured @	1,400 rpm
Net Torque	553.2 lb-ft
Net Power - 80/1269/Eec	165 hp
Maximum Torque - 1,400 Rpm	553 lb-ft
Ratings	2,000 rpm
Net Power - 2,000 Rpm - ISO 9249	165 hp
Operational
Fuel Capacity	101.8 gal
Cooling System Fluid Capacity	8.8 gal
Hydraulic System Fluid Capacity	88.5 gal
Engine Oil Capacity	4 gal
Alternator Supplied Amperage	75 amps
Hydraulic System Relief Valve Pressure	5,076 psi
Hydraulic Pump Flow Capacity	92.5 gpm
Front Diff Fluid Capacity	3 gal
Rear Diff Fluid Capacity	3.9 gal
Hydraulic Pump Type	Piston
Oscillating Axle Angle	9 degrees
Max Steering Angle	35 degrees
Tire Size	11.00-20 16PR dual
Swing Mechanism
Swing Torque	41,303 lb-ft
Swing Speed	9 rpm
Weights
Counterweights - Standard	8,598 lb
Dozer Blade	2,028 lb
Outriggers	2,778 lb
Va Boom* - Rear Dozer Only	43,321 lb
Va Boom* - Rear Dozer, Front Outriggers	45,966 lb
Va Boom* - Front And Rear Outriggers	46,518 lb
One-Piece Boom* - Rear Dozer Only	41,888 lb
One-Piece Boom* - Front And Rear Outriggers	45,085 lb
One-Piece Boom* - Rear Dozer, Front Outriggers	44,533 lb
Sticks - Short (2200 Mm)	1,433 lb
Sticks - Medium (2500 Mm)	1,543 lb
Sticks - Long (2900 Mm)	1,720 lb
Buckets
Reference Bucket Capacity	1.6 yd3
Minimum Bucket Capacity	0.8 yd3
Hydraulic System
System	92 gal (US)
Tank Capacity	58 gal
Maximum Pressure - Auxiliary Circuit - High Pressure	5,076 psi
Maximum Pressure - Implement Circuit - Normal	5,076 psi
Maximum Pressure - Implement Circuit - Heavy Lift	5,439 psi
Maximum Pressure - Auxiliary Circuit - Medium Pressure	2,683 psi
Maximum Pressure - Travel Circuit	5,076 psi
Maximum Flow - Implement/Travel Circuit	92 gpm
Maximum Flow - Swing Mechanism	30 gpm
Maximum Flow - Auxiliary Circuit - High Pressure	55 gpm
Maximum Flow - Auxiliary Circuit - Medium Pressure	13 gpm
Maximum Pressure - Swing Mechanism	4,931 psi
Service Refill Capacities
Fuel Tank	102 gal
Engine Crankcase	4 gal
Final Drive	0.7 gal
Powershift Transmission	0.7 gal
Front Steering Axle - Differential	2.9 gal
Rear Axle - Housing (Differential)	3.7 gal
Cooling	9.8 gal
Boom/Stick Option (Mex) 1
Max Vertical Wall Dig Depth	14.51 ft
Boom/Stick Option (Mex) 1	VA Boom / stick 2.2m
Transmission and speeds
Transmission Type	Gear
Number Of Forward Gears	2
Number Of Reverse Gears	2
Creeper Speed - 2nd Gear	7.5 mph
Forward/Reverse - 1st Gear	4 mph
Creeper Speed - 1st Gear	2 mph
Forward/Reverse - 2nd Gear	16 mph
Maximum Gradeability	60%
Tires
Standard	1) 11.00-20 (dual pneumatic)
Optional	1) 10.00-20 (dual solid rubber)
Sound Levels
Exterior Sound	Exterior Sound
Working Ranges
Maximum Digging Depth	22 ft
Bucket Specifications
Bucket Capacities	0.44 to 1.57 m3 (0.57 to 2.05 yd3)
Additional specifications
Ground Clearance	1.25 ft
Overall Width - Outriggers Down	13 ft
Upper Structure Clearance	4.3 ft
Operating Weight	49,604 lb
Maximum Bucket Capacity	2.1 yd3
Maximum Travel Speed	15.6 mph
Shipping Length Of Unit	30.94 ft
Shipping Height Of Unit	10.7 ft
Max Cutting Height	34.65 ft
Max Loading Height	22.74 ft
Max Reach Along Ground	31.47 ft
Max Digging Depth	19.66 ft
Max Travel Speed	16 mph
Drawbar Pull	25,179 lb
Maximum Reach - Ground Level	33.9 ft
Standards	Standards

Source

Compare Cat M316D, M318D, M322D

Boom/Stick Option (Mex) 1
Specification	M316D	M318D	M322D
Shipping Length Of Unit	28.06 ft	29.11 ft	30.94 ft
Shipping Height Of Unit	10.41 ft	10.41 ft	10.7 ft
Max Cutting Height	33.01 ft	31.86 ft	34.65 ft
Max Loading Height	22.87 ft	21.99 ft	22.74 ft
Max Reach Along Ground	29.24 ft	29.43 ft	31.47 ft
Max Vertical Wall Dig Depth	12.14 ft	10.57 ft	14.51 ft
Max Digging Depth	18.28 ft	18.87 ft	19.66 ft
Boom/Stick Option (Mex) 1	Va Boom 5.2m / stick 2.1m	VA Boom / stick 2.2m	VA Boom / stick 2.2m

Dimensions and weight
Specification	M316D	M318D	M322D
Wheelbase	8.54 ft	8.54 ft	9.03 ft
Tail Swing Radius	7.49 ft	8.21 ft	9.03 ft
Ground Clearance	1.22 ft	1.22 ft	1.25 ft
Overall Width - Outriggers Down	12.54 ft	12.54 ft	13 ft
Height To Top Of Cab	10.41 ft	10.41 ft	10.5 ft
Upper Structure Clearance	4.2 ft	4.2 ft	4.3 ft

Undercarriage
Specification	M316D	M318D	M322D
Minimum Turning Radius - Standard Axle - End Of Va Boom	23 ft	23 ft	25.5 ft
Oscillation Axle Angle	9 degrees	9 degrees	9 degrees
Minimum Turning Radius - Standard Axle - Outside Of Tire	21 ft	21 ft	22 ft
Minimum Turning Radius - Standard Axle - End Of One-Piece Boom	27 ft	27 ft	30.5 ft

Engine
Specification	M316D	M318D	M322D
Cylinders	6	6	6
Number Of Cylinders	6	6	6
Engine Model	C6.6 Acert	C6.6 Acert	C6.6 Acert
Gross Power	166 hp	174 hp	173 hp
Net Power	158 hp	166 hp	165 hp
Displacement	403 cu in	403 cu in	403 cu in
Torque Measured @	1,400 rpm	1,400 rpm	1,400 rpm
Net Torque	579 lb-ft	596 lb-ft	553.2 lb-ft
Bore	4.2 in	4.2 in	4.2 in
Stroke	5 in	5 in	5 in
Net Power - ISO 9249	158 hp	166 hp	165 hp
Net Power - 80/1269/Eec	158 hp	166 hp	165 hp
Maximum Torque - 1,400 Rpm	579 lb-ft	596 lb-ft	553 lb-ft
Ratings	1,800 rpm	1,800 rpm	2,000 rpm

Operational
Specification	M316D	M318D	M322D
Operating Weight	42,770 lb	44,313 lb	49,604 lb
Fuel Capacity	81.9 gal	102 gal	101.8 gal
Cooling System Fluid Capacity	8.5 gal	8.5 gal	8.8 gal
Engine Oil Capacity	4 gal	4 gal	4 gal
Front Diff Fluid Capacity	2.8 gal	2.8 gal	3 gal
Rear Diff Fluid Capacity	3.7 gal	3.7 gal	3.9 gal
Hydraulic System Fluid Capacity	58.2 gal	71 gal	88.5 gal
Alternator Supplied Amperage	75 amps	75 amps	75 amps
Hydraulic System Relief Valve Pressure	5,076 psi	5,076 psi	5,076 psi
Hydraulic Pump Flow Capacity	66.1 gpm	77 gpm	92.5 gpm
Oscillating Axle Angle	9 degrees	9 degrees	9 degrees
Max Steering Angle	35 degrees	35 degrees	35 degrees
Tire Size	10.00-20 16PR, dual	10.00-20 16PR, dual	11.00-20 16PR dual

Swing Mechanism
Specification	M316D	M318D	M322D
Swing Speed	10.5 rpm	10.5 rpm	9 rpm
Swing Torque	29,502 lb-ft	35,403 lb-ft	41,303 lb-ft

Transmission and speeds
Specification	M316D	M318D	M322D
Number Of Forward Gears	2	2	2
Number Of Reverse Gears	2	2	2
Max Travel Speed	23 mph	23 mph	16 mph
Creeper Speed - 2nd Gear	8 mph	8 mph	7.5 mph
Forward/Reverse - 1st Gear	5 mph	5 mph	4 mph
Creeper Speed - 1st Gear	2 mph	2 mph	2 mph
Forward/Reverse - 2nd Gear	23 mph	23 mph	16 mph
Maximum Gradeability	63%	60%	60%

Tires
Specification	M316D	M318D	M322D
Standard	1) 10.00-20 (dual pneumatic)	1) 10.00-20 (dual pneumatic)	1) 11.00-20 (dual pneumatic)
Optional	1) 11.00-20 (dual pneumatic) 2) 18 R 19.5 XF (single pneumatic) 3) 10.00-20 (dual solid rubber)	1) 11.00-20 (dual pneumatic) 2) 18 R 19.5 XF (single pneumatic) 3) 10.00-20 (dual solid rubber)	1) 10.00-20 (dual solid rubber)

Weights
Specification	M316D	M318D	M322D
Dozer Blade	1,700 lb	1,700 lb	2,028 lb
Outriggers	2,270 lb	2,270 lb	2,778 lb
Va Boom* - Rear Dozer Only	36,707 lb	39,353 lb	43,321 lb
Va Boom* - Rear Dozer, Front Outriggers	38,912 lb	41,667 lb	45,966 lb
Va Boom* - Front And Rear Outriggers	39,352 lb	42,108 lb	46,518 lb
One-Piece Boom* - Rear Dozer Only	35,605 lb	38,250 lb	41,888 lb
One-Piece Boom* - Front And Rear Outriggers	38,250 lb	40,896 lb	45,085 lb
One-Piece Boom* - Rear Dozer, Front Outriggers	37,809 lb	40,455 lb	44,533 lb

Buckets
Specification	M316D	M318D	M322D
Reference Bucket Capacity	1.1 yd3	1 yd3	1.6 yd3
Minimum Bucket Capacity	0.5 yd3	0.8 yd3	0.8 yd3
Maximum Bucket Capacity	1.5 yd3	2.1 yd3	2.1 yd3

Hydraulic System
Specification	M316D	M318D	M322D
System	61 gal (US)	67 gal (US)	92 gal (US)
Tank Capacity	36 gal	45 gal	58 gal
Maximum Pressure - Auxiliary Circuit - High Pressure	5,076 psi	5,076 psi	5,076 psi
Maximum Pressure - Implement Circuit - Normal	5,076 psi	5,076 psi	5,076 psi
Maximum Pressure - Implement Circuit - Heavy Lift	5,439 psi	5,439 psi	5,439 psi
Maximum Pressure - Auxiliary Circuit - Medium Pressure	2,683 psi	2,683 psi	2,683 psi
Maximum Pressure - Travel Circuit	5,076 psi	5,076 psi	5,076 psi
Maximum Flow - Implement/Travel Circuit	66 gpm	77 gpm	92 gpm
Maximum Flow - Swing Mechanism	21 gpm	30 gpm	30 gpm
Maximum Flow - Auxiliary Circuit - High Pressure	66 gpm	66 gpm	55 gpm
Maximum Flow - Auxiliary Circuit - Medium Pressure	13 gpm	13 gpm	13 gpm
Maximum Pressure - Swing Mechanism	5,366 psi	4,496 psi	4,931 psi

Service Refill Capacities
Specification	M316D	M318D	M322D
Fuel Tank	82 gal	102 gal	102 gal
Engine Crankcase	4 gal	4 gal	4 gal
Final Drive	0.7 gal	0.7 gal	0.7 gal
Powershift Transmission	0.7 gal	0.7 gal	0.7 gal
Front Steering Axle - Differential	2.8 gal	2.8 gal	2.9 gal
Rear Axle - Housing (Differential)	3.7 gal	3.7 gal	3.7 gal
Cooling	9.5 gal	9.5 gal	9.8 gal

Drive
Specification	M316D	M318D	M322D
Maximum Travel Speed	23 mph	23 mph	15.6 mph

Sound Levels
Specification	M316D	M318D	M322D
Exterior Sound	Exterior Sound	Exterior Sound	Exterior Sound

Working Ranges
Specification	M316D	M318D	M322D
Maximum Digging Depth	20 ft	20.9 ft	22 ft
Maximum Reach - Ground Level	30.8 ft	31.5 ft	33.9 ft

Bucket Specifications
Specification	M316D	M318D	M322D
Bucket Capacities	0.38 to 1.26 m3 (0.5 to 1.65 yd3)	0.38 to 1.26 m3 (0.5 to 1.65 yd3)	0.44 to 1.57 m3 (0.57 to 2.05 yd3)

Cab/ROPS/Fogs
Specification	M316D	M318D	M322D
Standards	Standards	Standards	Standards

More in Cat: M322C, 229D/231D/231D LC, 322C L/322C LN.

Cat M316D, M318D, and M322D specifications

M316D, M318D, and M322D: owner reports

Sources for this page

Cat M316D, M318D, and M322D: Configuration records