Machine models

Cat 322B, 322B L, and 325B specifications

Entries in this reference
Listing-entry count
3

Short answer

Cat 322B, 322B L, and 325B: full-size excavators.

Selected configuration figures
Configuration	Documented field and quantity
322B	Gross Power 161 hp Operating Weight 50,177 lb
322B L	Gross Power 161 hp Operating Weight 50,177 lb
325B	Gross Power 177 hp Operating Weight 57,100 lb

322B, 322B L, and 325B specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Cat	322B, 322B L, and 325B	3	322B, 322B L, and 325B

Boom/Stick Option (Hex) 1
Specification	322B	322B L	325B
Shipping Length Of Unit	32.68 ft	32.68 ft	33.76 ft
Shipping Height Of Unit	10.24 ft	10.24 ft	10.73 ft
Max Cutting Height	31.76 ft	31.76 ft	32.68 ft
Max Loading Height	22.09 ft	22.09 ft	23.33 ft
Max Reach Along Ground	32.85 ft	32.85 ft	34.52 ft
Max Vertical Wall Digging Depth	18.71 ft	18.71 ft	20.94 ft
Max Digging Depth	22.02 ft	22.02 ft	23.27 ft
Boom/Stick Option (Hex) 1	Boom 19\'4\" (5900mm) / Stick 9\'8\" (2950mm)	Boom 19\'4\" (5900mm) / Stick 9\'8\" (2950mm)	Boom 20\'2\" (6150mm) / Stick 10\'6\" (3200mm)

Dimensions and weight
Specification	322B	322B L	325B
Ground Clearance	1.55 ft	1.55 ft	1.68 ft
Height To Top Of Cab	9.78 ft	9.78 ft	10.14 ft
Width To Outside Of Tracks	9.81 ft	10.47 ft	9.81 ft
Length Of Track On Ground	11.32 ft	12.57 ft	11.46 ft
Tail Swing Radius	9.52 ft	9.52 ft	10.01 ft
Removal Counterweight Clearance	3.58 ft	3.58 ft	3.75 ft

Undercarriage
Specification	322B	322B L	325B
Track Gauge	7.85 ft	8.5 ft	7.85 ft
Shoe Size	23.63 in	31.5 in	23.63 in
Drawbar Pull	43,613 lb	43,613 lb	48,334 lb
Max Travel Speed	3.42 mph	3.42 mph	3.11 mph

Engine
Specification	322B	322B L	325B
Number Of Cylinders	6	6	6
Engine Model	3116TA	3116TA	3116TA
Net Power	153 hp	153 hp	168 hp
Gross Power	161 hp	161 hp	177 hp
Power Measured @	1,950 rpm	1,950 rpm	2,000 rpm
Displacement	403 cu in	403 cu in	403 cu in
Aspiration	Turbocharged and Aftercooled	Turbocharged and Aftercooled	Turbocharged and Aftercooled

Specification	322B L	325B
Bore	4.2 in	4.1 in
Stroke	5 in	5 in
Net Power - ISO 9249	153 hp	168 hp
Net Power - SAE J1349	153 hp	166 hp
Net Power - Eec 80/1269	153 hp	168 hp
Net Flywheel Power	153 hp	168 hp

Operational
Specification	322B	322B L	325B
Operating Weight	50,177 lb	50,177 lb	57,100 lb
Fuel Capacity	89.9 gal	89.9 gal	111 gal
Cooling System Fluid Capacity	8.4 gal	8.4 gal	8.4 gal
Hydraulic System Fluid Capacity	70.1 gal	70.1 gal	81.9 gal
Engine Oil Capacity	5.7 gal	5.7 gal	5.3 gal
Operating Voltage	24 V	24 V	24 V
Swing Drive Fluid Capacity	2.2 gal	2.2 gal	2.7 gal
Alternator Supplied Amperage	55 amps	55 amps	52 amps
Hydraulic System Relief Valve Pressure	4,980 psi	4,980 psi	4,975 psi
Hydraulic Pump Flow Capacity	108.4 gpm	108.4 gpm	109.9 gpm

Swing Mechanism
Specification	322B	322B L	325B
Swing Torque	51,850 lb-ft	51,850 lb-ft	56,055 lb-ft

Buckets
Specification	322B	322B L	325B
Reference Bucket Capacity	1.4 yd3	1.4 yd3	1.5 yd3
Minimum Bucket Capacity	1.3 yd3	1.3 yd3	1.4 yd3
Maximum Bucket Capacity	2 yd3	2 yd3	2.5 yd3

Weights
Specification	322B L	325B
Operating Weight - Standard Undercarriage	50,160 lb	56,240 lb

Hydraulic System
Specification	322B L	325B
Pilot System - Maximum Flow	10.3 gpm	11 gpm
Pilot System - Maximum Pressure	600 psi	595 psi
Maximum Pressure - Travel	4,980 psi	4,980 psi
Maximum Pressure - Swing	3,980 psi	3,988 psi
Main Implement System - Maximum Flow (2x)	54.2 gpm	56.5 gpm
Boom Cylinder - Bore	5.1 in	5.6 in
Boom Cylinder - Stroke	51.4 in	55 in
Maximum Pressure - Equipment	4,980 psi	4,980 psi

Specification	322B L
B1 Family Bucket Cylinder - Bore	4.7 in
B1 Family Bucket Cylinder - Stroke	40.6 in

Specification	325B
C Family Bucket Cylinder - Bore	5.2 in
C Family Bucket Cylinder - Stroke	46 in
D Family Bucket Cylinder - Bore	6 in
D Family Bucket Cylinder - Stroke	46 in

Service Refill Capacities
Specification	322B L	325B
Cooling System	8.3 gal	8.3 gal
Final Drive - Each	2.6 gal	2.1 gal
Hydraulic System - Including Tank	70 gal	82 gal
Engine Oil	5.7 gal	5.3 gal
Fuel Tank Capacity	90 gal	111 gal
Swing Drive	2.6 gal	2.6 gal

Track
Specification	322B L	325B
Standard With Standard Undercarriage	24 in	24 in
Optional (1)	24 in	24 in
Optional (2)	28 in	28 in
Optional (3)	32 in	32 in
Standard With Long Undercarriage - Triple Grouser	32 in	32 in

Drive
Specification	322B L	325B
Maximum Travel Speed	3.4 mph	3.1 mph
Maximum Drawbar Pull	43,612 lb	48,109 lb

Variants — Source comparison annotation
Source guide	Differing-field count reported
322B, 322B L, and 325B	67

Ratios
Figure	322B	322B L	325B
Engine horsepower per 1,000 lb of weight	3.0	3.0	2.9
Fuel tank per engine horsepower	0.59 gal	0.59 gal	0.66 gal
Hydraulic power from the listed pump flow and relief pressure	315.0 hp	315.0 hp	319.0 hp

322B, 322B L, and 325B: owner reports

Sources: 3 forum discussions about the Caterpillar 322 excavators (322B, 322CL); heavyequipmentforums.com.

Cat: Diagnostic codes, engine swap and engine struggling on hydraulics.

Sources: 3 forum discussions about the Caterpillar 325 excavators (325B, 325L); heavyequipmentforums.com.

Cat: Electrical codes and hydraulic leaks.

322B, 322B L, and 325B: 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 322B, 322B L, 325B	17

Topics named by those titles
Title topic	Titles
hydraulics	3

Topic in the title	Threads	Share of matching threads
hydraulics	3	18%

CAT 322b Engine Swap Questions (Heavy Equipment Forums, 2025-11-01)
CAT 322bl Track Issue (Heavy Equipment Forums, 2025-01-26)
325b CAT Bucket Linkage Differences B C (Heavy Equipment Forums, 2024-12-26)
CAT 322b (Heavy Equipment Forums, 2024-11-02)

Used market for the 322B, 322B L, and 325B — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Cat full-size excavator	8

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
322B	3	1998 to 2001	$35,000	$38,997	$36,999	None shown
322B L	3	1998 to 2001	$35,000	$38,997	$36,999	None shown
325B	2	1999	$25,000	$25,000	$25,000	None shown

322B, 322B L, and 325B: 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 322B, 322B L, 325B	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Cat 322B — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Cat 322B L — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Cat 325B — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Cat 322B, 322B L, and 325B — Heavy Equipment Forums. Observed 2026-09-24.
Forum threads	Forum threads: Forum threads read for the Caterpillar 322 excavators (322B, 322CL) — Heavyequipmentforums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Cat 322B — 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.

Cat 322B, 322B L, and 325B: Configuration records

322B

Specification	Source figure
Boom/Stick Option (Hex) 1
Max Vertical Wall Digging Depth	18.71 ft
Boom/Stick Option (Hex) 1	Boom 19'4" (5900mm) / Stick 9'8" (2950mm)
Dimensions and weight
Height To Top Of Cab	9.78 ft
Length Of Track On Ground	11.32 ft
Tail Swing Radius	9.52 ft
Removal Counterweight Clearance	3.58 ft
Width To Outside Of Tracks	9.81 ft
Undercarriage
Track Gauge	7.85 ft
Shoe Size	23.63 in
Engine
Engine Model	3116TA
Gross Power	161 hp
Net Power	153 hp
Displacement	403 cu in
Number Of Cylinders	6
Power Measured @	1,950 rpm
Aspiration	Turbocharged and Aftercooled
Operational
Fuel Capacity	89.9 gal
Cooling System Fluid Capacity	8.4 gal
Hydraulic System Fluid Capacity	70.1 gal
Engine Oil Capacity	5.7 gal
Swing Drive Fluid Capacity	2.2 gal
Operating Voltage	24 V
Alternator Supplied Amperage	55 amps
Hydraulic System Relief Valve Pressure	4,980 psi
Hydraulic Pump Flow Capacity	108.4 gpm
Swing Mechanism
Swing Torque	51,850 lb-ft
Buckets
Reference Bucket Capacity	1.4 yd3
Minimum Bucket Capacity	1.3 yd3
Additional specifications
Shipping Length Of Unit	32.68 ft
Shipping Height Of Unit	10.24 ft
Max Cutting Height	31.76 ft
Max Loading Height	22.09 ft
Max Reach Along Ground	32.85 ft
Max Digging Depth	22.02 ft
Ground Clearance	1.55 ft
Drawbar Pull	43,613 lb
Max Travel Speed	3.42 mph
Operating Weight	50,177 lb
Maximum Bucket Capacity	2 yd3

Source

322B L

Specification	Source figure
Boom/Stick Option (Hex) 1
Max Vertical Wall Digging Depth	18.71 ft
Boom/Stick Option (Hex) 1	Boom 19'4" (5900mm) / Stick 9'8" (2950mm)
Dimensions and weight
Height To Top Of Cab	9.78 ft
Length Of Track On Ground	12.57 ft
Tail Swing Radius	9.52 ft
Removal Counterweight Clearance	3.58 ft
Width To Outside Of Tracks	10.47 ft
Undercarriage
Track Gauge	8.5 ft
Shoe Size	31.5 in
Engine
Engine Model	3116TA
Gross Power	161 hp
Net Power	153 hp
Displacement	403 cu in
Bore	4.2 in
Stroke	5 in
Net Power - SAE J1349	153 hp
Net Flywheel Power	153 hp
Number Of Cylinders	6
Power Measured @	1,950 rpm
Aspiration	Turbocharged and Aftercooled
Net Power - ISO 9249	153 hp
Net Power - Eec 80/1269	153 hp
Operational
Fuel Capacity	89.9 gal
Cooling System Fluid Capacity	8.4 gal
Hydraulic System Fluid Capacity	70.1 gal
Engine Oil Capacity	5.7 gal
Swing Drive Fluid Capacity	2.2 gal
Operating Voltage	24 V
Alternator Supplied Amperage	55 amps
Hydraulic System Relief Valve Pressure	4,980 psi
Hydraulic Pump Flow Capacity	108.4 gpm
Swing Mechanism
Swing Torque	51,850 lb-ft
Weights
Operating Weight - Standard Undercarriage	50,160 lb
Buckets
Reference Bucket Capacity	1.4 yd3
Minimum Bucket Capacity	1.3 yd3
Hydraulic System
Pilot System - Maximum Flow	10.3 gpm
Pilot System - Maximum Pressure	600 psi
Maximum Pressure - Travel	4,980 psi
Maximum Pressure - Swing	3,980 psi
Boom Cylinder - Bore	5.1 in
Boom Cylinder - Stroke	51.4 in
Main Implement System - Maximum Flow (2x)	54.2 gpm
Maximum Pressure - Equipment	4,980 psi
B1 Family Bucket Cylinder - Bore	4.7 in
B1 Family Bucket Cylinder - Stroke	40.6 in
Service Refill Capacities
Cooling System	8.3 gal
Final Drive - Each	2.6 gal
Hydraulic System - Including Tank	70 gal
Swing Drive	2.6 gal
Engine Oil	5.7 gal
Track
Standard With Standard Undercarriage	24 in
Optional (1)	24 in
Optional (2)	28 in
Optional (3)	32 in
Standard With Long Undercarriage - Triple Grouser	32 in
Drive
Maximum Drawbar Pull	43,612 lb
Additional specifications
Shipping Length Of Unit	32.68 ft
Shipping Height Of Unit	10.24 ft
Max Cutting Height	31.76 ft
Max Loading Height	22.09 ft
Max Reach Along Ground	32.85 ft
Max Digging Depth	22.02 ft
Ground Clearance	1.55 ft
Drawbar Pull	43,613 lb
Max Travel Speed	3.42 mph
Operating Weight	50,177 lb
Maximum Bucket Capacity	2 yd3
Fuel Tank Capacity	90 gal
Maximum Travel Speed	3.4 mph

Source

325B

Specification	Source figure
Boom/Stick Option (Hex) 1
Max Vertical Wall Digging Depth	20.94 ft
Boom/Stick Option (Hex) 1	Boom 20'2" (6150mm) / Stick 10'6" (3200mm)
Dimensions and weight
Height To Top Of Cab	10.14 ft
Length Of Track On Ground	11.46 ft
Tail Swing Radius	10.01 ft
Removal Counterweight Clearance	3.75 ft
Width To Outside Of Tracks	9.81 ft
Undercarriage
Track Gauge	7.85 ft
Shoe Size	23.63 in
Engine
Engine Model	3116TA
Gross Power	177 hp
Net Power	168 hp
Displacement	403 cu in
Bore	4.1 in
Stroke	5 in
Net Power - SAE J1349	166 hp
Net Flywheel Power	168 hp
Number Of Cylinders	6
Power Measured @	2,000 rpm
Aspiration	Turbocharged and Aftercooled
Net Power - ISO 9249	168 hp
Net Power - Eec 80/1269	168 hp
Operational
Fuel Capacity	111 gal
Cooling System Fluid Capacity	8.4 gal
Hydraulic System Fluid Capacity	81.9 gal
Engine Oil Capacity	5.3 gal
Swing Drive Fluid Capacity	2.7 gal
Operating Voltage	24 V
Alternator Supplied Amperage	52 amps
Hydraulic System Relief Valve Pressure	4,975 psi
Hydraulic Pump Flow Capacity	109.9 gpm
Swing Mechanism
Swing Torque	56,055 lb-ft
Weights
Operating Weight - Standard Undercarriage	56,240 lb
Buckets
Reference Bucket Capacity	1.5 yd3
Minimum Bucket Capacity	1.4 yd3
Hydraulic System
Pilot System - Maximum Flow	11 gpm
Pilot System - Maximum Pressure	595 psi
Maximum Pressure - Travel	4,980 psi
Maximum Pressure - Swing	3,988 psi
Boom Cylinder - Bore	5.6 in
Boom Cylinder - Stroke	55 in
Main Implement System - Maximum Flow (2x)	56.5 gpm
Maximum Pressure - Equipment	4,980 psi
C Family Bucket Cylinder - Bore	5.2 in
C Family Bucket Cylinder - Stroke	46 in
D Family Bucket Cylinder - Bore	6 in
D Family Bucket Cylinder - Stroke	46 in
Service Refill Capacities
Cooling System	8.3 gal
Final Drive - Each	2.1 gal
Hydraulic System - Including Tank	82 gal
Swing Drive	2.6 gal
Engine Oil	5.3 gal
Track
Standard With Standard Undercarriage	24 in
Optional (1)	24 in
Optional (2)	28 in
Optional (3)	32 in
Standard With Long Undercarriage - Triple Grouser	32 in
Drive
Maximum Drawbar Pull	48,109 lb
Additional specifications
Shipping Length Of Unit	33.76 ft
Shipping Height Of Unit	10.73 ft
Max Cutting Height	32.68 ft
Max Loading Height	23.33 ft
Max Reach Along Ground	34.52 ft
Max Digging Depth	23.27 ft
Ground Clearance	1.68 ft
Drawbar Pull	48,334 lb
Max Travel Speed	3.11 mph
Operating Weight	57,100 lb
Maximum Bucket Capacity	2.5 yd3
Fuel Tank Capacity	111 gal
Maximum Travel Speed	3.1 mph

Source

Compare Cat 322B, 322B L, 325B

Boom/Stick Option (Hex) 1
Specification	322B	322B L	325B
Shipping Length Of Unit	32.68 ft	32.68 ft	33.76 ft
Shipping Height Of Unit	10.24 ft	10.24 ft	10.73 ft
Max Cutting Height	31.76 ft	31.76 ft	32.68 ft
Max Loading Height	22.09 ft	22.09 ft	23.33 ft
Max Reach Along Ground	32.85 ft	32.85 ft	34.52 ft
Max Vertical Wall Digging Depth	18.71 ft	18.71 ft	20.94 ft
Max Digging Depth	22.02 ft	22.02 ft	23.27 ft

Dimensions and weight
Specification	322B	322B L	325B
Ground Clearance	1.55 ft	1.55 ft	1.68 ft
Height To Top Of Cab	9.78 ft	9.78 ft	10.14 ft
Width To Outside Of Tracks	9.81 ft	10.47 ft	9.81 ft
Length Of Track On Ground	11.32 ft	12.57 ft	11.46 ft
Tail Swing Radius	9.52 ft	9.52 ft	10.01 ft
Removal Counterweight Clearance	3.58 ft	3.58 ft	3.75 ft

Undercarriage
Specification	322B	322B L	325B
Track Gauge	7.85 ft	8.5 ft	7.85 ft
Shoe Size	23.63 in	31.5 in	23.63 in
Drawbar Pull	43,613 lb	43,613 lb	48,334 lb
Max Travel Speed	3.42 mph	3.42 mph	3.11 mph

Engine
Specification	322B	322B L	325B
Number Of Cylinders	6	6	6
Engine Model	3116TA	3116TA	3116TA
Net Power	153 hp	153 hp	168 hp
Gross Power	161 hp	161 hp	177 hp
Power Measured @	1,950 rpm	1,950 rpm	2,000 rpm
Displacement	403 cu in	403 cu in	403 cu in
Aspiration	Turbocharged and Aftercooled	Turbocharged and Aftercooled	Turbocharged and Aftercooled

Operational
Specification	322B	322B L	325B
Operating Weight	50,177 lb	50,177 lb	57,100 lb
Fuel Capacity	89.9 gal	89.9 gal	111 gal
Cooling System Fluid Capacity	8.4 gal	8.4 gal	8.4 gal
Hydraulic System Fluid Capacity	70.1 gal	70.1 gal	81.9 gal
Engine Oil Capacity	5.7 gal	5.7 gal	5.3 gal
Operating Voltage	24 V	24 V	24 V
Swing Drive Fluid Capacity	2.2 gal	2.2 gal	2.7 gal
Alternator Supplied Amperage	55 amps	55 amps	52 amps
Hydraulic System Relief Valve Pressure	4,980 psi	4,980 psi	4,975 psi
Hydraulic Pump Flow Capacity	108.4 gpm	108.4 gpm	109.9 gpm

Swing Mechanism
Specification	322B	322B L	325B
Swing Torque	51,850 lb-ft	51,850 lb-ft	56,055 lb-ft

Buckets
Specification	322B	322B L	325B
Reference Bucket Capacity	1.4 yd3	1.4 yd3	1.5 yd3
Minimum Bucket Capacity	1.3 yd3	1.3 yd3	1.4 yd3
Maximum Bucket Capacity	2 yd3	2 yd3	2.5 yd3

More in Cat: 229D/231D/231D LC, 320E L versus LRR: clearance/fronts/controls, M316D/M318D/M322D.

Cat 322B, 322B L, and 325B specifications

322B, 322B L, and 325B: owner reports

Sources for this page

Cat 322B, 322B L, and 325B: Configuration records