Machine models

John Deere 120D, 135C RTS, and 135D specifications

Entries in this reference
Listing-entry count
3

Short answer

John Deere 120D, 135C RTS, and 135D: full-size excavators.

Selected configuration figures
Configuration	Documented field and quantity
120D	Net Power 93 hp Operating Weight 30,481 lb
135C RTS	Net Power 88 hp Operating Weight 30,442 lb
135D	Net Power 93 hp Operating Weight 30,737 lb

120D, 135C RTS, and 135D specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
John Deere	120D, 135C RTS, and 135D	3	120D, 135C RTS, and 135D

Boom/Stick Option (Hex) 1
Specification	120D	135C RTS	135D
Shipping Length Of Unit	25.14 ft	23.92 ft	24.18 ft
Shipping Height Of Unit	8.99 ft	9.33 ft	9.13 ft
Max Cutting Height	28.12 ft	30.25 ft	30.32 ft
Max Loading Height	20.21 ft	22.18 ft	22.25 ft
Max Reach Along Ground	26.91 ft	26.78 ft	27.07 ft
Max Vertical Wall Digging Depth	16.47 ft	16.31 ft	16.44 ft
Max Digging Depth	18.28 ft	18.15 ft	18.15 ft
Boom/Stick Option (Hex) 1	8\'3\" (2520mm) stick	8\'3\" (2520mm) stick	8\'3\" (2520mm) stick

Dimensions and weight
Specification	120D	135C RTS	135D
Ground Clearance	1.45 ft	1.45 ft	1.42 ft
Height To Top Of Cab	8.99 ft	8.99 ft	8.99 ft
Width To Outside Of Tracks	8.5 ft	8.83 ft	8.5 ft
Length Of Track On Ground	9.45 ft	9.45 ft	9.45 ft
Tail Swing Radius	6.99 ft	4.81 ft	4.86 ft
Removal Counterweight Clearance	2.92 ft	2.92 ft	2.86 ft

Undercarriage
Specification	120D	135C RTS	135D
Track Gauge	6.5 ft	6.53 ft	6.53 ft
Shoe Size	23.63 in	27.56 in	23.63 in
Number Of Shoes Per Side	44	44	44
Drawbar Pull	24,729 lb	26,300 lb	26,303 lb
Number Of Track Rollers Per Side	7	7	7
Number Of Carrier Rollers Per Side	1	1	1
Max Travel Speed	3.42 mph	3.11 mph	3.42 mph
Ground Pressure	5.36 psi	5.09 psi	5.8 psi

Engine
Specification	120D	135C RTS	135D
Number Of Cylinders	4	4	4
Engine Model	4045H, tier III certified	CC-4BG1TC	4JJ1X, Tier III certified
Net Power	93 hp	88 hp	93 hp
Power Measured @	2,000 rpm	2,150 rpm	2,000 rpm
Aspiration	Turbocharged air-to-air charge air cooler	Turbocharged and air-to-air charge air cooler	Turbocharged air-to-air charge air cooler
Displacement	276 cu in	264.2 cu in	183 cu in

Specification	135C RTS
Max Torque	253 lb-ft
Torque Measured @	1,600 rpm

Operational
Specification	120D	135C RTS	135D
Operating Weight	30,481 lb	30,442 lb	30,737 lb
Fuel Capacity	66.1 gal	53.1 gal	58.2 gal
Cooling System Fluid Capacity	5.3 gal	3.8 gal	4.3 gal
Operating Voltage	24 V	24 V	24 V
Engine Oil Capacity	3.7 gal	3.5 gal	4.5 gal
Alternator Supplied Amperage	80 amps	50 amps	50 amps
Hydraulic System Relief Valve Pressure	4,980 psi	4,980 psi	4,980 psi
Hydraulic Pump Flow Capacity	55.5 gpm	55.5 gpm	55.5 gpm

Specification	120D	135C RTS
Hydraulic System Fluid Capacity	35.1 gal	31.8 gal

Specification	135C RTS	135D
Swing Drive Fluid Capacity	0.7 gal	0.9 gal

Swing Mechanism
Specification	120D	135C RTS	135D
Swing Torque	25,077 lb-ft	24,387 lb-ft	25,077 lb-ft
Swing Speed	13.3 rpm	13.7 rpm	13.7 rpm

Buckets
Specification	120D	135C RTS	135D
Reference Bucket Capacity	0.8 yd3	0.9 yd3	0.7 yd3
Minimum Bucket Capacity	0.5 yd3	0.5 yd3	0.5 yd3
Maximum Bucket Capacity	1.1 yd3	1.6 yd3	1.1 yd3

Variants — Source comparison annotation
Source guide	Differing-field count reported
120D, 135C RTS, and 135D	34

Ratios
Figure	120D	135C RTS	135D
Engine horsepower per 1,000 lb of weight	3.1	2.9	3.0
Fuel tank per engine horsepower	0.71 gal	0.60 gal	0.63 gal
Hydraulic power from the listed pump flow and relief pressure	161.3 hp	161.3 hp	161.3 hp

120D, 135C RTS, and 135D: owner reports

Related account: “Hard starting, thumb plumbing and a bushing and pin rebuild”: 120.

120D, 135C RTS, and 135D: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	full-size excavator	John Deere and the 120D, 135C RTS, 135D	19

Topics named by those titles
Title topic	Titles
hydraulics	2
fuel system	2

Topic in the title	Threads	Share of matching threads
hydraulics	2	11%
fuel system	2	11%

2006 John Deere 135c Rts Excavator Swing Gear Box Drain (Heavy Equipment Forums, 2026-03-24)
Deere 135c Rts Pilot Control Safety Lever (Heavy Equipment Forums, 2025-07-27)
JD 120d Hydraulic Filter Alarm (Heavy Equipment Forums, 2025-07-05)
Deere 135d Low Oil Pressure Warning (Heavy Equipment Forums, 2024-10-15)

Used market for the 120D, 135C RTS, and 135D — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	John Deere full-size excavator	20

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
120D	8	2008 to 2012	$18,364	$89,900	$44,250	6,584
135C RTS	5	2004 to 2007	$27,000	$69,900	$55,000	None shown
135D	7	2010 to 2013	$25,880	$62,041	$48,235	None shown

120D, 135C RTS, and 135D: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	John Deere together with the full-size excavator 120D, 135C RTS, 135D	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: John Deere 120D — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: John Deere 135C RTS — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: John Deere 135D — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for John Deere 120D, 135C RTS, and 135D — Heavy Equipment Forums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for John Deere 120D — MachineryTrader. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for John Deere — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

John Deere 120D, 135C RTS, and 135D: Configuration records

120D

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	25.14 ft
Shipping Height Of Unit	8.99 ft
Max Cutting Height	28.12 ft
Max Loading Height	20.21 ft
Max Reach Along Ground	26.91 ft
Max Vertical Wall Digging Depth	16.47 ft
Max Digging Depth	18.28 ft
Boom/Stick Option (Hex) 1	8'3" (2520mm) stick
Dimensions and weight
Width To Outside Of Tracks	8.5 ft
Length Of Track On Ground	9.45 ft
Ground Clearance	1.45 ft
Height To Top Of Cab	8.99 ft
Tail Swing Radius	6.99 ft
Removal Counterweight Clearance	2.92 ft
Undercarriage
Shoe Size	23.63 in
Track Gauge	6.5 ft
Drawbar Pull	24,729 lb
Number Of Carrier Rollers Per Side	1
Number Of Shoes Per Side	44
Number Of Track Rollers Per Side	7
Ground Pressure	5.36 psi
Max Travel Speed	3.42 mph
Engine
Number Of Cylinders	4
Engine Model	4045H, tier III certified
Net Power	93 hp
Power Measured @	2,000 rpm
Displacement	276 cu in
Aspiration	Turbocharged air-to-air charge air cooler
Operational
Operating Weight	30,481 lb
Fuel Capacity	66.1 gal
Cooling System Fluid Capacity	5.3 gal
Operating Voltage	24 V
Hydraulic System Fluid Capacity	35.1 gal
Engine Oil Capacity	3.7 gal
Alternator Supplied Amperage	80 amps
Hydraulic System Relief Valve Pressure	4,980 psi
Hydraulic Pump Flow Capacity	55.5 gpm
Swing Mechanism
Swing Torque	25,077 lb-ft
Swing Speed	13.3 rpm
Buckets
Reference Bucket Capacity	0.8 yd3
Minimum Bucket Capacity	0.5 yd3
Maximum Bucket Capacity	1.1 yd3

Source

135C RTS

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	23.92 ft
Shipping Height Of Unit	9.33 ft
Max Cutting Height	30.25 ft
Max Loading Height	22.18 ft
Max Reach Along Ground	26.78 ft
Max Vertical Wall Digging Depth	16.31 ft
Max Digging Depth	18.15 ft
Boom/Stick Option (Hex) 1	8'3" (2520mm) stick
Dimensions and weight
Width To Outside Of Tracks	8.83 ft
Length Of Track On Ground	9.45 ft
Ground Clearance	1.45 ft
Height To Top Of Cab	8.99 ft
Tail Swing Radius	4.81 ft
Removal Counterweight Clearance	2.92 ft
Undercarriage
Shoe Size	27.56 in
Track Gauge	6.53 ft
Drawbar Pull	26,300 lb
Number Of Carrier Rollers Per Side	1
Number Of Shoes Per Side	44
Number Of Track Rollers Per Side	7
Ground Pressure	5.09 psi
Max Travel Speed	3.11 mph
Engine
Number Of Cylinders	4
Engine Model	CC-4BG1TC
Net Power	88 hp
Power Measured @	2,150 rpm
Displacement	264.2 cu in
Max Torque	253 lb-ft
Torque Measured @	1,600 rpm
Aspiration	Turbocharged and air-to-air charge air cooler
Operational
Operating Weight	30,442 lb
Fuel Capacity	53.1 gal
Cooling System Fluid Capacity	3.8 gal
Operating Voltage	24 V
Hydraulic System Fluid Capacity	31.8 gal
Engine Oil Capacity	3.5 gal
Alternator Supplied Amperage	50 amps
Hydraulic System Relief Valve Pressure	4,980 psi
Hydraulic Pump Flow Capacity	55.5 gpm
Swing Drive Fluid Capacity	0.7 gal
Swing Mechanism
Swing Torque	24,387 lb-ft
Swing Speed	13.7 rpm
Buckets
Reference Bucket Capacity	0.9 yd3
Minimum Bucket Capacity	0.5 yd3
Maximum Bucket Capacity	1.6 yd3

Source

135D

Specification	Source figure
Boom/Stick Option (Hex) 1
Shipping Length Of Unit	24.18 ft
Shipping Height Of Unit	9.13 ft
Max Cutting Height	30.32 ft
Max Loading Height	22.25 ft
Max Reach Along Ground	27.07 ft
Max Vertical Wall Digging Depth	16.44 ft
Max Digging Depth	18.15 ft
Boom/Stick Option (Hex) 1	8'3" (2520mm) stick
Dimensions and weight
Width To Outside Of Tracks	8.5 ft
Length Of Track On Ground	9.45 ft
Ground Clearance	1.42 ft
Height To Top Of Cab	8.99 ft
Tail Swing Radius	4.86 ft
Removal Counterweight Clearance	2.86 ft
Undercarriage
Shoe Size	23.63 in
Track Gauge	6.53 ft
Drawbar Pull	26,303 lb
Number Of Carrier Rollers Per Side	1
Number Of Shoes Per Side	44
Number Of Track Rollers Per Side	7
Ground Pressure	5.8 psi
Max Travel Speed	3.42 mph
Engine
Number Of Cylinders	4
Engine Model	4JJ1X, Tier III certified
Net Power	93 hp
Power Measured @	2,000 rpm
Displacement	183 cu in
Aspiration	Turbocharged air-to-air charge air cooler
Operational
Operating Weight	30,737 lb
Fuel Capacity	58.2 gal
Cooling System Fluid Capacity	4.3 gal
Operating Voltage	24 V
Engine Oil Capacity	4.5 gal
Alternator Supplied Amperage	50 amps
Hydraulic System Relief Valve Pressure	4,980 psi
Hydraulic Pump Flow Capacity	55.5 gpm
Swing Drive Fluid Capacity	0.9 gal
Swing Mechanism
Swing Torque	25,077 lb-ft
Swing Speed	13.7 rpm
Buckets
Reference Bucket Capacity	0.7 yd3
Minimum Bucket Capacity	0.5 yd3
Maximum Bucket Capacity	1.1 yd3

Source

Compare John Deere 120D, 135C RTS, 135D

Boom/Stick Option (Hex) 1
Specification	120D	135C RTS	135D
Shipping Length Of Unit	25.14 ft	23.92 ft	24.18 ft
Shipping Height Of Unit	8.99 ft	9.33 ft	9.13 ft
Max Cutting Height	28.12 ft	30.25 ft	30.32 ft
Max Loading Height	20.21 ft	22.18 ft	22.25 ft
Max Reach Along Ground	26.91 ft	26.78 ft	27.07 ft
Max Vertical Wall Digging Depth	16.47 ft	16.31 ft	16.44 ft
Max Digging Depth	18.28 ft	18.15 ft	18.15 ft

Dimensions and weight
Specification	120D	135C RTS	135D
Ground Clearance	1.45 ft	1.45 ft	1.42 ft
Height To Top Of Cab	8.99 ft	8.99 ft	8.99 ft
Width To Outside Of Tracks	8.5 ft	8.83 ft	8.5 ft
Length Of Track On Ground	9.45 ft	9.45 ft	9.45 ft
Tail Swing Radius	6.99 ft	4.81 ft	4.86 ft
Removal Counterweight Clearance	2.92 ft	2.92 ft	2.86 ft

Undercarriage
Specification	120D	135C RTS	135D
Track Gauge	6.5 ft	6.53 ft	6.53 ft
Shoe Size	23.63 in	27.56 in	23.63 in
Number Of Shoes Per Side	44	44	44
Drawbar Pull	24,729 lb	26,300 lb	26,303 lb
Number Of Track Rollers Per Side	7	7	7
Number Of Carrier Rollers Per Side	1	1	1
Max Travel Speed	3.42 mph	3.11 mph	3.42 mph
Ground Pressure	5.36 psi	5.09 psi	5.8 psi

Engine
Specification	120D	135C RTS	135D
Number Of Cylinders	4	4	4
Engine Model	4045H, tier III certified	CC-4BG1TC	4JJ1X, Tier III certified
Net Power	93 hp	88 hp	93 hp
Power Measured @	2,000 rpm	2,150 rpm	2,000 rpm
Aspiration	Turbocharged air-to-air charge air cooler	Turbocharged and air-to-air charge air cooler	Turbocharged air-to-air charge air cooler
Displacement	276 cu in	264.2 cu in	183 cu in

Operational
Specification	120D	135C RTS	135D
Operating Weight	30,481 lb	30,442 lb	30,737 lb
Fuel Capacity	66.1 gal	53.1 gal	58.2 gal
Cooling System Fluid Capacity	5.3 gal	3.8 gal	4.3 gal
Operating Voltage	24 V	24 V	24 V
Engine Oil Capacity	3.7 gal	3.5 gal	4.5 gal
Alternator Supplied Amperage	80 amps	50 amps	50 amps
Hydraulic System Relief Valve Pressure	4,980 psi	4,980 psi	4,980 psi
Hydraulic Pump Flow Capacity	55.5 gpm	55.5 gpm	55.5 gpm

Swing Mechanism
Specification	120D	135C RTS	135D
Swing Torque	25,077 lb-ft	24,387 lb-ft	25,077 lb-ft
Swing Speed	13.3 rpm	13.7 rpm	13.7 rpm

Buckets
Specification	120D	135C RTS	135D
Reference Bucket Capacity	0.8 yd3	0.9 yd3	0.7 yd3
Minimum Bucket Capacity	0.5 yd3	0.5 yd3	0.5 yd3
Maximum Bucket Capacity	1.1 yd3	1.6 yd3	1.1 yd3

More in John Deere: 60G/75G/85G, 110–490E, Deere 120 excavator: arm/tracks/pump circuits.

John Deere 120D, 135C RTS, and 135D specifications

120D, 135C RTS, and 135D: owner reports

Sources for this page

John Deere 120D, 135C RTS, and 135D: Configuration records