John Deere 120C excavator is a mid-size hydraulic crawler excavator used for general construction, utility work, site preparation, trenching, and material handling. It is part of John Deere's 120-series and is commonly configured with a boom, arm, bucket, and enclosed operator cab. The 120C is designed for digging, lifting, grading, and loading applications on commercial and municipal job sites. Typical features include hydraulic controls, tracked undercarriage, and attachment compatibility for a range of earthmoving tasks. The model is recognized for its balance of digging depth, reach, and maneuverability in confined work areas.
Boom/Stick 1
John Deere 120C Excavator Boom/Stick 1 specifications
Boom/Stick 1
8\'3\" (2520mm) stick
Max Cutting Height
27.71 ft (8.45 m)
Max Digging Depth
17.87 ft (5.45 m)
Max Loading Height
20.63 ft (6.29 m)
Max Reach Along Ground
26.30 ft (8.02 m)
Max Vertical Wall Digging Depth
16.06 ft (4.90 m)
Shipping Height Of Unit
8.99 ft (2.74 m)
Shipping Length Of Unit
24.97 ft (7.61 m)
Boom/Stick 2
John Deere 120C Excavator Boom/Stick 2 specifications
Boom/Stick 2
9\'11\" (3010mm) stick
Max Cutting Height
28.79 ft (8.78 m)
Max Digging Depth
19.48 ft (5.94 m)
Max Loading Height
21.71 ft (6.62 m)
Max Reach Along Ground
27.88 ft (8.50 m)
Max Vertical Wall Digging Depth
17.64 ft (5.38 m)
Shipping Height Of Unit
8.99 ft (2.74 m)
Shipping Length Of Unit
25.00 ft (7.62 m)
Buckets
John Deere 120C Excavator Buckets specifications
Maximum Bucket Capacity
1.4 cu yd
Minimum Bucket Capacity
0.5 cu yd
Reference Bucket Capacity
1.1 cu yd
Dimensions
John Deere 120C Excavator Dimensions specifications
Ground Clearance
1.45 ft (0.44 m)
Height
9.42 ft (2.87 m)
Height To Top Of Cab
8.99 ft (2.74 m)
Length
25.83 ft (7.87 m)
Length Of Track On Ground
9.45 ft (2.88 m)
Removal Counterweight Clearance
2.92 ft (0.89 m)
Tail Swing Radius
6.99 ft (2.13 m)
Weight
30,500.00 lbs (13,834.58 kg)
Width
8.92 ft (2.72 m)
Width To Outside Of Tracks
8.50 ft (2.59 m)
Engine
John Deere 120C Excavator Engine specifications
Aspiration
Turbocharged air-to-air charge air cooler
Displacement
276.00 cu in (4,522.84 cu cm)
Engine Make
2240
Engine Model
4045H
Max Torque
275.00 lbs ft (372.85 nm)
Net Power
89.00 hp (66.37 kw)
Number Of Cylinders
4
Power Measured @
2200 rpm
Torque Measured @
1400 rpm
Operational
John Deere 120C Excavator Operational specifications
Alternator Supplied Amperage
45 amps
Cooling System Fluid Capacity
7.10 gal (26.87 l)
Engine Oil Capacity
3.70 gal (14.00 l)
Fuel Capacity
66.10 gal (250.19 l)
Hydraulic Pump Flow Capacity
55.50 gpm (210.07 lpm)
Hydraulic System Fluid Capacity
35.40 gal (133.99 l)
Hydraulic System Relief Valve Pressure
4980 psi
Operating Voltage
24 V
Operating Weight
28,840.00 lbs (13,081.62 kg)
Swing Drive Fluid Capacity
0.80 gal (3.03 l)
Swing Mechanism
John Deere 120C Excavator Swing Mechanism specifications
Swing Speed
13.7 rpm
Swing Torque
24,387.00 lbs ft (33,063.90 nm)
Undercarriage
John Deere 120C Excavator Undercarriage specifications
Drawbar Pull
22,930.00 lbs (10,400.89 kg)
Ground Pressure
4.89 psi
Max Travel Speed
3.42 mph (5.50 kph)
Number Of Carrier Rollers Per Side
1
Number Of Shoes Per Side
44
Number Of Track Rollers Per Side
7
Shoe Size
23.63 in (60.02 cm)
Track Gauge
6.53 ft (1.99 m)
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