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John Deere 120C Excavator

Category: Excavators ➔
Manufacturer: John Deere ➔
Model: 120C ➔

The John Deere 120C is a hydraulic excavator in John Deere's C-Series lineup, designed for general earthmoving, trenching, utility work, and site preparation. It is commonly used in construction, landscaping, and municipal applications where a mid-size excavator is required. The 120C features a conventional upper structure, tracked undercarriage, and hydraulic digging system for controlled material handling and excavation. Typical configurations include a boom, arm, bucket, operator cab, and auxiliary hydraulic capability for attachments. As a used or legacy model, the John Deere 120C remains a recognized excavator in the compact-to-mid-size class for versatile jobsite performance.

See all John Deere 120Cs for sale

Boom/Stick Excavator Option 1

Max Cutting Height	27.80 ft (8.47 m)
Max Digging Depth	17.90 ft (5.46 m)
Max Loading Height	20.70 ft (6.31 m)
Max Reach Along Ground	26.30 ft (8.02 m)
Max Vertical Wall Digging Depth	16.10 ft (4.91 m)
Shipping Height of Unit	9.00 ft (2.74 m)
Shipping Length of Unit	25.00 ft (7.62 m)

Boom/Stick Excavator Option 2

Max Cutting Height	28.80 ft (8.78 m)
Max Digging Depth	19.50 ft (5.94 m)
Max Loading Height	21.80 ft (6.64 m)
Max Reach Along Ground	27.90 ft (8.50 m)
Max Vertical Wall Digging Depth	17.70 ft (5.39 m)
Shipping Height of Unit	9.00 ft (2.74 m)
Shipping Length of Unit	25.00 ft (7.62 m)

Bucket

Maximum Bucket Capacity	1.40 cu yd (1.07 cu m)
Minimum Bucket Capacity	0.50 cu yd (0.38 cu m)
Reference Bucket Capacity	1.10 cu yd (0.84 cu m)

Dimensions

Digging Depth	17.00 ft (5.18 m)
Digging Reach	17.00 ft (5.18 m)
Ground Clearance	1.50 ft (0.46 m)
Height - Top of Cab	9.00 ft (2.74 m)
Length of Track on Ground	9.50 ft (2.90 m)
Removal Counterweight Clearance	3.00 ft (0.91 m)
Tail Swing Radius	7.00 ft (2.13 m)
Width to Outside of Tracks	8.50 ft (2.59 m)

Engine

Aspiration	Turbocharged air-to-air charge air cooler
Displacement	276.00 cu in (4,522.84 cu cm)
Engine Model	4045H
Max Torque	275.00 lbs ft (372.85 nm)
Net Power	89.00 hp (66.37 kw)
Power Measured @	2200 rpm
Torque Measured @	1400 rpm

Operating 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 volts
Operating Weight	28,840.00 lbs (13,081.62 kg)
Swing Drive Fluid Capacity	0.80 gal (3.03 l)

Swing Mechanism

Swing Speed

13.7 rpm

Undercarriage

Drawbar Pull	22,930.00 lbs (10,400.89 kg)
Ground Pressure	4.9 psi
Max Travel Speed	3.50 mph (5.63 kph)
Number of Carrier Rollers per Side	1
Number of Shoes per Side	44
Number of Track Rollers per Side	7
Shoe Size	23.70 in (60.20 cm)
Track Gauge	6.60 ft (2.01 m)

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