John Deere 120 Excavator Specs

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

The John Deere 120 Excavator is a powerful and versatile machine designed for various digging and loading tasks. With a maximum digging depth of 19.5 ft and a bucket capacity of 1.1 cu yd, this excavator is equipped for efficient and productive operations. Its turbocharged engine delivers 90hp of net power, while its hydraulic system has a flow capacity of 26.7 gpm to handle heavy-duty tasks with ease. The compact design and durable undercarriage make the John Deere 120 Excavator a reliable and efficient choice for construction and excavation projects.

Blade Range

John Deere 120 Excavator Blade Range specifications
Blade Tip Range Backward	5
Blade Tip Range Forward	40
Circle Center Shift Left	26.00 in (66.04 cm)
Circle Center Shift Right	26.00 in (66.04 cm)
Maximum Depth Of Cut	30.50 in (77.47 cm)
Maximum Lift Above Ground	16.10 in (40.89 cm)
Maximum Shoulder Reach Left	69.40 in (176.28 cm)
Maximum Shoulder Reach Right	76.00 in (193.04 cm)
Moldboard Side Shift Left	20.10 in (51.05 cm)
Moldboard Side Shift Right	26.10 in (66.29 cm)

Boom/Stick 1

John Deere 120 Excavator Boom/Stick 1 specifications
Boom/Stick 1	Arm Length 8ft.3in. ( 2.52m
Max Cutting Height	27.67 ft (8.43 m)
Max Digging Depth	17.83 ft (5.43 m)
Max Loading Height	20.58 ft (6.27 m)
Max Reach Along Ground	26.33 ft (8.03 m)
Max Vertical Wall Digging Depth	16.00 ft (4.88 m)
Shipping Height Of Unit	8.80 ft (2.68 m)
Shipping Length Of Unit	24.87 ft (7.58 m)

Boom/Stick 2

John Deere 120 Excavator Boom/Stick 2 specifications
Boom/Stick 2	Arm Length 9ft. 11in. (3.01m )
Max Cutting Height	28.75 ft (8.76 m)
Max Digging Depth	19.50 ft (5.94 m)
Max Loading Height	21.67 ft (6.61 m)
Max Reach Along Ground	27.08 ft (8.25 m)
Max Vertical Wall Digging Depth	17.58 ft (5.36 m)
Shipping Height Of Unit	8.76 ft (2.67 m)
Shipping Length Of Unit	24.91 ft (7.59 m)

Buckets

John Deere 120 Excavator Buckets specifications
Reference Bucket Capacity	1.1 cu yd

Dimensions

John Deere 120 Excavator Dimensions specifications
Ground Clearance	1.30 ft (0.40 m)
Height	9.42 ft (2.87 m)
Height To Top Of Cab	8.93 ft (2.72 m)
Length	25.83 ft (7.87 m)
Length Of Machine*	387.00 in (982.98 cm)
Length Of Track On Ground	9.45 ft (2.88 m)
Maximum Height	151.00 in (383.54 cm)
Note	*Typically equipped with push block and ripper.
Removal Counterweight Clearance	2.92 ft (0.89 m)
Tail Swing Radius	6.89 ft (2.10 m)
Weight	30,500.00 lbs (13,834.58 kg)
Width	102.00 in (259.08 cm)
Width All Wheel Drive (Awd)	2,551.00 mm (100.43 in)
Width To Outside Of Tracks	8.50 ft (2.59 m)

Engine

John Deere 120 Excavator Engine specifications
All-Wheel Drive Net Power Range (Tier 3)	130.00 hp (96.94 kw)
All-Wheel Drive Net Power Range (Tier 4)	NaN kW
Aspiration	Turbocharged
Bore	4.10 in (10.41 cm)
Derating Altitude	9,842.50 ft (2,999.99 m)
Derating Altitude (Awd)	5,499.00 ft (1,676.10 m)
Displacement	427.80 cu in (7,010.40 cu cm)
Emissions	U.S. EPA Tier 4 Final/EU Stage IV - U.S. EPA Tier 3/EU Stage IIIA
Engine Make	2240
Engine Model	4045T
Max Torque	260.00 lbs ft (352.51 nm)
Maximum Torque - Awd On	611.00 lbs ft (828.39 nm)
Maximum Torque - Iso 9249	606.00 lbs ft (821.61 nm)
Net Power	90.00 hp (67.11 kw)
Note (1)	Net power is tested per ISO 9249, SAE J1349, and EEC 80/1269 Standards in effect at the time of manufacture.
Note (2)	Net power advertised is the power available at rated speed of 2,000 rpm, measured at the flywheel when engine is equipped with fan, air cleaner, muffler and alternator.
Note (3)	Power as declared per ISO 14396
Number Of Cylinders	6
Power Measured @	2200 rpm
Standard Capability	122 degrees
Stroke	5.30 in (13.46 cm)
Torque Measured @	1400 rpm
Torque Rise - Iso 9294	42%

Machine Weight

John Deere 120 Excavator Machine Weight specifications
Joystick All-Wheel Drive (Awd) Weight* Tier 3	36.40 lbs (16.51 kg)
Joystick All-Wheel Drive (Awd) Weight* Tier 4	36.90 lbs (16.74 kg)
Joystick Weight* Tier 3	34.90 lbs (15.83 kg)
Joystick Weight* Tier 4	35.40 lbs (16.06 kg)
Lever/Steering Wheel All-Wheel Drive (Awd) Weight* Tier 3	36.30 lbs (16.47 kg)
Lever/Steering Wheel All-Wheel Drive (Awd) Weight* Tier 4	36.80 lbs (16.69 kg)
Lever/Steering Wheel Weight* Tier 3	34.70 lbs (15.74 kg)
Lever/Steering Wheel Weight* Tier 4	35.10 lbs (15.92 kg)
Note (1)	*Typically equipped includes 4267 mm (14 ft) plus blade, tires, push plate, ripper, bottom guard, operator, and full fluids.

Moldboard

John Deere 120 Excavator Moldboard specifications
Arc Radius	16.30 in (41.40 cm)
Blade Height	24.00 in (60.96 cm)
Blade Width	12.00 ft (3.66 m)
Cutting Edge	6.00 in (15.24 cm)
End Bit	6.00 in (15.24 cm)
Throat Clearance	4.10 in (10.41 cm)

Operational

John Deere 120 Excavator Operational specifications
Alternator Supplied Amperage	45 amps
Cooling System Fluid Capacity	5.90 gal (22.33 l)
Engine Oil Capacity	3.50 gal (13.25 l)
Fuel Capacity	66.00 gal (249.81 l)
Hydraulic Pump Flow Capacity	26.70 gpm (101.06 lpm)
Hydraulic System Fluid Capacity	35.00 gal (132.48 l)
Hydraulic System Relief Valve Pressure	4980 psi
Operating Voltage	24 V
Operating Weight	26,790.00 lbs (12,151.75 kg)
Swing Drive Fluid Capacity	0.80 gal (3.03 l)

Service Refill Capacities

John Deere 120 Excavator Service Refill Capacities specifications
Circle Drive	1.80 gal (6.81 l)
Cooling System	14.00 gal (52.99 l)
Diesel Exhaust Fluid Tank (Tier 4 Only)	5.00 gal (18.93 l)
Engine Crankcase	4.80 gal (18.17 l)
Fuel Tank	65.00 gal (246.03 l)
Hydraulic System	25.60 gal (96.90 l)
Transmission And Differential	9.00 gal (34.07 l)

Swing Mechanism

John Deere 120 Excavator Swing Mechanism specifications
Swing Speed	12.7 rpm
Swing Torque	22,415.00 lbs ft (30,390.26 nm)

Undercarriage

John Deere 120 Excavator Undercarriage specifications
Drawbar Pull	22,050.00 lbs (10,001.72 kg)
Ground Pressure	4.55 psi
Max Travel Speed	3.40 mph (5.47 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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