John Deere Construction & Forestry · Hydraulic Excavator

John Deere 120 Specs

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Overview

The John Deere Construction & Forestry John Deere 120 is a hydraulic excavator listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 89 hp, operating weight of 28840 lb, working depth of 17.83 ft, reach of 26.33 ft, capacity of 1.1 yd³ and travel speed of 3.4 mph. This model can be reviewed for excavation, trenching, loading, site preparation, and fleet comparison workflows. Use the full specifications table to compare the John Deere Construction & Forestry John Deere 120 against similar hydraulic excavator models by power, weight, capacity, dimensions, speed, and other technical values.

Key Specifications

Operating Weight
26,790
lb

Net Power
89
hp

Max Digging Depth
17.83
ft

Reference Bucket Capacity
1.10
yd3

Full Specifications

93 specs

Dimensions

Blade Width 12 ft / 3.66 m

Boom/Stick Option (Hex) 1 Arm Length 8ft.3in. ( 2.52m

Ground Clearance 1.30 ft / 0.40 m

Height to Top of Cab 8.93 ft / 2.72 m

Length Of Machine* 387 in / 9,830 mm

Length of Track on Ground 9.45 ft / 2.88 m

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 ft / 4.88 m

Removal Counterweight Clearance 3 lb / 1 kg

Shipping Height Of Unit 8.80 ft / 2.68 m

Shipping Length Of Unit 24.87 ft / 7.58 m

Tail Swing Radius 6.89 ft / 2.10 m

Width All Wheel Drive (Awd) 2,551 mm / 100.43 in

Width To Outside Of Tracks 8.50 ft / 2.59 m

Engine

All-Wheel Drive Net Power Range (Tier 3) 130 hp / 96.9 kW

Alternator Supplied Amperage 45 A

Blade Height 24 ft / 7.32 m

Bore 4.10 in / 104 mm

Cat 7.1 Note (1)

Cooling System Fluid Capacity 5.90 gal / 22.3 L

Cutting Edge 6 in / 152 mm

Derating Altitude 9,842.50

Derating Altitude (Awd) 5,499

Displacement 428 cu in / 7.0 L

Emissions U.S. EPA Tier 4 Final/EU Stage IV - U.S. EPA Tier 3/EU Stage IIIA

End Bit 6

Engine Make 2240

Engine Model 4045T

Engine Oil Capacity 3.50 gal / 13.2 L

Fuel Capacity 66 gal / 249.8 L

Fuel Tank 65 gal / 246.1 L

Hydraulic Pump Flow Capacity 26.70 gal/min / 101.1 L/min

Hydraulic System Fluid Capacity 35 gal / 132.5 L

Hydraulic System Relief Valve Pressure 4,980 psi / 343.4 bar

Max Torque 260 lb-ft / 353 Nm

Maximum Lift Above Ground 16.10 in / 409 mm

Maximum Torque - Awd On 611 lb-ft / 828 Nm

Maximum Torque - Iso 9249 606 lb-ft / 822 Nm

NaN kW 3

Net Power 90 hp / 67.1 kW

Note (1) 9,249

Note (3) 14,396

Number of Cylinders 6

Operating Voltage 24 V

Operating Weight 26,790 lb / 12,152 kg

Power Measured @ 2,200 rpm

Reference Bucket Capacity 1.10 yd³ / 0.84 m³

Standard Capability 122

Standards in effect at the time of manufacture. 2

Stroke 5.30 in / 135 mm

Swing Drive Fluid Capacity 0.80 gal / 3.0 L

Swing Speed 12.70 deg

Swing Torque 22,415 deg

Torque Measured @ 1,400 rpm

Torque Rise - Iso 9294 42 lb-ft / 57 Nm

Width 102 in / 2,591 mm

Hydraulics

Arc Radius 16.30 ft / 4.97 m

Blade Tip Range Backward 5 in / 127 mm

Blade Tip Range Forward 40 in / 1,016 mm

Circle Center Shift Left 26

Circle Center Shift Right 26

Circle Drive 1.80

Diesel Exhaust Fluid Tank (Tier 4 Only) 5 gal / 18.9 L

Joystick All-Wheel Drive (Awd) Weight* Tier 3 36 lb / 17 kg

Joystick All-Wheel Drive (Awd) Weight* Tier 4 37 lb / 17 kg

Joystick Weight* Tier 3 35 lb / 16 kg

Joystick Weight* Tier 4 35 lb / 16 kg

Lever/Steering Wheel All-Wheel Drive (Awd) Weight* Tier 3 36 lb / 16 kg

Lever/Steering Wheel All-Wheel Drive (Awd) Weight* Tier 4 37 lb / 17 kg

Lever/Steering Wheel Weight* Tier 3 35 lb / 16 kg

Lever/Steering Wheel Weight* Tier 4 35 lb / 16 kg

Maximum Height 151 in / 3,835 mm

Maximum Shoulder Reach Left 69.40 ft / 21.15 m

Maximum Shoulder Reach Right 76 ft / 23.16 m

Moldboard Side Shift Left 20.10

Moldboard Side Shift Right 26.10

Net Power 89 hp / 66.4 kW

Throat Clearance 4.10 ft / 1.25 m

Transmission And Differential 9

Other

Maximum Depth Of Cut 30.50 ft / 9.30 m

Cooling System 14 gal / 53.0 L

Engine Crankcase 4.80 gal / 18.2 L

Undercarriage

Drawbar Pull 22,050 lb / 10,002 kg

Ground Pressure 5 psi / 0.3 bar

Max Travel Speed 3.40 mph / 5.5 km/h

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 / 600 mm

Track Gauge 6.53 ft / 1.99 m

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Frequently Asked Questions

What is the operating weight of the John Deere Construction & Forestry John Deere 120? +

The John Deere Construction & Forestry John Deere 120 has an operating weight of 26,790 lb (12,152 kg). This places it in a class suited for hydraulic excavator applications where ground pressure and transport weight are key considerations.

How powerful is the John Deere Construction & Forestry John Deere 120 engine? +

The John Deere Construction & Forestry John Deere 120 produces 90 hp (67.1 kW) of engine power. This output is typical for its weight class and designed to handle demanding Hydraulic Excavator work cycles efficiently.

What is the maximum digging depth of the John Deere Construction & Forestry John Deere 120? +

The John Deere Construction & Forestry John Deere 120 has a maximum digging depth of 17.83 ft (5.43 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.

What is the maximum reach of the John Deere Construction & Forestry John Deere 120? +

The John Deere Construction & Forestry John Deere 120 has a maximum reach along the ground of 26.33 ft (8.03 m), allowing it to work effectively across wide areas without repositioning.

What is the travel speed of the John Deere Construction & Forestry John Deere 120? +

The John Deere Construction & Forestry John Deere 120 has a maximum travel speed of 3.4 mph (5.5 km/h), enabling efficient movement between work areas on the job site.

How does the John Deere Construction & Forestry John Deere 120 compare to similar Hydraulic Excavator models? +

You can compare the John Deere Construction & Forestry John Deere 120 side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.