John Deere 8120T

The John Deere 8120T is a tractor produced by John Deere. It is equipped with a 496 ci 8.1 L engine. The listed engine power is Diesel (net): 200 hp / 149.1 kW; Diesel (gross): 208 hp / 155.1 kW. Transmission: John Deere PowerShift. Drive type: crawler. Operating weight: 25,950 lbs 11770 kg.

Engine Power
Diesel (net): 200 hp / 149.1 kW; Diesel (gross): 208 hp / 155.1 kW
Drive & Traction
crawler
Fuel & Capacities
130 gal 492.1 L
Transmission
John Deere PowerShift
Operating Weight
25,950 lbs 11770 kg

Overview

John Deere 8120T tractor photo
2002 - 2005 8020 SeriesAgricultural Crawler tractor 8020 Series Agricultural Crawler tractor
Production
Manufacturer
John Deere
Agricultural Crawler tractor
Built in Waterloo, Iowa, USA
Variants
8120
wheeled tractor
8120T
crawler
John Deere 8120T Engine
John Deere 8.1L 6-cyl diesel
Engine details ...
John Deere 8120T Transmission
16-speed full power shift
Transmission details ...
John Deere 8120T Power
Engine (gross)
208 hp 155.1 kW
Engine (net)
200 hp 149.1 kW
Engine (max)
230 hp 171.5 kW
PTO (claimed)
170 hp 126.8 kW
Mechanical
Drive
crawler
Steering
electro-hydraulic power
Hydraulic wet disc brakes
Cab standard.
Capacity
Fuel
130 gal 492.1 L
Hydraulic system
65 gal 246.0 L
Hydraulics
Type
closed center pressure flow compensated (PFC)
Capacity
65 gal 246.0 L
Pressure
2900 psi 200.0 bar
Valves
5
Pump flow
30 gpm 113.6 lpm
Total flow
33.5 gpm 126.8 lpm
42.5 gpm (optional) 160.9 lpm
Tractor hitch
Rear Type
III/IIIN
Rear lift
15,180 lbs 6885 kg
Power Take-off (PTO)
Rear PTO
independent
Rear PTO Type
1000 (1-3/4)
Dimensions & Tracks
Wheelbase
89 inches 226 cm
120 inches (wide track option) 304 cm
Weight
25,950 lbs 11770 kg
24-inch tracks
Full dimensions and tracks ...
Electrical
Ground
negative
Charging system
alternator
Charging amps
150
Batteries
2
Battery CCA
925
Battery volts
12

Engine

Engine Detail — 496 ci / 8.1 L Diesel

Manufacturer
John Deere
Configuration
turbocharged diesel, 6-cylinder, liquid-cooled inline
Displacement
496 ci 8.1 L
Bore/Stroke
4.56x5.06 inches 116 x 129 mm
Rated Power (net)
200 hp 149.1 kW
Rated Power (gross)
208 hp 155.1 kW
Maximum Power (net)
220 hp 164.1 kW
Maximum Power (gross)
230 hp 171.5 kW
Compression
16.5:1
Rated RPM
2200
Idle RPM
900-2300
Operating RPM
1500-2200
Starter volts
12
Coolant capacity
35.9 qts 34.0 L
Oil capacity
22.7 qts 21.5 L
Oil change
250 h

Transmission

Transmission — John Deere PowerShift

Transmission
John Deere PowerShift
Type
full power shift
Gears
16 forward and 4 reverse
Oil capacity
260 qts 246.1 L
8120T PowerShift full power shift speeds

Dimensions

John Deere 8120T Tracks
Width
24 inches 60 cm
Length on ground
89 inches 226 cm
Area on ground
4272 in² 2.8 m²
Width
16 inches 40 cm
Length on ground
89 inches 226 cm
Area on ground
2848 in² 1.8 m²
Width
18 inches 45 cm
Length on ground
89 inches 226 cm
Area on ground
3204 in² 2.1 m²
Width
30 inches 76 cm
Length on ground
89 inches 226 cm
Area on ground
5340 in² 3.4 m²
Dimensions
Wheelbase
89 inches 226 cm
120 inches (wide track option) 304 cm
Length
207 inches 525 cm
219.6 inches (with front weights) 557 cm
Width
103.7 inches (min) 263 cm
150 inches (max) 381 cm
Height (cab)
122.9 inches 312 cm
Shipping weight
25,950 lbs 11770 kg
Max weight
31,500 lbs 14288 kg
Clearance (rear axle)
21.7 inches 55 cm
Clearance (drawbar)
17.7 inches 44 cm

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 8120T.

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

John Deere 8120T Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 8120T.

Converted Equivalents:

Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS

Direct Competitor Comparison

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John Deere 8120T

Engine Power:Diesel (net): 200 hp / 149.1 kW; Diesel (gross): 208 hp / 155.1 kW
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