John Deere 6120R
The John Deere 6120R is a tractor produced by John Deere. It is equipped with a 276 ci 4.5 L engine. The listed engine power is Diesel (gross): 120 hp / 89.5 kW. Transmission: AutoPowr IVT. Operating weight: 21936 lbs 9950 kg.
Engine Power
Diesel (gross): 120 hp / 89.5 kW
Fuel & Capacities
51.5 gal
194.9 L
Transmission
AutoPowr IVT
Operating Weight
21936 lbs
9950 kg
Overview
 | 2015 - 2021
6R SeriesUtility tractor
6R Series
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | John Deere |
Utility tractor | |
Built in Mannheim, Baden-Württemberg, Germany | |
John Deere 6120R Engine | |
|---|---|
John Deere 4.5L 4-cyl diesel | |
Fuel tank | 51.5 gal
194.9 L |
Exhaust fluid (DEF) | 3.4 gal
12.9 L |
Engine details ...  | |
John Deere 6120R Power | |
|---|---|
Engine (gross) | 120 hp
89.5 kW |
Engine (max) | 130 hp
96.9 kW |
PTO (claimed) | 94 hp
70.1 kW |
Drawbar (tested) | 90.3 hp
67.3 kW |
PTO (tested) | 113.2 hp
84.4 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Power steering | |
Hydraulic wet disc brakes | |
Cab standard with air-conditioning. |
Hydraulics | |
|---|---|
Type | closed center |
Pressure | 2900 psi
200.0 bar |
Valves | 2 to 4 |
Pump flow | 30 gpm
113.6 lpm |
SCV flow | 26.4 gpm
99.9 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Control | electronic lower-link draft sensing |
Rear lift (at 24"/610mm) | 5582 lbs
2531 kg |
7432 lbsOptOptional
3371 kg | |
Drawbar | Cat. 2 |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Clutch | electro-hydraulic |
Rear PTO Type | 540/1000 |
540/540E/1000 OptOptional | |
Dimensions & Tires | |
|---|---|
Wheelbase | 102 inches
259 cm |
Front tire | 10.00-16 |
2WD Rear tire | 18.4R34 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 200 |
240 OptOptional | |
Charging volts | 14 |
Battery volts | 12 |
Battery AH | 154 |
Engine
Engine Detail — 276 ci / 4.5 L Diesel
Manufacturer | John Deere |
Configuration | turbocharged diesel, 4-cylinder 16-valve, liquid-cooled inline |
Displacement | 276 ci
4.5 L |
Bore/Stroke | 4.19x5.00 inches
106 x 127 mm |
Emissions | Tier IV |
Emission control | selective catalytic reduction and exhaust gas recirculation |
Rated Power (gross) | 120 hp
89.5 kW |
Maximum Power (gross) | 130 hp
96.9 kW |
Rated RPM | 2100 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission options | |
|---|---|
16-speed partial power shift | |
24-speed partial power shift | |
infinitely variable transmission |
Transmission — PowrQuad
Transmission | PowrQuad |
Type | partial power shift |
Gears | 16 forward and reverse |
Transmission — AutoQuad Plus Eco
Transmission | AutoQuad Plus Eco |
Type | partial power shift |
Gears | 24 forward and reverse |
Transmission — AutoPowr IVT
Transmission | AutoPowr IVT |
Type | infinitely variable transmission |
Gears | infinite forward and reverse |
Dimensions
John Deere 6120R Tires | |
|---|---|
2WD Standard tires (ag) | Front: 10.00-16. Rear: 18.4R34 |
4WD Standard tires (ag) | Front: 12.4R24. Rear: 16.9R30 |
Dimensions | |
|---|---|
Wheelbase | 102 inches
259 cm |
Max weight | 21936 lbs
9950 kg |
Max Drawbar | 5400 lbs
2449 kg |
Clearance (front axle) | 18.5 inches
46 cm |
Flange rear axle | |
2WD Front tread | 58.5 to 96 inches
148 to 243 cm |
4WD Front tread | 63.6 to 75.7 inches
161 to 192 cm |
Tests
OCED Tractor Test 3085 | |
|---|---|
Diesel 24-speed 4WD
October 2017 - November 2017,
Link: OCED Tractor Test 3085 file | |
PTO performance | |
Max power | 113.2 hp
84.4 kW |
Fuel use | 6.6 gal/hour
25.0 l/hour |
Power at rated engine speed | 99.5 hp
74.2 kW |
Fuel use | 6.3 gal/hour
23.8 l/hour |
Power at rated PTO speed | 112.6 hp
84.0 kW |
Fuel use | 6.6 gal/hour
25.0 l/hour |
Drawbar performance | |
Max power | 90.3 hp
67.3 kW |
Fuel use | 6.3 gal/hour
23.8 l/hour |
Max pull | 14030 lbs
6364 kg |
Recommended Implements & Sizing Guide
Engineering recommendations for John Deere 6120R based on its 120 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm) | Heavy Duty | Heavy primary tillage; semi-mounted hitch recommended. |
Rotary Cutter / MowerMowing & Clearing | 10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼 | Heavy Duty | Wide swath pasture and crop residue shredding. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙 | Commercial / Field Scale | Wide commercial field leveling; requires hydraulic remotes. |
Hay BalerHay & Forage | 5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机 | Heavy Duty | High density baling; requires minimum 85 PTO HP. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 6120R.
Estimated Continuous Field Runtime: 8.3 hrs
Approximately 8.3 hours of continuous field operation at ~75% rated power on a full tank (51.5 gal / 194.9 L).
Estimated 75% Load Fuel Burn~6.2 gal/hr (23.6 L/hr)
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 6120R Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 6120R.
Converted Equivalents:
Horsepower (HP)120 hp
Kilowatts (kW)89.5 kW
Metric Horsepower (PS / CV)121.7 PS
Direct Competitor Comparison
Compare John Deere 6120R against same-era industry alternatives in the same horsepower class.
Current Model
John Deere
John Deere 6120R
Engine Power:Diesel (gross): 120 hp / 89.5 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 1046
Engine Power:108.5
Production Years:1971 - 1978
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