Renault 851
The Renault 851 is a tractor produced by Renault. It is equipped with a 253.5 ci 4.2 L engine. The listed engine power is Diesel (listed): 85 hp / 63.4 kW. Transmission: 12 forward and reverse. Operating weight: 6,648 lbs (2WD) 3015 kg.
Engine Power
Diesel (listed): 85 hp / 63.4 kW
Fuel & Capacities
20.3 gal
76.8 L
Transmission
12 forward and reverse
Operating Weight
6,648 lbs (2WD)
3015 kg
Overview
 | 1974 - 1980 |
|---|
Production | |
|---|---|
Manufacturer | Renault |
Variants | |
|---|---|
851-4 | 4WD |
Renault 851 Engine | |
|---|---|
MWM 4.2L 4-cyl diesel | |
Fuel tank | 20.3 gal
76.8 L |
Engine details ...  | |
Renault 851 Transmission | |
|---|---|
12-speed | |
Transmission details ...  |
Renault 851 Power | |
|---|---|
Engine | 85 hp
63.4 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Steering | hydrostatic power |
Dry disc brakes | |
standard | |
Hydraulics | |
|---|---|
Total flow | 8.3 gpm
31.4 lpm |
Tractor hitch | |
|---|---|
Rear lift | 6,064 lbs
2750 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540/1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 95.7 inches
243 cm |
Weight | 6648 to 7574 pounds |
Front tire | 7.50-18 |
Rear tire | 16.9-34 |
Full dimensions and tires ...  | |
Engine
Engine Detail — 253.5 ci / 4.2 L Diesel
Manufacturer | MWM TD226-4 |
Configuration | turbocharged diesel, 4-cylinder |
Displacement | 253.5 ci
4.2 L |
Bore/Stroke | 4.134x4.724 inches
105 x 120 mm |
Power | 85 hp
63.4 kW |
Rated RPM | 2350 |
Torque | 213.9 lb-ft
290.0 Nm |
Torque RPM | 1400 |
Transmission
Transmission — 12 forward and reverse
Gears | 12 forward and reverse |
Dimensions
Renault 851 Tires | |
|---|---|
Ag front | 7.50-18 |
Ag rear | 16.9-34 |
Ag front | 12.4-24 |
Ag rear | 16.9-34 |
Dimensions | |
|---|---|
Wheelbase | 95.7 inches
243 cm |
Length | 162.6 inches
413 cm |
Height | 106.3 inches
270 cm |
Weight | 6,648 lbs (2WD)
3015 kg |
7,574 lbs (4WD)
3435 kg | |
Photos
Renault 851
Recommended Implements & Sizing Guide
Engineering recommendations for Renault 851 based on its 85 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 3 to 4 Bottom (16")3 - 4 铧 (40 cm) | Heavy Duty | Suitable for medium loam and stubble turnover. |
Rotary Cutter / MowerMowing & Clearing | 7 to 8 ft (84-96 in)2.1 - 2.4 m | Heavy Duty | Heavy-duty twin spindle cutter for overgrown acreage. |
Rotary TillerSeedbed Prep | 78 to 84 in200 - 215 cm | Heavy Duty | Heavy commercial tiller with multi-speed gearbox. |
Disc HarrowSecondary Tillage | 10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙 | Heavy Duty | Aggressive residue cutting in corn/cotton stubble. |
Hay BalerHay & Forage | 4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机 | Heavy Duty | Silage and dry hay; 540 RPM PTO with slip-clutch. |
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 Renault 851.
Estimated Continuous Field Runtime: 4.6 hrs
Approximately 4.6 hours of continuous field operation at ~75% rated power on a full tank (20.3 gal / 76.8 L).
Estimated 75% Load Fuel Burn~4.4 gal/hr (16.7 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
Renault 851 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Renault 851.
Converted Equivalents:
Horsepower (HP)85 hp
Kilowatts (kW)63.4 kW
Metric Horsepower (PS / CV)86.2 PS
Direct Competitor Comparison
Compare Renault 851 against same-era industry alternatives in the same horsepower class.
Current Model
Renault
Renault 851
Engine Power:Diesel (listed): 85 hp / 63.4 kW
★ Baseline Reference
Related models
Renault 68-12 RS
- Power:
- 68
- Production years:
- 1983 - 1987
Renault 68-14 RS
- Power:
- 68
- Production years:
- 1983 - 1987
Renault 681
- Power:
- 68
- Production years:
- 1979 - 1980
Renault 681S
- Power:
- 68
- Production years:
- 1980 - 1986
Renault 75-12 LS
- Power:
- 70
- Production years:
- 1985 - 1989