Leyland 804
The Leyland 804 is a tractor produced by Leyland. It is equipped with a 230 ci 3.8 L engine. The listed engine power is Diesel (listed): 82 hp / 61.1 kW. Transmission: 9 forward and 3 reverse. Operating weight: 6700 lbs 3039 kg.
Engine Power
Diesel (listed): 82 hp / 61.1 kW
Transmission
9 forward and 3 reverse
Operating Weight
6700 lbs
3039 kg
Overview
 | 1981 - 1982
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Leyland |
Utility tractor | |
Variants | |
|---|---|
802 | 2WD |
804 | 4WD |
Leyland 804 Engine | |
|---|---|
Leyland 3.8L 4-cyl diesel | |
Engine details ...  |
Leyland 804 Transmission | |
|---|---|
9-speed | |
Transmission details ...  |
Leyland 804 Power | |
|---|---|
Engine | 82 hp
61.1 kW |
PTO (claimed) | 74 hp
55.2 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Power steering |
Tractor hitch | |
|---|---|
Rear Type | II |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 |
Dimensions & Tires | |
|---|---|
Weight | 6700 lbs
3039 kg |
Full dimensions and tires ...  | |
References | |
|---|---|
 | |
802 - 804 published in 1981, by Leyland |
Engine
Engine Detail — 230 ci / 3.8 L Diesel
Manufacturer | Leyland 4/98 TT |
Configuration | turbocharged diesel, 4-cylinder, liquid-cooled |
Displacement | 230 ci
3.8 L |
Bore/Stroke | 3.86x4.92 inches
98 x 125 mm |
Power | 82 hp
61.1 kW |
Compression | 16.8:1 |
Rated RPM | 2200 |
Starter volts | 12 |
Leyland 804 Engine | |
|---|---|
 |
Transmission
Transmission — 9 forward and 3 reverse
Gears | 9 forward and 3 reverse |
Dimensions
Leyland 804 Tires |
|---|
Dimensions | |
|---|---|
Weight | 6700 lbs
3039 kg |
Photos
Leyland 804
Leyland 804
Recommended Implements & Sizing Guide
Engineering recommendations for Leyland 804 based on its 82 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 Leyland 804.
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
Leyland 804 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Leyland 804.
Converted Equivalents:
Horsepower (HP)82 hp
Kilowatts (kW)61.1 kW
Metric Horsepower (PS / CV)83.1 PS
Direct Competitor Comparison
Compare Leyland 804 against same-era industry alternatives in the same horsepower class.
Current Model
Leyland
Leyland 804
Engine Power:Diesel (listed): 82 hp / 61.1 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 844
Engine Power:73.8
Production Years:1974 - 1980
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