Yanmar YM4220
The Yanmar YM4220 is a tractor produced by Yanmar. It is equipped with a 87.2 ci 1.4 L engine. The listed engine power is Diesel (listed): 42 hp / 31.3 kW. Transmission: 15 forward and 5 reverse. Operating weight: 3351 lbs 1520 kg.
Engine Power
Diesel (listed): 42 hp / 31.3 kW
Transmission
15 forward and 5 reverse
Operating Weight
3351 lbs
1520 kg
Overview
 | 1982 - 1983
YM20 SeriesCompact Utility tractor
YM20 Series
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Yanmar |
Compact Utility tractor | |
Variants | |
|---|---|
YM4220 | 2WD |
YM4220D | 4WD |
Yanmar YM4220 Engine | |
|---|---|
Yanmar 1.4L 3-cyl diesel | |
Engine details ...  |
Yanmar YM4220 Transmission | |
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15-speed partial power shift | |
Transmission details ...  |
Yanmar YM4220 Power | |
|---|---|
Engine | 42 hp
31.3 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Open operator station. |
Tractor hitch | |
|---|---|
Rear Type | I |
Dimensions & Tires | |
|---|---|
Weight | 3351 lbs
1520 kg |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Engine
Engine Detail — 87.2 ci / 1.4 L Diesel
Manufacturer | Yanmar 3T84T |
Configuration | turbocharged diesel, 3-cylinder, liquid-cooled |
Displacement | 87.2 ci
1.4 L |
Bore/Stroke | 3.31x3.39 inches
84 x 86 mm |
Power | 42 hp
31.3 kW |
Starter volts | 12 |
Transmission
Transmission — 15 forward and 5 reverse partial power shift
Type | partial power shift |
Gears | 15 forward and 5 reverse |
Dimensions
Yanmar YM4220 Tires |
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Dimensions | |
|---|---|
Length | 125 inches
317 cm |
Width | 59 inches
149 cm |
Height | 78 inches
198 cm |
Weight | 3351 lbs
1520 kg |
Recommended Implements & Sizing Guide
Engineering recommendations for Yanmar YM4220 based on its 42 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
Rotary Cutter / MowerMowing & Clearing | 6 ft (72 in)1.8 m | Medium Duty | Medium pasture clearing; rear slip-clutch recommended. |
Rotary TillerSeedbed Prep | 66 to 72 in165 - 180 cm | Medium Duty | Standard utility tiller; slip clutch protection required. |
Disc HarrowSecondary Tillage | 7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙 | Medium Duty | Field leveling and clod breaking behind plows. |
Hay BalerHay & Forage | Small Square Baler (14x18")小方捆打捆机 (36x46 cm) | Medium Duty | Classic 2-string baler for horse and small livestock hay. |
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 Yanmar YM4220.
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
Yanmar YM4220 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Yanmar YM4220.
Converted Equivalents:
Horsepower (HP)42 hp
Kilowatts (kW)31.3 kW
Metric Horsepower (PS / CV)42.6 PS
Direct Competitor Comparison
Compare Yanmar YM4220 against same-era industry alternatives in the same horsepower class.
Current Model
Yanmar
Yanmar YM4220
Engine Power:Diesel (listed): 42 hp / 31.3 kW
★ Baseline Reference
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