Yanmar YM2020
The Yanmar YM2020 is a tractor produced by Yanmar. The listed engine power is Diesel (listed): 20 hp / 14.9 kW. Transmission: 12 forward and 4 reverse. Operating weight: 2491 lbs 1129 kg.
Engine Power
Diesel (listed): 20 hp / 14.9 kW
Fuel & Capacities
Diesel
Transmission
12 forward and 4 reverse
Operating Weight
2491 lbs
1129 kg
Overview
 | 1982 - 1983
YM20 SeriesCompact Utility tractor
YM20 Series
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Yanmar |
Compact Utility tractor | |
Variants | |
|---|---|
YM2002 | 2WD gear |
YM2002D | 4WD gear |
YM2020 | 2WD power shift |
YM2020D | 4WD power shift |
Yanmar YM2020 Engine | |
|---|---|
Yanmar 3-cyl diesel | |
Engine details ...  |
Yanmar YM2020 Transmission | |
|---|---|
12-speed partial power shift | |
Transmission details ...  |
Yanmar YM2020 Power | |
|---|---|
Engine | 20 hp
14.9 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Weight | 2491 lbs
1129 kg |
Full dimensions and tires ...  | |
Engine
Engine Detail — Diesel
Manufacturer | Yanmar |
Fuel Type | Diesel |
Configuration | 3-cylinder |
Power | 20 hp
14.9 kW |
Transmission
Transmission — 12 forward and 4 reverse partial power shift
Type | partial power shift |
Gears | 12 forward and 4 reverse |
Three power shift gears, plus reverse, with four ranges. | |
Dimensions
Yanmar YM2020 Tires |
|---|
Dimensions | |
|---|---|
Length | 113 inches
287 cm |
Width | 48 inches
121 cm |
Height | 73 inches
185 cm |
Weight | 2491 lbs
1129 kg |
Photos
Yanmar YM2020 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Yanmar YM2020 based on its 20 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 1 to 2 Bottom (12")1 - 2 铧 (30 cm) | Light Duty | Ideal for garden plots and light sandy soil. |
Rotary Cutter / MowerMowing & Clearing | 4 ft (48 in)1.2 m | Light Duty | Pasture clipping and light brush under 1" diameter. |
Rotary TillerSeedbed Prep | 42 to 48 in105 - 120 cm | Light Duty | Covers compact tractor tire width. |
Disc HarrowSecondary Tillage | 5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片) | Light Duty | Small acreage soil break-up and secondary aeration. |
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 YM2020.
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 YM2020 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Yanmar YM2020.
Converted Equivalents:
Horsepower (HP)20 hp
Kilowatts (kW)14.9 kW
Metric Horsepower (PS / CV)20.3 PS
Direct Competitor Comparison
Compare Yanmar YM2020 against same-era industry alternatives in the same horsepower class.
Current Model
Yanmar
Yanmar YM2020
Engine Power:Diesel (listed): 20 hp / 14.9 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 184 Lo-Boy
Engine Power:18
Production Years:1977 - 1980
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