Jacobsen G20D
The Jacobsen G20D is a tractor produced by Jacobsen. It is equipped with a 152.7 ci 2.5 L engine. The listed engine power is Diesel (listed): 45 hp / 33.6 kW. Transmission: 6 forward and 2 reverse.
Engine Power
Diesel (listed): 45 hp / 33.6 kW
Fuel & Capacities
Diesel
Transmission
6 forward and 2 reverse
Overview
 | 1983 - 1990
Massey Ferguson built |
|---|
Production | |
|---|---|
Distributor | Jacobsen |
Manufacturer | Massey Ferguson |
The Jacobsen G20D is a Massey Ferguson 20D. | |
Jacobsen G20D Engine | |
|---|---|
Perkins 2.5L 3-cyl diesel | |
Engine details ...  |
Jacobsen G20D Transmission | |
|---|---|
6-speed gear | |
Transmission details ...  |
Jacobsen G20D Power | |
|---|---|
Engine | 45 hp
33.6 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Two-post ROPS. |
Dimensions & Tires | |
|---|---|
Full dimensions and tires ...  |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Engine
Engine Detail — 152.7 ci / 2.5 L Diesel
Manufacturer | Perkins AD3.152 |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 152.7 ci
2.5 L |
Bore/Stroke | 3.60x5.00 inches
91 x 127 mm |
Power | 45 hp
33.6 kW |
Starter volts | 12 |
Transmission
Transmission — 6 forward and 2 reverse gear
Type | gear |
Gears | 6 forward and 2 reverse |
Dimensions
Jacobsen G20D Tires |
|---|
Dimensions |
|---|
Photos
Jacobsen G-20D, front view.
Jacobsen G-20D, right side.
Recommended Implements & Sizing Guide
Engineering recommendations for Jacobsen G20D based on its 45 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 Jacobsen G20D.
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
Jacobsen G20D Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Jacobsen G20D.
Converted Equivalents:
Horsepower (HP)45 hp
Kilowatts (kW)33.6 kW
Metric Horsepower (PS / CV)45.6 PS
Direct Competitor Comparison
Compare Jacobsen G20D against same-era industry alternatives in the same horsepower class.
Current Model
Jacobsen
Jacobsen G20D
Engine Power:Diesel (listed): 45 hp / 33.6 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 404
Engine Power:40.8
Production Years:1961 - 1968