McCulloch D-20
The McCulloch D-20 is a tractor produced by Mcculloch. The listed engine power is Diesel (listed): 20 hp / 14.9 kW. Transmission: 6 forward and 2 reverse.
Engine Power
Diesel (listed): 20 hp / 14.9 kW
Fuel & Capacities
Diesel
Transmission
6 forward and 2 reverse
Overview
 | 1965 - 1970
Compact Utility tractorKubota built
Compact Utility tractor
Kubota built |
|---|
Production | |
|---|---|
Distributor | McCulloch |
Manufacturer | Kubota |
Compact Utility tractor | |
Built in Japan | |
The McCulloch-Kubota D-20 was imported into the United States in the late 1960s, prior to Kubota's entry to the market. | |
McCulloch D-20 Engine | |
|---|---|
Kubota 2-cyl diesel | |
Engine details ...  |
McCulloch D-20 Transmission | |
|---|---|
6-speed gear | |
Transmission details ...  |
McCulloch D-20 Power | |
|---|---|
Engine | 20 hp
14.9 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Open operator station. |
Tractor hitch | |
|---|---|
Rear Type | I |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 (1.375) |
Dimensions & Tires | |
|---|---|
Full dimensions and tires ...  |
Links | |
|---|---|
D20: short article on the D20 at Gas Engine Magazine |
Engine
Engine Detail — Diesel
Manufacturer | Kubota |
Fuel Type | Diesel |
Configuration | 2-cylinder, liquid-cooled |
Power | 20 hp
14.9 kW |
Starter volts | 12 |
Transmission
Transmission — 6 forward and 2 reverse gear
Type | gear |
Gears | 6 forward and 2 reverse |
Three-speed transmission with high and low ranges. | |
Dimensions
McCulloch D-20 Tires |
|---|
Dimensions |
|---|
Photos
McCulloch D-20
McCulloch D-20
McCulloch D-20
McCulloch D-20
McCulloch D-20
Recommended Implements & Sizing Guide
Engineering recommendations for Mcculloch D-20 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 Mcculloch D-20.
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
Mcculloch D-20 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Mcculloch D-20.
Converted Equivalents:
Horsepower (HP)20 hp
Kilowatts (kW)14.9 kW
Metric Horsepower (PS / CV)20.3 PS
Direct Competitor Comparison
Compare McCulloch D-20 against same-era industry alternatives in the same horsepower class.
Current Model
Mcculloch
McCulloch D-20
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