Gibson D
The Gibson D is a tractor produced by Gibson. It is equipped with a 23 ci 0.4 L engine. The listed engine power is Gasoline (listed): 6 hp / 4.5 kW. Transmission: 3 forward and 1 reverse. Operating weight: 955 lbs 433 kg.
Engine Power
Gasoline (listed): 6 hp / 4.5 kW
Fuel & Capacities
2.5 gal
9.5 L
Transmission
3 forward and 1 reverse
Operating Weight
955 lbs
433 kg
Overview
![]() | 1947 - 1949 |
|---|
Production | |
|---|---|
Manufacturer | Gibson |
Built in Longmont, Colorado, USA | |
Variants | |
|---|---|
SD | hood and fenders |
Gibson D Engine | |
|---|---|
Wisconsin 0.4L 1-cyl gasoline | |
Fuel tank | 2.5 gal
9.5 L |
Engine details ... | |
Gibson D Transmission | |
|---|---|
3-speed unsynchronized gear | |
Transmission details ... |
Gibson D Power | |
|---|---|
Engine | 6 hp
4.5 kW |
Plows | 1 |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | manual, tiller |
Open operator station. | |
Dimensions & Tires | |
|---|---|
Wheelbase | 46 inches
116 cm |
Weight | 955 lbs
433 kg |
Front tire | 4.00x12 |
Rear tire | 7.00-24 |
Full dimensions and tires ... | |
References | |
|---|---|
![]() | |
Gibson Tractors - Durability, lower operating costs, plus extra power. published in 1948 |
Engine
Engine Detail — 23 ci / 0.4 L Gasoline
Manufacturer | Wisconsin AEH |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled |
Displacement | 23 ci
0.4 L |
Bore/Stroke | 3.00x3.25 inches
76 x 83 mm |
Power | 6 hp
4.5 kW |
Air cleaner | oil bath |
Rated RPM | 2000 |
Transmission
Transmission — 3 forward and 1 reverse unsynchronized gear
Type | unsynchronized gear |
Gears | 3 forward and 1 reverse |
Clutch | idler pulley |
![]() | |
Dimensions
Gibson D Tires | |
|---|---|
Ag front | 4.00x12 |
Ag rear | 7.00-24 |
Dimensions | |
|---|---|
Wheelbase | 46 inches
116 cm |
Height | 45 inches
114 cm |
Weight | 955 lbs
433 kg |
Photos
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Gibson D.
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
Gibson D Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Gibson D.
Converted Equivalents:
Horsepower (HP)6 hp
Kilowatts (kW)4.5 kW
Metric Horsepower (PS / CV)6.1 PS
Related models
Gibson A
- Power:
- 6
Gibson SD
- Power:
- 6
Gibson Super D
- Power:
- 6
Gibson Super D2
- Power:
- 12
- Production years:
- 1950 - 1958
Gibson E
- Power:
- 12
- Production years:
- 1948 - 1952







