Overview
The GBT-3000 is a two-wheel drive utility farm tractor manufactured in Madison, Wisconsin, between 1976 and 1978. This model is equipped with a 0.8L 4-cylinder Continental gasoline engine rated at 27 hp and a 6-speed gear transmission.
Ideal Applications
Engine and Power Configuration:
The liquid-cooled Continental R800-46 gasoline engine operates at a rated 3300 RPM with a displacement of 51.6 cubic inches and an 8:1 compression ratio.
Transmission and PTO Specifications:
The mechanical system features a 6-speed gear transmission providing six forward gears and one reverse, paired with an independent 540 RPM rear PTO.
Chassis and Hydraulic Dimensions:
This 2500-pound tractor features an open operator station with power steering, hydraulic disc brakes, and an open center hydraulic system with a pump flow of 8 gpm.
Production
| Description | Utility tractor / Built in Madison, Wisconsin, USA / Original price was $4,650 in 1976 |
|---|---|
| Manufacturer | GBT |
Engine
| Engine type | Continental 0.8L 4-cyl gasoline |
|---|---|
| Bore/Stroke | 2.28x3.14 inches (58 x 80 mm) |
| Compression | 8:1 |
| Coolant capacity | 8 qts (7.6 L) |
| Description | Continental R800-46 / gasoline / 4-cylinder / liquid-cooled |
| Displacement | 51.6 ci (0.8 L) |
| Power | 27 hp (20.1 kW) |
| Rated RPM | 3300 |
| Starter | electric |
| Starter volts | 12 |
| Oil capacity | 3 qts (2.8 L) |
| Oil change | 50 h |
Transmission
| Gears | 6 forward and 1 reverse |
|---|---|
| Oil capacity | 5.9 qts (5.6 L) |
| Oil type | SAE-90 |
| Transmission type | 6-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Power steering / Hydraulic disc brakes |
| Drive type | Two-wheel drive |
Capacity
| Fuel | 7.75 gal (29.3 L) |
|---|---|
| Hydraulic system | 0.7 gal (2.6 L) |
Hydraulics
| Capacity | 0.7 gal (2.6 L) |
|---|---|
| Pressure | 2000 psi (137.9 bar) |
| Pump flow | 8 gpm (30.3 lpm) |
| Type | open center |
Hitch
| Rear Type | I |
|---|
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540 (1.375) |
Electrical
| Battery volts | 12 |
|---|---|
| Ground | negative |
Dimensions & Tires
| Clearance (front axle) | 18.75 inches (47 cm) |
|---|---|
| Clearance (rear axle) | 21.5 inches (54 cm) |
| Front tread | 43 to 61 inches (109 to 154 cm) |
| Height (steering wheel) | 61 inches (154 cm) |
| Length | 105 inches (266 cm) |
| Rear tread | 40 to 69 inches (101 to 175 cm) |
| Weight | 2500 lbs (1134 kg) |
| Wheelbase | 70.5 inches (179 cm) |
| Front tire | 5.00x15 |
| Rear tire | 12.4x24 |
| Weight | 2500 lbs (1134 kg) |
| Wheelbase | 70.5 inches (179 cm) |
| Ag front | 5.00x15 / 5.50x16 |
| Ag rear | 12.4x24 / 12.4x28 |
References
| Description | GBT-3000 published in 1976 / GBT-3000 Operator's Manual published in 1976 |
|---|
Speeds
| Description | With 12.4x24 rear tires. |
|---|