GBT GBT-3000
The GBT GBT-3000 is a tractor produced by Gbt. It is equipped with a 51.6 ci 0.8 L engine. The listed engine power is Gasoline (listed): 27 hp / 20.1 kW. Transmission: 6 forward and 1 reverse. Operating weight: 2500 lbs 1134 kg.
Engine Power
Gasoline (listed): 27 hp / 20.1 kW
Fuel & Capacities
7.75 gal
29.3 L
Transmission
6 forward and 1 reverse
Operating Weight
2500 lbs
1134 kg
Overview
 | 1976 - 1978
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | GBT |
Utility tractor | |
Built in Madison, Wisconsin, USA | |
Original price was $4,650 in 1976 | |
GBT GBT-3000 Engine | |
|---|---|
Continental 0.8L 4-cyl gasoline | |
Engine details ...  |
GBT GBT-3000 Transmission | |
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6-speed gear | |
Transmission details ...  |
GBT GBT-3000 Power | |
|---|---|
Engine | 27 hp
20.1 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Power steering | |
Hydraulic disc brakes | |
Open operator station. |
Capacity | |
|---|---|
Fuel | 7.75 gal
29.3 L |
Hydraulic system | 0.7 gal
2.6 L |
Hydraulics | |
|---|---|
Type | open center |
Capacity | 0.7 gal
2.6 L |
Pressure | 2000 psi
137.9 bar |
Pump flow | 8 gpm
30.3 lpm |
Tractor hitch | |
|---|---|
Rear Type | I |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540 (1.375) |
Dimensions & Tires | |
|---|---|
Wheelbase | 70.5 inches
179 cm |
Weight | 2500 lbs
1134 kg |
Front tire | 5.00x15 |
Rear tire | 12.4x24 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
GBT-3000 published in 1976 | |
GBT-3000 Operator's Manual published in 1976 |
Engine
Engine Detail — 51.6 ci / 0.8 L Gasoline
Manufacturer | Continental R800-46 |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 51.6 ci
0.8 L |
Bore/Stroke | 2.28x3.14 inches
58 x 80 mm |
Power | 27 hp
20.1 kW |
Compression | 8:1 |
Rated RPM | 3300 |
Starter | electric |
Starter volts | 12 |
Coolant capacity | 8 qts
7.6 L |
Oil capacity | 3 qts
2.8 L |
Oil change | 50 h |
Transmission
Transmission — 6 forward and 1 reverse gear
Type | gear |
Gears | 6 forward and 1 reverse |
Oil capacity | 5.9 qts
5.6 L |
Oil type | SAE-90 |
With 12.4x24 rear tires. | |
 | |
Dimensions
GBT GBT-3000 Tires | |
|---|---|
Ag front | 5.00x15 |
Ag rear | 12.4x24 |
Ag front | 5.50x16 |
Ag rear | 12.4x28 |
Dimensions | |
|---|---|
Wheelbase | 70.5 inches
179 cm |
Length | 105 inches
266 cm |
Height (steering wheel) | 61 inches
154 cm |
Weight | 2500 lbs
1134 kg |
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 |
Rear tread | 40 to 69 inches
101 to 175 cm |
Photos
GBT GBT-3000 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Gbt GBT-3000 based on its 27 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 | 5 ft (60 in)1.5 m | Medium Duty | Pasture maintenance and weeds up to 1.5" diameter. |
Rotary TillerSeedbed Prep | 54 to 60 in135 - 150 cm | Medium Duty | Thorough seedbed preparation in orchards and vegetable plots. |
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 Gbt GBT-3000.
Estimated Continuous Field Runtime: 5.6 hrs
Approximately 5.6 hours of continuous field operation at ~75% rated power on a full tank (7.8 gal / 29.3 L).
Estimated 75% Load Fuel Burn~1.4 gal/hr (5.3 L/hr)
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
Gbt GBT-3000 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Gbt GBT-3000.
Converted Equivalents:
Horsepower (HP)27 hp
Kilowatts (kW)20.1 kW
Metric Horsepower (PS / CV)27.4 PS
Direct Competitor Comparison
Compare GBT GBT-3000 against same-era industry alternatives in the same horsepower class.
Current Model
Gbt
GBT GBT-3000
Engine Power:Gasoline (listed): 27 hp / 20.1 kW
★ Baseline Reference
Related models
GBT GBT-2000
- Power:
- 27
- Production years:
- 1976 - 1978