Big Bud 370
The Big Bud 370 is a tractor produced by Big Bud. It is equipped with a 674 ci 11.0 L engine. The listed engine power is Diesel (listed): 370 hp / 275.9 kW. Transmission: 12 forward and 2 reverse. Drive type: 4x4 4WD. Operating weight: 41,200 lbs 18688 kg.
Engine Power
Diesel (listed): 370 hp / 275.9 kW
Drive & Traction
4x4 4WD
Transmission
12 forward and 2 reverse
Operating Weight
41,200 lbs
18688 kg
Overview
![]() | 1986 - 1989
4 SeriesFour-wheel Drive (4WD) tractor
4 Series
Four-wheel Drive (4WD) tractor |
|---|
Production | |
|---|---|
Manufacturer | Big Bud |
Four-wheel Drive (4WD) tractor | |
Built in Havre, Montana, USA | |
Total built | 2 |
Big Bud 370 Engine | |
|---|---|
Komatsu 11.0L 6-cyl diesel | |
Engine details ... |
Big Bud 370 Transmission | |
|---|---|
12-speed full power shift | |
Transmission details ... |
Big Bud 370 Power | |
|---|---|
Engine | 370 hp
275.9 kW |
Mechanical | |
|---|---|
Drive | 4x4 4WD |
Steering | hydrostatic power |
Cab standard. | |
Dimensions & Tires | |
|---|---|
Weight | 41,200 lbs
18688 kg |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Engine
Engine Detail — 674 ci / 11.0 L Diesel
Manufacturer | Komatsu ST1079 |
Configuration | turbocharged intercooled diesel, 6-cylinder, liquid-cooled |
Displacement | 674 ci
11.0 L |
Bore/Stroke | 4.92x5.91 inches
125 x 150 mm |
Power | 370 hp
275.9 kW |
Rated RPM | 2100 |
Starter type | electric |
Transmission
Transmission — 12 forward and 2 reverse full power shift
Type | full power shift |
Gears | 12 forward and 2 reverse |
Dimensions
Big Bud 370 Tires |
|---|
Dimensions | |
|---|---|
Weight | 41,200 lbs
18688 kg |
Photos
Recommended Implements & Sizing Guide
Engineering recommendations for Big Bud 370 based on its 370 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁 | Commercial / Field Scale | High horsepower articulated/4WD field plowing. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙 | Commercial / Field Scale | Broad-acre grain tillage for high-drawbar tractors. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
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 Big Bud 370.
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
Big Bud 370 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Big Bud 370.
Converted Equivalents:
Horsepower (HP)370 hp
Kilowatts (kW)275.9 kW
Metric Horsepower (PS / CV)375.1 PS
Direct Competitor Comparison
Compare Big Bud 370 against same-era industry alternatives in the same horsepower class.
Current Model
Big Bud
Big Bud 370
Engine Power:Diesel (listed): 370 hp / 275.9 kW
★ Baseline Reference
Related models
Big Bud HN320
- Power:
- 320
- Production years:
- 1976 - 1978
Big Bud HN350
- Power:
- 350
- Production years:
- 1973 - 1978
Big Bud KT350
- Power:
- 350
- Production years:
- 1975 - 1975
Big Bud 360/10
- Power:
- 360
- Production years:
- 1979 - 1980
Big Bud 360/30
- Power:
- 360
- Production years:
- 1979 - 1981

