UtilityPerformance profile
White Field Boss 31
The White Field Boss 31 is a utility tractor designed for various farm tasks. It has a 2WD drive system and manual steering, making it easy to control. The tractor uses a partially synchronized transmission with 12 forward gears and 4 reverse gears, giving the driver many options for different jobs. Under the hood, the Field Boss 31 has an Isuzu diesel engine with 3 cylinders. The engine is liquid-cooled and produces 30 hp at 2600 rpm, which is below average power for tractors. However, its engine speed is above average, allowing for quick responses. The tractor is compact, measuring 116 inches long, 52 inches wide, and 80 inches tall. It's lightweight at 2215 lb, making it easy to move around the farm. The Field Boss 31 has a Category I rear hitch for attaching tools and an open center hydraulic system. The open operator station gives the driver a clear view of their surroundings while working.
ManufacturerWhitePower30 hpEngine3-cylTransPartially Synchronized
Quick specs
- Category
- Utility
- Engine Power Output
- 30hp
- Operating Weight
- 2,215 lb
- Transmission
- Partially Synchronized
At a glance
How the Field Boss 31 compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
30 hp · 22nd
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The Field Boss 31 ranks at the 22nd percentile for engine power among recorded utility tractors.
Overview
About the White Field Boss 31
The White Field Boss 31 is a utility tractor designed for various farm tasks. It has a 2WD drive system and manual steering, making it easy to control. The tractor uses a partially synchronized transmission with 12 forward gears and 4 reverse gears, giving the driver many options for different jobs. Under the hood, the Field Boss 31 has an Isuzu diesel engine with 3 cylinders. The engine is liquid-cooled and produces 30 hp at 2600 rpm, which is below average power for tractors. However, its engine speed is above average, allowing for quick responses. The tractor is compact, measuring 116 inches long, 52 inches wide, and 80 inches tall. It's lightweight at 2215 lb, making it easy to move around the farm. The Field Boss 31 has a Category I rear hitch for attaching tools and an open center hydraulic system. The open operator station gives the driver a clear view of their surroundings while working.
Full specifications
Every recorded spec
General
| Manufacturer | White |
|---|---|
| Model | Field Boss 31 |
| Category | Utility tractor |
| Type | 2WD |
| Operating weight | 2,215lb |
Engine
| Make | Isuzu |
|---|---|
| Power | 30hp |
| Cylinders | 3 |
| Displacement | 91.4ci |
| Bore | 3.39in |
| Stroke | 3.39in |
Transmission
| Type | Partially Synchronized |
|---|---|
| Forward gears | 12 |
| Reverse gears | 4 |
Chassis & drive
| Drive | 2WD |
|---|---|
| Steering | Manual |
| Cab | Open |
Hydraulics
| Type | Open Center |
|---|
Dimensions
| Length | 116in |
|---|---|
| Width | 52in |
| Height | 80in |
| Operating weight | 2,215lb |
Tires
| Front | 5.00-15 |
|---|---|
| Rear | 11.2-24 |
Head to head
Field Boss 31 vs. Utility median
How the White Field Boss 31 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 30 hp | 55 hp | -45% | 22nd |
| Engine Displacement | 91.4 ci | 183 ci | -50% | 18th |
| Cylinders | 3 | 4 | -25% | 23rd |
| Forward Gears | 12 | 12 | at median | 50th |
| Operating Weight | 2,215 lb | 5,303 lb | -58% | 14th |
| Length | 116 in | 137 in | -15% | 22nd |
| Width | 52 in | 66 in | -21% | 20th |
| Height | 80 in | 94.1 in | -15% | 28th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 3,933–5,720 models).
Compare to tractors with similar specs
Commonly compared White tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| White Field Boss 21 | 21 hp | 1,584 lb | — | Compare → |
| White 2-45 Field Boss | 47.3 hp | 5,214 lb | — | Compare → |
| White 1370 | 59 hp | 4,410 lb | 1973–1976 | Compare → |
| White 11720 | — | 3,135 lb | — | Compare → |
| White 1270 | — | 3,710 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| AGCO ST30 | 30.3 hp | 2,594 lb | — | Compare → |
| Allis Chalmers UC | 30.93 hp | 5,710 lb | — | Compare → |
| Allis Chalmers 5030 | 31 hp | 2,530 lb | 1979–1985 | Compare → |
| Allis Chalmers D12 | 31 hp | 2,800 lb | 1959–1968 | Compare → |
| Antonio Carraro Tigre 4000 | 31 hp | — | — | Compare → |
Explore
White siblings
Explore
Similar-spec models
Gallery
White Field Boss 31 photos
FAQ
Common questions
What is the engine power output of the White Field Boss 31?
Rated engine output for the White Field Boss 31 is 30 hp, delivered by a 3-cylinder engine. The engine displaces 91.4 ci.
What size tires does the White Field Boss 31 use?
Factory rubber for the White Field Boss 31 is 5.00-15 front tires and 11.2-24 rear tires.
What is the operating weight of the White Field Boss 31?
In working trim, the White Field Boss 31 comes in at roughly 2,215 lb.
Which transmission does the White Field Boss 31 use?
The White Field Boss 31 is equipped with a Partially Synchronized transmission with 12 forward gears.
What type of hydraulic system does the White Field Boss 31 use?
Hydraulics on the White Field Boss 31 are Open Center.
How do I maintain a White Field Boss 31?
Routine service for the White Field Boss 31 covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.