Utility tractorsSpec sheet
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 hp(22.4 kW)Class25–40 HP tractors →Engine3-cylinderTransmissionPartially Synchronized
Key specifications
- Category
- Utility
- Engine power
- 30hp
- Operating weight
- 2,215 lb
- Transmission
- Partially Synchronized
Category comparison
Field Boss 31 compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded 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
Recorded specifications
General
| Manufacturer | White |
|---|---|
| Model | Field Boss 31 |
| Category | Utility tractor |
| Type | 2WD |
| Operating weight | 2,215lb(1,005 kg) |
Engine
| Make | Isuzu |
|---|---|
| Power | 30hp(22.37 kW) |
| Cylinders | 3 |
| Displacement | 91.4ci(1.5 L) |
| Bore | 3.39in(86.11 mm) |
| Stroke | 3.39in(86.11 mm) |
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(2,946 mm) |
|---|---|
| Width | 52in(1,321 mm) |
| Height | 80in(2,032 mm) |
| Operating weight | 2,215lb(1,005 kg) |
Tires
| Front | 5.00-15Convert |
|---|---|
| Rear | 11.2-24Convert |
Closest alternatives
Field Boss 31 compared with the nearest models by horsepower
The closest utility models to the White Field Boss 31 by rated horsepower are the Kubota B3000 and the Bobcat CT230. The Kubota B3000 matches it on rated power and weighs 60 lb more. The Bobcat CT230 matches it on rated power and weighs 840 lb more, at 102 lb per horsepower against 74 lb. Of the 3 models, the Field Boss 31 has the lowest weight per horsepower at 74 lb per hp.
| Spec | White Field Boss 31 | Kubota B3000 | Bobcat CT230 |
|---|---|---|---|
| Engine power | 30 hp22.4 kW | 30 hp22.4 kW | 30 hp22.4 kW |
| Operating weight | 2,215 lb1,005 kg | 2,271 lb1,030 kg | 3,056 lb1,386 kg |
| Weight per hp | 74 lb/hp45 kg/kW | 76 lb/hp46 kg/kW | 102 lb/hp62 kg/kW |
| Displacement | 91.4 ci1.5 L | 91.4 ci1.5 L | 91.5 ci1.5 L |
| Cylinders | 3 | 4 | 3 |
| Transmission | Partially Synchronized | Hydrostatic | Hydrostatic |
| Drive | 2WD | 4WD | MFWD 4WD |
| Years built | - | 2010-2013 | 2008-2013 |
Calculators
Calculators for the Field Boss 31
PTO power
About 25 to 27 PTO hp
Estimated from the 30 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 30 hp tractor can run
The calculator sizes mowers, tillers, discs, plows and balers for this tractor.
Ballast
86 lb per PTO hp as listed
Heavy draft work calls for 130 to 150 lb/hp. The calculator gives the ballast to add.
Units
30 hp is 22.4 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Tires
Convert the 11.2-24 tire size
The calculator gives diameter, rolling circumference and the metric or inch equivalent.
Category medians
Field Boss 31 vs. Utility median
White Field Boss 31 compared with 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 calculated from the utility tractors in the database that have a recorded value for each specification (sample size 3,933–5,720 models).
Same manufacturer
Other White models
Other manufacturers
Models with similar horsepower
Gallery
White Field Boss 31 photos
FAQ
Frequently asked 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?
The White Field Boss 31 is fitted with 5.00-15 front tires and 11.2-24 rear tires from the factory.
What is the operating weight of the White Field Boss 31?
The White Field Boss 31 has an operating weight of about 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.