Tractor · 1986Unverified
White Field Boss 31
White Field Boss 31 — Compact Utility tractor · 25 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
25 hp
Weight
2215 to 2414 pounds
Hover a source tag to verify
Overview
DistributorWhiteReference
ManufacturerIsekiReference
Compact Utility tractorReference
Original price was $9,000 in 1988Reference
Two- or four-wheel driveReference
2WD SteeringmanualReference
4WD SteeringpowerReference
Mechanical wet discs brakesReference
Two-post ROPS. Optional canopy and radio.Reference
Engine
Isuzu 1.5L 3-cyl dieselReference
Fuel tank28.0 LReference
Engine22.4 kWReference
IsuzuReference
dieselReference
3-cylinderReference
liquid-cooled inlineReference
Displacement1.5 LReference
Bore/Stroke86 x 86 mmReference
Power22.4 kWReference
Compression21.4:1Reference
Rated RPM2600Reference
Idle RPM850-2860Reference
Firing order1-3-2Reference
Starter volts12Reference
Transmission
12-speed partially synchronizedReference
TransmissionTriple-syncReference
Typepartially synchronizedReference
Gears12 forward and 4 reverseReference
Three synchronized gears in four ranges.Reference
PTO & Hydraulics
PTO (claimed)18.6 kWReference
Typeopen centerReference
Pressure147.2 barReference
Total flow29.1 lpmReference
Rear TypeIReference
Rear PTOindependentReference
Rear PTO Type540 (1.375)Reference
Front PTOliveReference
Front PTO Type2600Reference
Dimensions
Wheelbase165 cmReference
Weight2215 to 2414 poundsReference
Front tire5.00-15Reference
2WD Rear tire11.2-24Reference
2WD Standard tires (ag)Front: 5.00-15. Rear: 11.2-24Reference
4WD Standard tires (ag)Front: 7.00-16. Rear: 11.2-24Reference
2WD Lawn/turf front24x8.50-12Reference
4WD Lawn/turf front212x800-15Reference
Lawn/turf rear355x800-20Reference
Length294 cmReference
Width132 cmReference
Height (exhaust)203 cmReference
2WD Shipping weight1004 kgReference
4WD Shipping weight1094 kgReference
2WD Front tread96 to 105 cmReference
4WD Front tread104 cmReference
Rear tread102 to 134 cmReference
White Field Boss 31 attachments
snowblowerReference
front-end loaderReference
Field Boss 31 Serial Numbers
Location:Tractor frame on leftReference
1986TE4300FS00028 (4WD)Reference
1987TE4300FS00175 (4WD)Reference
1988TE4300FS00568 (4WD)Reference
1986TE4300TM00126 (2WD)Reference
1987TE4300TM00163 (2WD)Reference
1988TE4300TM00276 (2WD)Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps35Reference
Battery volts12Reference
Attachment overview
SnowblowerReference
White 1045QA loaderReference
White 1155 QA loaderReference
Rear mowers for the Field Boss 31 included finishing (48, 60, or 72 inch), flail (50 or 60 inch), and rotary cutters (48 or 60 inch). Rear blades in 5 or 6 foot widths, plus a 4.5 foot box scraper could be fitted. PTO-drive tillers were available in 40, 52, or 60 inch widths.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.