White Field Boss 31
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| Production | |
| Distributor | White |
| Manufacturer | Iseki |
| Compact Utility tractor | |
| Original price was $9,000 in 1988 | |
| White Field Boss 31 Engine | |
| Isuzu 1.5L 3-cyl diesel | |
| Fuel tank | 7.4 gal 28.0 L |
 Engine details ... | |
| White Field Boss 31 Transmission | |
| 12-speed partially synchronized | |
 Transmission details ... |
| White Field Boss 31 Power | |
| Engine | 30 hp 22.4 kW |
| PTO (claimed) | 25 hp 18.6 kW |
| Mechanical | |
| Two- or four-wheel drive | |
| 2WD Steering | manual |
| 4WD Steering | power |
| Mechanical wet discs brakes | |
| Two-post ROPS. Optional canopy and radio. | |
| Hydraulics | |
| Type | open center |
| Pressure | 2135 psi 147.2 bar |
| Total flow | 7.7 gpm 29.1 lpm |
| Tractor hitch | |
| Rear Type | I |
| Power Take-off (PTO) | |
| Rear PTO | independent |
| Rear PTO Type | 540 (1.375) |
| Front PTO | live |
| Front PTO Type | 2600 |
| Dimensions & Tires | |
| Wheelbase | 65 inches 165 cm |
| Weight | 2215 to 2414 pounds |
| Front tire | 5.00-15 |
| 2WD Rear tire | 11.2-24 |
 Full dimensions and tires ... | |
| White Field Boss 31 attachments | |
| front-end loader | |
 Attachment details ... |
| Field Boss 31 Serial Numbers | |
| Location: | Tractor frame on left |
| 1986 | TE4300FS00028 (4WD) |
| 1987 | TE4300FS00175 (4WD) |
| 1988 | TE4300FS00568 (4WD) |
| 1986 | TE4300TM00126 (2WD) |
| 1987 | TE4300TM00163 (2WD) |
| 1988 | TE4300TM00276 (2WD) |
FAQ: How to read a serial number table. | |
| Electrical | |
| Ground | negative |
| Charging system | alternator |
| Charging amps | 35 |
| Battery volts | 12 |
| References | |
 | |
| 1100 Series Front End Loaders published in 1987, by White | |
| Field Boss 31 published in 1986, by White |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on July 30, 2025 |