Embed

Paste on your site — shows live UK/US specs and links back here. Free to use.

<iframe src="https://farmfleetspecs.com/embed/white-4-150-field-boss" width="100%" height="430" loading="lazy" style="border:1px solid #e6e8e4;border-radius:14px;max-width:560px" title="White 4-150 Field Boss specs — FarmFleetSpecs"></iframe>

Tractor · 1974Unverified

White 4-150 Field Boss

Name: White 4-150 Field Boss
Brand: White

White 4-150 Field Boss — Four-wheel Drive (4WD) tractor · 152 hp. Reference specifications; pending source verification.

The White 4-150 Field Boss is a tractor model rated at 152 hp, classified as a high-powered machine in its class. Manufactured from 1974 to 1978, the 4-150 Field Boss is equipped with an 8-cylinder diesel liquid-cooled engine and a four-wheel drive system, coupled with a powershift transmission. Its weight ranges from 14500 to 16960 pounds. It is intended for use on land areas of approximately 200–800 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

152 hp

Max power

93.8 kW

Weight

14500 to 16960 pounds

Catalogue coverage

Variants represented

Richest spec table

83 rows

Recorded power

152 hp

Recorded weight

6577 kg

Transmissions

18-speed partial powershift

Production years

1974-1978

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerWhiteReference

Four-wheel Drive (4WD) tractorReference

Original price was $37,500 in 1978Reference

Four-wheel driveReference

Articulated power steeringReference

Dry disc brakesReference

Cab standard with air-conditioning and radio.Reference

Engine

Caterpillar 10.4L 8-cyl dieselReference

Fuel tank355.8 LReference

Drawbar (tested)93.8 kWReference

Caterpillar 3208Reference

dieselReference

8-cylinderReference

liquid-cooledReference

Displacement10.4 LReference

Bore/Stroke114 x 127 mmReference

Compression16.5:1Reference

Rated RPM2800Reference

Starter volts12Reference

Power at rated engine speed113.2 kWReference

Max power93.8 kWReference

Transmission

18-speed partial powershiftReference

TransmissionHydraul-ShiftReference

Typepartial powershiftReference

Gears18 forward and 6 reverseReference

Clutchdry discReference

Six forward and two reverse gears with powershift between direct-, over-, and under-drive in each gear.Reference

PTO & Hydraulics

PTO (claimed)113.3 kWReference

PTO (tested)113.2 kWReference

Typeclosed centerReference

Pressure151.7 barReference

Pump flow75.7 lpmReference

Rear TypeIII/IIReference

Rear lift2721 kgReference

Rear PTOindependentReference

Rear PTO Type1000Reference

Power at rated PTO speed113.7 kWReference

Dimensions

Wheelbase293 cmReference

Weight14500 to 16960 poundsReference

Front tire18.4-34Reference

Rear tire18.4-34Reference

Ag front18.4-34Reference

Ag rear18.4-34Reference

Ag front18.4-38Reference

Ag front20.8-34Reference

Ag front23.1-30Reference

Ag front23.1-34Reference

Ag front15.5-38Reference

Ag rear18.4-38Reference

Ag rear20.8-34Reference

Ag rear23.1-30Reference

Ag rear23.1-34Reference

Ag rear15.5-38Reference

Length619 cmReference

Width204 cmReference

Height (cab)299 cmReference

Shipping weight6577 kgReference

Operating weight7693 kgReference

Ground clearance69 cmReference

Front axle80 mmReference

Rear axle80 mmReference

Front tread152 to 228 cmReference

Rear tread152 to 228 cmReference

4-150 Serial Numbers

Location:Left side of frameReference

1974246001Reference

1975246871Reference

1976262244Reference

1977275051Reference

1978275570Reference

FAQ: How to read a serial number table.Reference

Electrical

Charging systemalternatorReference

Charging amps55Reference

Batteries2Reference

Battery CCA625Reference

Battery volts12Reference

Test results

Diesel 18-speed 4WDMay 21 - 29, 1974Link: Nebraska Tractor Test 1159 fileReference

PTO performanceReference

Fuel use38.6 l/hourReference

Fuel use38.2 l/hourReference

Drawbar performanceReference

Gear 3-direct used for power test.Reference

Max pull7677 kgReference

Gear 1-OD used for pull test.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.

Partner tool · Free

Working out if you can afford this tractor?

YourIncomeCalculator.com — free, HMRC-aligned take-home pay, self-employment & VAT calculators. No sign-up.

Calculate your take-home pay

Recommended kit

Handy kit for owners

Popular tractor and farm accessories owners pick up for machines like this.

Disclosure: some links on this page are affiliate links. If you buy through them we may earn a small commission — at no extra cost to you. Learn more.