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White 4-150 Field Boss vs White 6144

Verdict: White 4-150 Field Boss vs White 6144

The White 4-150 Field Boss and the White 6144 are both tractors — here is how they stack up on the figures that matter. White 4-150 Field Boss leads on rated power with 152 hp against 143 hp. White 6144 is the lighter machine (6,740 kg vs 14,500 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. White 4-150 Field Boss holds more fuel (355.8 L vs 287.7 L) for longer stints between fills. White 6144 is the newer design (1994 vs 1974). In short: choose the White 4-150 Field Boss for outright pulling power, or the White 6144 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
White 4-150 Field Boss Tractor
White
85
Fit score
Best match
Clear
White 6144 Tractor
White
85
Fit score
Best match
Clear
Rated power
152 hp
143 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
WhiteReference
White (a part of AGCO)Reference
Six forward and two reverse gears with powershift between direct-, over-, and under-drive in each gear.Reference
Eight-speed transmission coupled with a four-speed power shift and mechanical shuttle.Reference
Engine
Fuel tank
355.8 LReference
287.7 LReference
Drawbar (tested)
93.8 kWReference
94.7 kWReference
Displacement
10.4 LReference
5.9 LReference
Bore/Stroke
114 x 127 mmReference
102 x 120 mmReference
Compression
16.5:1Reference
16.5:1Reference
Rated RPM
2800Reference
2200Reference
Starter volts
12Reference
12Reference
Power at rated engine speed
113.2 kWReference
106.3 kWReference
Max power
93.8 kWReference
94.7 kWReference
Fuel system
direct injectionReference
Air cleaner
two paper elementsReference
Transmission
Transmission
Hydraul-ShiftReference
QuadrashiftReference
Gears
18 forward and 6 reverseReference
32 forward and reverseReference
Clutch
dry discReference
dual dry discReference
PTO & Hydraulics
PTO (claimed)
113.3 kWReference
106.6 kWReference
PTO (tested)
113.2 kWReference
106.3 kWReference
Type
partial powershiftReference
partial power shiftReference
Pressure
151.7 barReference
Pump flow
75.7 lpmReference
102.2 lpmReference
Rear Type
III/IIReference
II/IIIReference
Rear lift
2721 kgReference
4717 kgReference
Rear PTO
independentReference
independentReference
Rear PTO Type
1000Reference
540/1000Reference
Power at rated PTO speed
113.7 kWReference
107.6 kWReference
Valves
3Reference
Dimensions
Wheelbase
293 cmReference
292 cmReference
Weight
14500 to 16960 poundsReference
6740 kgReference
Front tire
18.4-34Reference
10.00-16Reference
Rear tire
18.4-34Reference
18.4R38DReference
Ag front
15.5-38Reference
10.00-16Reference
Ag rear
15.5-38Reference
18.4R38DReference
Length
619 cmReference
Width
204 cmReference
Height (cab)
299 cmReference
Shipping weight
6577 kgReference
Operating weight
7693 kgReference
6740 kgReference
Ground clearance
69 cmReference
Front axle
80 mmReference
Rear axle
80 mmReference
Front tread
152 to 228 cmReference
Rear tread
152 to 228 cmReference
Ballasted weight
7930 kgReference
4-150 Serial Numbers
1974
246001Reference
1975
246871Reference
1976
262244Reference
1977
275051Reference
1978
275570Reference
Location:
Left side of frameReference
Electrical
Charging system
alternatorReference
Charging amps
55Reference
Batteries
2Reference
Battery CCA
625Reference
Battery volts
12Reference
12Reference
Ground
negativeReference
Test results
Fuel use
38.2 l/hourReference
30.3 l/hourReference
Max pull
7677 kgReference
6999 kgReference
Variants
6144
32-speed QuadrashiftReference
6145
18-speed Funk power shiftReference
6144 Serial Numbers
1994
645001Reference
1995
645501Reference
1996
646301Reference
1997
646411Reference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.

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