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Allis Chalmers WD45

Allis Chalmers WD45 tractor photo
1953 - 1957
Row-Crop tractor
Previous model:Allis Chalmers WD
Next model:Allis Chalmers D17

The WD45 was the first Allis-Chalmers tractor available with power steering. The diesel engine became available after Allis-Chalmers acquired Buda, and put the 6BD-230 engine in the tractor. The WD45 is considered by many to be one of the most important tractors built by Allis-Chalmers. At the time, it was the most powerful tractor for its size.


Manufacturer:Allis Chalmers
Factory:West Allis, Wisconsin, USA
Total built:90,382 (total)
 83,536 (gasoline)
 6,509 (diesel)
Original price (USD)
   $2,400 (1956 )

Allis Chalmers WD45 Engines:

   Allis-Chalmers 3.7L 4-cyl gasoline
   Allis-Chalmers 3.7L 4-cyl tractor fuel
   Allis-Chalmers 3.7L 4-cyl LP gas
   Allis-Chalmers 3.8L 6-cyl diesel
full engine details ...


Fuel:15 gal [56.8 L]
Hydraulic system:1.5 gal [5.7 L]

Rear Hitch:


Power Take-off (PTO):

Rear PTO:live
Clutch:254mm dry disc
Rear RPM:540

Dimensions & Tires:

Wheelbase:88 inches [223 cm]
Weight:3995 to 4285 pounds
Front tire:5.50-16
Rear tire:12-28
full dimensions and tires ...

WD45 Serial Numbers:

Location:left brake housing
1953: 146607
1954: 160386
1955: 190993
1956: 217992
1957: 230295

how to read serial numbers...


Allis Chalmers WD45 Power:

Drawbar (claimed):23 hp [17.2 kW]
 30 hp [22.4 kW]
Belt (claimed):29 hp [21.6 kW]
 39 hp [29.1 kW]
Drawbar (tested):39.50 hp [29.5 kW]
Belt (tested):44.13 hp [32.9 kW]
power test details ...


Chassis:4x2 2WD
 power*Power steering became available in 1956.
Brakes:mechanical band
Cab:Open operator station. Optional Allis-Chalmers Half Cab with windshield and vinyl sides.


Capacity:1.5 gal [5.7 L]
Oil type:
45oF [7oC] : SAE20W
45oF [7oC] : SAE10W


Belt Pulley:

Diameter:9 inches [22 cm]
Width:6.5 inches [16 cm]




Gas Number:1
Diesel Number:2

Page information:

Last update:September 13, 2018
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