In its first year of production, the WD45 featured the same general design similar to the WD tractor, which was made prior to it but was more robust.

The reason for this was the brand new 4-cylinder “Power Crater” gasoline engine that had a 4×4 1/2 inches bore, stroke, and.

Many believe that it was one of the most powerful tractors produced by Allis-Chalmers at the time. It was the only tractor in its weight and power class that could rival its capabilities.

In 1954, they introduced the WD45, which came with the brand new “Snap-Coupler” system for hooking up to the implementation.

It was basically a funnel placed under the back of the tractor, which directed the implement tongue into the latch that was spring-loaded.

The operator just backed up to the handle and was able to hear a “snap” of the coupler and then secured the lift links and went off into the field, never getting out of the tractor seat.

In 1956 the WD45 was the first model to be in the AC line with power steering. This feature was well-liked by both farmers and dealers.

The tractor was offered with adjustable axles and dual-front and single front-wheel models. The last WD45 model was manufactured in 1957, having made 90,382 tractors (gas model and diesel). In 1956, a gas duel-front WD45 was listed at a price of $2,380.

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Allis Chalmers wd45

Allis Chalmers wd45 Price

Original Price: $2,400 (1956)

Allis Chalmers wd45 Serial Number

WD45 Serial Numbers
Location: left brake housing
1953 146607
1954 160386
1955 190993
1956 217992
1957 230295

Allis Chalmers wd45 Specification

General Specifications

Model Allis Chalmers WD45
Length 3,250 mm (128.0 in)
Height 2,070 mm (81.5 in)
Wheelbase 2,230 mm (87.8 in)
Weight 1,810 kg (3,990 lbs)
Fuel tank capacity 56.8 liters (15 US gal.; 12.5 Imp. gal)
Battery 6V, CCA:115 (Gas: one, diesel: two)
Cabin type Open operator station. Allis-Chalmers Half Cab (option)


Engine model Allis-Chalmers WD45
Engine type Four-stroke, liquid-cooled, inline
Cylinders 4
Fuel type Gasoline
Displacement 3.7 L, 3704 cm2, (226 cu·in)
Bore and stroke 102.0 mm X 114.0 mm (4.02 in X 4.49 in)
Compression ratio Gasoline: 6.45:1
LP gas: 7.2:1
Torque 390.5 N·m (39.8 kg·m, 287.8 ft·lb)
Starter Electric
Spark plug gap 0.76 mm (0.030 in)

Transmission and chassis

Chassis 4×2 2WD
Steering type Manual or power (option)
Brakes Mechanical band
Transmission model
Transmission type Sliding gear with wet disc clutch
Gears 4 forward and 1 reverse
Speed Forward: 18.0 kmh (11.2 mph) Reverse: 5.2 (3.2 mph)
Transmission oil capacity 16.0 L (4.2 US. gal, 3.5 Imp. gal.)


Front tires Ag: 5.50-16
Rear tires Ag: 12-28, 13-28


Rear hitch Snap-Coupler

PTO (Power take-off shaft)

Rear PTO type Live
Rear PTO speed 540 rpm

Allis Chalmers wd45 Horsepower

Chalmers wd45 has Allis-Chalmers WD45D Four-stroke, liquid-cooled, inline engine that produces 44.13 hp 32.9 kW.

Final Word

I hope that you have gotten all the information that you’ve been searching online for. Additionally, I hope that you had fun reading the article.

If you have any questions or concerns, you are welcome to leave a comment in the comment box.

I will get back to you as quickly as I can. Thank you for your time I hope you will stay with me for more posts similar to this.

Allis Chalmers wd45 FAQ

How much horsepower does a WD45 have?

Chalmers wd45 has Allis-Chalmers WD45D Four-stroke, liquid-cooled, inline engine that produces 44.13 hp 32.9 kW.

What year did the Allis-Chalmers WD45 come out?

The “WD45.” In 1953, John Deere and IH were launching tractor models with more than 40 horsepower, and Allis-Chalmers needed to react.

They came out with the “WD45” with 30 to 39 HP in the drawbar. The increased power brought it into the class of four-plow and the tractor was sold very well.

Is the Allis-Chalmers WD45 gas or diesel?

Allis-Chalmers was the first company to adopt diesel power in the month of October 1954, when they launched the diesel tractor WD-45.

The WD line was first introduced in 1948 and, after major improvements, evolved into the WD-45 line later in 1953.

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