Compare/Allis Chalmers 5040 vs Allis Chalmers WD45

Allis Chalmers 5040 vs Allis Chalmers WD45

Verdict: Allis Chalmers 5040 vs Allis Chalmers WD45

The Allis Chalmers 5040 and the Allis Chalmers WD45 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 40 hp. Allis Chalmers 5040 is the lighter machine (1,746 kg vs 3,995 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Allis Chalmers 5040 is the newer design (1976 vs 1953). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Allis Chalmers

Fit score

Best match

Clear

Allis Chalmers

Fit score

Best match

Clear

Rated power

40 hp

Confidence

40%

Guide price

—

Overview

Distributor

Allis ChalmersReference

—

Manufacturer

UTB/UniversalReference

Allis ChalmersReference

Adds an additional creeper range to the standard transmission. Creeper was available for either the 3-speed (early) or 4-speed (late) gearbox. On the early transmission, the third gear omitted.Reference

with 12x28 rear tires.Reference

Original price

$9,823Reference

—

Differential lock

mechanical rearReference

—

Total built

—

6,509 (diesel)Reference

Steering

—

powerReference

Variants

445

similar Long modelReference

—

5040

similar Allis Chalmers modelReference

—

Engine

Displacement

2.3 LReference

3.8 LReference

Bore/Stroke

95 x 110 mmReference

87 x 105 mmReference

Fuel system

direct injectionReference

—

Air cleaner

dryReference

oil bathReference

Pre-heating

thermostartReference

—

Compression

17:1Reference

15.5:1Reference

Rated RPM

2600 (late)Reference

1625Reference

Starter volts

12Reference

Oil capacity

18.0 LReference

16.1 LReference

Coolant capacity

13.2 LReference

16.1 LReference

Plows

—

4Reference

Drawbar (tested)

—

29.5 kWReference

Belt (tested)

—

32.9 kWReference

Torque

—

351.2 NmReference

Torque RPM

—

1169Reference

Firing order

—

1-5-3-6-2-4Reference

Sparkplug gap

—

0.762 mmReference

Point gap

—

0.508 mmReference

Intake valve clearance

—

0.254 mmReference

Exhaust valve clearance

—

0.483 mmReference

Belt power (max)

—

32.3 kWReference

Max power

—

29.5 kWReference

Transmission

Gears

12 forward and 3 reverseReference

4 forward and 1 reverseReference

Clutch

279mm dry discReference

178mm wet discReference

PTO & Hydraulics

PTO (claimed)

29.8 kWReference

—

Hydraulic system

18.0 LReference

5.7 LReference

Type

creeperReference

sliding gearReference

Capacity

18.0 LReference

5.7 LReference

Valves

1Reference

—

Total flow

23.6 lpmReference

—

Rear Type

II/IReference

—

Control

position control and top-link draft sensingReference

—

Rear lift

1199 kgReference

—

Rear PTO

independentReference

liveReference

Rear PTO Type

540 (1.375)Reference

Engine RPM

540@1970Reference

548@1400Reference

Oil type

—

SAE 80EPReference

45oF [7oC]↑

—

: SAE20WReference

45oF [7oC]↓

—

: SAE10WReference

Capacities

Fuel

53.9 LReference

56.8 LReference

Diameter

—

22 cmReference

RPM

—

1458Reference

Dimensions

Wheelbase

188 cmReference

223 cmReference

Weight

1746 kgReference

3995 to 4285 poundsReference

Front tire

6.00-16Reference

5.50-16Reference

Rear tire

13.6-28Reference

12-28Reference

Ag front

6.00-16Reference

5.50-16Reference

Ag rear

13.6-28Reference

13-28Reference

Length

294 cmReference

325 cmReference

Width

154 cmReference

16 cmReference

Shipping weight

1746 kgReference

—

Clearance (front axle)

46 cmReference

—

Clearance (rear axle)

50 cmReference

—

Front tread

129 to 198 cmReference

—

Rear tread

132 to 190 cmReference

141 to 228 cmReference

Steering wheel

148 cmReference

—

Height (steering wheel)

—

172 cmReference

Height (exhaust)

—

207 cmReference

Gas Weight

—

1812 kgReference

Diesel Weight

—

1943 kgReference

Ground clearance

—

73 cmReference

Allis Chalmers 5040 attachments

5040 Serial Number Location

5040 Serial Numbers

1976

408445Reference

—

1977

410364Reference

—

1978

462148Reference

—

1979

473000Reference

—

1980

474000Reference

—

Electrical

Charging system

alternatorReference

—

Charging amps

30Reference

—

Battery volts

12Reference

6Reference

Ground

—

positiveReference

Gas Batteries

—

1Reference

Diesel Batteries

—

2Reference

Battery AH

—

115Reference

Allis Chalmers 5040 Height

Hood

134 cmReference

—

Exhaust

194 cmReference

—

Speeds

WD45 Serial Numbers

1953

—

146607Reference

1954

—

160386Reference

1955

—

190993Reference

1956

—

217992Reference

1957

—

230295Reference

Location:

—

left brake housingReference

Test results

Belt fuel use (max)

—

11.7 l/hourReference

Max pull

—

2679 kgReference

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.