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Allis Chalmers 5040 vs Allis Chalmers 6040
Verdict: Allis Chalmers 5040 vs Allis Chalmers 6040
The Allis Chalmers 5040 and the Allis Chalmers 6040 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 4,250 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 1974). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Allis Chalmers
62
Fit score
Best match
Clear
Allis Chalmers
62
Fit score
Best match
Clear
Rated power
40 hp
40 hp
Confidence
40%
40%
Guide price
—
—
Overview
Distributor
Allis ChalmersReference
Allis ChalmersReference
Manufacturer
UTB/UniversalReference
RenaultReference
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 13.6-28 rear tires.Reference
Original price
$9,823Reference
$6,934Reference
Differential lock
mechanical rearReference
mechanical rearReference
Total built
—
499Reference
Variants
445
similar Long modelReference
—
5040
similar Allis Chalmers modelReference
—
Engine
Displacement
2.3 LReference
2.5 LReference
Bore/Stroke
95 x 110 mmReference
91 x 127 mmReference
Fuel system
direct injectionReference
—
Air cleaner
dryReference
paper elementReference
Pre-heating
thermostartReference
—
Compression
17:1Reference
18.5:1Reference
Rated RPM
2600 (late)Reference
2250Reference
Starter volts
12Reference
12Reference
Oil capacity
18.0 LReference
27.4 LReference
Coolant capacity
13.2 LReference
7.6 LReference
Drawbar (claimed)
—
27.4 kWReference
Drawbar (tested)
—
27.4 kWReference
Idle RPM
—
725-2475Reference
Starter
—
electricReference
Oil change
—
75 hReference
Power at rated engine speed
—
30.1 kWReference
Max power
—
27.4 kWReference
Transmission
Gears
12 forward and 3 reverseReference
10 forward and 2 reverseReference
Clutch
279mm dry discReference
254mm dry discReference
PTO & Hydraulics
PTO (claimed)
29.8 kWReference
30.1 kWReference
Hydraulic system
18.0 LReference
27.4 LReference
Type
creeperReference
partial synchronizedReference
Capacity
18.0 LReference
27.4 LReference
Valves
1Reference
—
Total flow
23.6 lpmReference
50.0 lpmReference
Rear Type
II/IReference
IIReference
Control
position control and top-link draft sensingReference
lower-link draft sensingReference
Rear lift
1199 kgReference
—
Rear PTO
independentReference
liveReference
Rear PTO Type
540 (1.375)Reference
540 (1.375)Reference
Engine RPM
540@1970Reference
540@2160Reference
PTO (tested)
—
30.1 kWReference
Pressure
—
158.6 barReference
Pump flow
—
25.4 lpmReference
Steering flow
—
28.4 lpmReference
Steering press.
—
75.8 barReference
Power at rated PTO speed
—
29.7 kWReference
Capacities
Fuel
53.9 LReference
45.4 LReference
Dimensions
Wheelbase
188 cmReference
200 cmReference
Weight
1746 kgReference
4250 to 4680 poundsReference
Front tire
6.00-16Reference
6.00-16Reference
Rear tire
13.6-28Reference
14.9-28Reference
Ag front
6.00-16Reference
6.00-16Reference
Ag rear
13.6-28Reference
14.9-28Reference
Length
294 cmReference
325 cmReference
Width
154 cmReference
165 cmReference
Shipping weight
1746 kgReference
—
Clearance (front axle)
46 cmReference
40 cmReference
Clearance (rear axle)
50 cmReference
53 cmReference
Front tread
129 to 198 cmReference
121 to 190 cmReference
Rear tread
132 to 190 cmReference
127 to 198 cmReference
Steering wheel
148 cmReference
157 cmReference
Shipping
—
1927 kgReference
Operating
—
2122 kgReference
Ballasted
—
2753 kgReference
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
alternatorReference
Charging amps
30Reference
—
Battery volts
12Reference
12Reference
Ground
—
negativeReference
Allis Chalmers 5040 Height
Hood
134 cmReference
136 cmReference
Exhaust
194 cmReference
213 cmReference
Speeds
6040 Serial Numbers
Location:
—
Serial number plate on the right-front of the fuel tank, under the hood.Reference
Allis Chalmers 6040 Height
Test results
Fuel use
—
10.6 l/hourReference
Max pull
—
2072 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.