Skip to content
An independent tractor reference
TractorStack.

Find your tractor.

Menu ☰

Years in Production / 1974–1975

Allis-Chalmers

6040

Explore the specifications, hardware, and original references for the Allis-Chalmers 6040.

Allis-Chalmers 6040 · Illustration

Allis-Chalmers 6040 · Illustration

44hp

Engine estimate · from PTO

2WD Only

Drive

1974–1975

Production years

Allis-Chalmers

Manufacturer

6040 / 01

At a glance

Production

Utility tractor

Built in France

The Allis-Chalmers 160 was built by Renault. It was based on the model 421, but used a Perkins diesel in place of the MWM.

Distributor
Allis Chalmers
Manufacturer
Renault
Total Built
499
Original Price
$6,934

Mechanical

Two-wheel drive

Power steering

Differential mechanical dry disc brakes

Open operator station. Two-post fixed ROPS available.

Differential Lock
mechanical rear

Capacity

Fuel
12 gal45.4 L
Hydraulic System
7.25 gal27.4 L

Hydraulics

Type
open center
Capacity
7.25 gal27.4 L
Pressure
2300 psi158.6 bar
Pump Flow
6.7 gpm25.4 lpm
Total Flow
13.2 gpm50.0 lpm
Steering Flow
7.5 gpm28.4 lpm
Steering Press
1100 psi75.8 bar

Hitch

Rear Type
II
Control
lower-link draft sensing

Pto

Rear Pto
live
Clutch
dry disc
Rear Type
540 (1.375)
Engine Rpm
540@2160

Electrical

Ground
negative
Charging System
alternator
Battery Volts
12

6040 / 02

Under the hood

Engine Detail

Perkins 3.152

diesel

3-cylinder

liquid-cooled inline

Displacement
152.7 ci2.5 L
Bore Stroke
3.60x5.00 inches91 x 127 mm
Air Cleaner
paper element
Compression Ratio
18.5:1
Rated Rpm
2250
Idle Rpm
725-2475
Starter
electric
Starter Volts
12
Coolant Capacity
8 qts7.6 L
Fuel Type
diesel
Cylinders
3
Cooling
liquid-cooled inline
Oil Capacity
6.5 qts6.2 L
Oil Change
75 h

6040 / 03

Gears & controls

Transmission

Six gears, plus reverse, in two ranges. Gears 9 and 10 are synchronized and only available in high range.

Transmission Type
partial synchronized
Gears
10 forward and 2 reverse
Clutch
254mm dry disc
Oil Capacity
29 qts27.4 L

6040 / 04

Size. Stance. Footprint.

Dimensions

Length
128 in325 cm
Width
65 in165 cm
Height
62 in157 cm
Wheelbase
79 in200 cm
Front tread
48 in121 cm
Rear tread
50 in127 cm

Dimensions And Tires

Wheelbase
79 inches200 cm
Weight
4250 to 4680 pounds
Front Tire
6.00-16
Rear Tire
14.9-28

Tires And Tracks

Front Ag
6.00-16
Rear Ag
14.9-28

6040 / 05

Tractor Photos

Model illustration oldirongarage.com source ↗

See it in action

Videos

Watch Allis-Chalmers 6040 videos from their original YouTube creators.

6040 / 07

Tests (NTTL)

Nebraska Tractor Test 1028

Diesel 10-speed 2WDOctober 27 - November 4, 1969

PTO performance

Drawbar performance

Gear 3-high used for power test.

Gear 1-High used for pull test.

Id
1028
Power At Rated Engine Speed
40.36 hp30.1 kW
Fuel Use
2.7 gal/hour10.2 l/hour
Fuel Use
2.6 gal/hour9.8 l/hour
Fuel Use
2.8 gal/hour10.6 l/hour
Power At Rated Pto Speed
39.77 hp29.7 kW
Max Power
36.71 hp27.4 kW
Max Pull
4,569 lbs2072 kg

Allis-Chalmers 6040 · photo 1 / 1

Illustration of Allis-Chalmers 6040 on a farm

Model illustration oldirongarage.com source ↗