Allis Chalmers 7040 tractor specifications

1975 - 1977

Production

Production Manufacturer:Allis Chalmers
Factory:West Allis, Wisconsin, USA
Original price:$24,550

Allis Chalmers 7040 Power

Allis Chalmers 7040 Power Drawbar (claimed):117 hp
87.2 kW
PTO (claimed):136 hp
101.4 kW
Drawbar (tested):114.34 hp
85.3 kW
PTO (tested):136.49 hp
101.8 kW
power test details ...

1975 - 1977

Nebraska Tractor Test 1166

Nebraska Tractor Test 1166
Diesel Power Director 2WD October 29 - November 7, 1974 Link: Nebraska Tractor Test 1166 file
PTO performance
Power at rated engine speed:	136.49 hp 101.8 kW
Fuel use:	9.0 gal/hour 34.1 l/hour
Power at rated PTO speed:	136.26 hp 101.6 kW
Fuel use:	9.0 gal/hour 34.1 l/hour
Drawbar performance
Max power:	114.23 hp 85.2 kW
Fuel use:	8.8 gal/hour 33.3 l/hour
Gear 4SL used for power test.
Max pull:	13,619 lbs 6177 kg
Gear 2SL used for pull test.

Nebraska Tractor Test 1196

Nebraska Tractor Test 1196
Diesel power shift 2WD November 3 - 20, 1975 Link: Nebraska Tractor Test 1196 file
PTO performance
Power at rated engine speed:	136.30 hp 101.6 kW
Fuel use:	8.9 gal/hour 33.7 l/hour
Power at rated PTO speed:	136.15 hp 101.5 kW
Fuel use:	8.8 gal/hour 33.3 l/hour
Drawbar performance
Max power:	114.34 hp 85.3 kW
Fuel use:	8.8 gal/hour 33.3 l/hour
Gear 1H used for power test.
Max pull:	13,547 lbs 6144 kg
Gear 2L used for pull test.

Allis Chalmers 7040 Engine

Allis Chalmers 7040 Engine Allis Chalmers 7.0L 6-cyl diesel Engine details ...

1975 - 1977

Engine Detail

Engine Detail
Allis Chalmers 3500 Mark II
turbocharged diesel
6-cylinder
liquid-cooled
Displacement:	426 ci 7.0 L
Bore/Stroke:	4.25x5.00 inches 108 x 127 mm
Pre-heating:	ether
	coolant heater (optional)
Compression:	16:1
Rated RPM:	2300
Starter volts:	12
Oil capacity:	19 qts 18.0 L
Coolant capacity:	31 qts 29.3 L

Mechanical

Mechanical Chassis:4x2 2WD
Differential lock:power standard
Steering:hydrostatic power
Brakes:differential hydraulic wet disc
Cab:Acousta cab standard with heater, air-conditioning optional. Optional radio and 8-track tape player. Four-post ROPS canopy optional.
Transmissions:20-speed partial power shift
12-speed partial power shift
Transmission details ...

1975 - 1977

Transmissions overview

Transmissions overview
20-speed partial power shift
12-speed partial power shift

Transmission

Transmission
Transmission:	Power Director
Type:	partial power shift
Gears:	20 forward and 4 reverse
Five gears, plus reverse, with two ranges (fast/slow) and high-low power shift. Floor-mounted shifter selects gear, side-console lever selects range. Foot-operated buttons control the Power Director power shift.

Speeds

Speeds
With 18.4x38 rear tires.

Transmission

Transmission
Transmission:	Power Shift
Type:	partial power shift
Gears:	12 forward and 2 reverse
Six gears in two ranges (slow/fast). Clutchless power shift between gears.

Speeds

Speeds
With 18.4x38 rear tires.

Capacity

Capacity Fuel:51 gal
193.0 L
13 gal
49.2 L (optional tank)
Hydraulic system:24.1 gal
91.2 L

Hydraulics

Hydraulics Type:closed center
Capacity:24.1 gal
91.2 L
Valves:2 or 3
Pump flow:22 gpm
83.3 lpm
Total flow:45 gpm
170.3 lpm

Tractor hitch

Tractor hitch Rear Type:III/II

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:540/1000
1000 (optional)

Dimensions & Tires

Dimensions & Tires Wheelbase:106 inches
269 cm
Weight:11,700 lbs
5307 kg
Front tire:11.00-16
Rear tire:18.4-38
Full dimensions and tires ...

1975 - 1977

Allis Chalmers 7040 Tires

Allis Chalmers 7040 Tires
Ag front:	11.00-16
Ag rear:	18.4-38
Ag front:	10.00-16
	14L-16.1
Ag rear:	20.8-38
	23.1-34
	24.5-32
	30.5-32
	15.5-38
	16.9-38

Dimensions

Dimensions
Wheelbase:	106 inches 269 cm
Length:	173.6 inches 440 cm
Width:	95.5 inches 242 cm
	119.5 inches 303 cm (long axle)
Operating weight:	11,700 lbs 5307 kg
Ballasted weight:	17,380 lbs 7883 kg
Clearance (front axle):	22.4 inches 56 cm
Clearance (rear axle):	28 inches 71 cm
Front tread:	62 to 88 inches 157 to 223 cm
Rear tread:	64 to 91 inches 162 to 231 cm