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Allis Chalmers D21 Specs, Weight, Price & Review

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Allis Chalmers D21 Price

1964 ALLIS-CHALMERS D21 Price:USD $29,900

1963 ALLIS-CHALMERS D21 Price:USD $24,500

Allis Chalmers D21 Weight

4,310 kg (9,502 lbs)

Allis Chalmers D21 Engine oil capacity

196.8 litres (52 US gal.; 43.3 Imp. gal)

Allis Chalmers D21 Horsepower

122.7 PS (90.2 kW; 121.0 HP) at 2,200 pm

Allis Chalmers D21 Model 

1963 – 1969

Allis Chalmers D21 Serial Numbers

1963 100 (Series I)
1964 1417 (Series I)
1965 2079 (Series I)
Final 2129 (Series I)
1965 2130 (Series II)
1966 2408 (Series II)
1967 2863 (Series II)
1968 3777 (Series II)
1969 4498 (Series II)
Final 4609 (Series II)

Allis Chalmers D21 Specs 

General Specifications

Model Allis Chalmers D21
Length 4,070 mm (160.2 in)
Width 2,320 mm (91.3 in)
Height 2,700 mm (106.3 in)
Wheelbase 2,440 mm (96.1 in)
Weight 4,310 kg (9,502 lbs)
Fuel tank capacity 196.8 litres (52 US gal.; 43.3 Imp. gal)
Battery Two or four 12V, 95Ah
Cabin type Open operator station


Engine model Allis Chalmers 3500
Engine type Four-stroke, liquid-cooled, inline
Cylinders 6
Fuel type Diesel
Displacement 7.0 L, 6,980 cm2, (426.0 cu·in)
Bore and stroke 108.0 mm X 127.0 mm (4.25 in X 5 in)
Compression ratio 16.0:1
Horsepower 122.7 PS (90.2 kW; 121.0 HP) at 2,200 rpm
Starter Electric
Oil capacity: 14.2 L (15 US. qt, 12.5 Imp. qt.)
Coolant capacity: 29.3 L (31 US. qt, 25.8 Imp. qt.)

Transmission and chassis

Chassis 4×2 2WD
Steering type Power
Brakes Band actuated disc
Transmission model Power Director
Transmission type Sliding gear with dry disc clutch
Gears 8 forward and 2 reverse
Speed Forward: 26.0 km (16.2 mph) Reverse: 11.0 (6.8 mph)
Transmission oil capacity 64.4 L (17 US. gal, 14.2 Imp. gal.)


Front tires Ag: 7.50×20
Rear tires Ag: 18.4×34

PTO (Power take-off shaft)

Rear PTO type Independent
Rear PTO speed 1,000 rpm

Allis Chalmers D21 Review

The Allis Chalmers D21 is a row crop tractor that was manufactured between 1963 and 1965. It was the largest model in the Allis Chalmers D series and the first one to exceed 100 horsepower. The D21 was equipped with a 7.0-liter, six-cylinder gasoline engine that could generate 103 horsepower at 2,600 RPM. It came with a four-speed manual transmission and a two-wheel drive system.

For more details check out the YouTube video

Allis Chalmers D21 FAQ

Here are some D21 tractor FAQs:

What’s the D21’s horsepower?

The D21 has 85 hp.

Allis Chalmers D21 gasoline capacity?

The D21 has a 40.4-gallon gasoline capacity.

What’s the D21’s weight?

It weighs 6,690 pounds.

What’s the D21’s tyre size?

The D21 has 12.4-38 tyres.

Has Allis Chalmers D21 warranty?

Standard manufacturer’s warranty for Allis Chalmers D21 tractors. The warranty terms vary by tractor year and purchasing location.


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