Allis Chalmers D21 Series I D Series Technical Specifications
Allis Chalmers D21 Series I is a Row-Crop tractor that was produced by the John Deere between 1963 – 1969.
Below you will find detailed technical specifications for Allis Chalmers D21 Series I covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.
Allis Chalmers D21 Series I Production
| Manufacturer: | |
| Manufacturer | Allis Chalmers |
| Row-Crop tractor | |
| Built in West Allis, Wisconsin, USA | |
| Total built | 1,129 |
| Original price was $5,700 in 1964 | |
| The D21 was the first Allis Chalmers tractor to have over 100 horsepower. The upgraded D21 II began at serial number 2201 in 1965. | |
| Engine: | 93.09 hp 69.4 kW |
| PTO (tested) | 103.06 hp 76.9 kW |
Allis Chalmers D21 Series I Electrical
| Ground | negative |
| Charging system | Delco-Remy generator |
| Charging amps | 32 |
| Batteries | 2 |
| 4 OptOptional | |
| Battery volts | 12 |
| Battery AH | 95 |
Allis Chalmers D21 Series I Mechanical
| Two-wheel drive | |
| Power steering | |
| Band actuated disc brakes | |
| Open operator station. |
Tracktor Hitch
| Rear Type | III/II |
Power Take-off (PTO)
| Rear PTO | independent |
| Rear RPM | 1000 |
Allis Chalmers D21 Series I Engine detail
| Engine Detail | |
| Allis Chalmers 3400 | |
| diesel | |
| 6-cylinder | |
| liquid-cooled | |
| Displacement | 426 ci 7.0 L |
| Bore/Stroke | 4.25×5.00 inches 108 x 127 mm |
| Power | 119 hp 88.7 kW |
| Air cleaner | dry |
| Compression | 16.0:1 |
| Rated RPM | 2200 |
| Firing order | 1-5-3-6-2-4 |
| Coolant capacity | 21 qts 19.9 L |
| Intake valve clearance | 0.015 inches*Hot 0.381 mm |
| Exhaust valve clearance | 0.015 inches*Hot 0.381 mm |
| Engine Oil | |
| Oil capacity | 12 qts 11.4 L |
Allis Chalmers D21 Series I Transmission overview
| Transmission | Power Director |
| Type | sliding gear |
| Gears | 8 forward and 2 reverse |
| Clutch | dry disc |
| Oil capacity | 68 qts*No PTO or hydraulics 64.4 L |
| 92 qts 87.1 L | |
| Transmission is controlled by means of a range control knob and a gear shift lever. The range knob is located below the steering wheel, pushing it forward puts the tractor in high range, pull it back engages low range. The gear shift selects one of four forward gears, or reverse. The tractor must be stopped and clutch used to change gears or range. | |
Allis Chalmers D21 Series I Dimensions
| Wheelbase | 96.1 inches 244 cm |
| Length | 160.6 inches 407 cm |
| Width | 91.6 inches 232 cm |
| Shipping weight | 9500 lbs 4309 kg |
| Ballasted weight | 11700 lbs 5307 kg |
| Clearance (front axle) | 21.3 inches 54 cm |
| Clearance (rear axle) | 26.75 inches 67 cm |
| Allis Chalmers D21 Height | |
| Steering wheel | 90.3 inches 229 cm |
| Hood | 71.75 inches 182 cm |
| Exhaust | 106.6 inches 270 cm |
Allis Chalmers D21 Series I Tests
| Nebraska Tractor Test 855 | |
| Diesel 8-speed 2WD October 15, 1963 – October 21, 1953 Link: Nebraska Tractor Test 855 file | |
| PTO performance | |
| Power at rated engine speed | 103.06 hp 76.9 kW |
| Fuel use | 7.1 gal/hour 26.9 l/hour |
| Drawbar performance | |
| Max power | 93.09 hp 69.4 kW |
| Fuel use | 7.1 gal/hour 26.9 l/hour |
| Gear 4 used for power test. | |
| Max pull | 14840 lbs 6731 kg |
| Gear 2 used for pull test. | |
FAQ
Is Allis Chalmers D21 Series I a good tractor?
The Allis Chalmers D21 Series I is one of the great tractors in the Allis Chalmers stable, and it has earned Allis Chalmers a fantastic reputation.
How much oil does a Allis Chalmers D21 Series I take?
Check out the Allis Chalmers D21 Series I oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.
Do tractors have VIN numbers?
Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.
What was the last year Allis Chalmers made the ?
The Allis Chalmers D21 Series I was an agricultural tractor model made from 1963 – 1969
How much horsepower is a Allis Chalmers D21 Series I?
The engine tested at 93.09 hp
69.4 kW drawbar and 103.06 hp
76.9 kW kW PTO horsepower.
How much does a Allis Chalmers D21 Series I tractor weight?
Depending on the engine type, the Allis Chalmers D21 Series I weight ranges from 9500 lbs
4309 kg .
How much can a Allis Chalmers D21 Series I Pull?
The max pulling capacity of the Allis Chalmers D21 Series I tractors starts at 14840 lbs
6731 kg but may be slightly higher depending on the trim.