Allis Chalmers D19 Overview
The Allis Chalmers D19 is a 1961-1964 row-crop tractor with gasoline, turbocharged diesel, and LP-gas versions. Fuel type matters before comparing power figures or choosing service parts.
Nebraska Tests 810, 811, and 814 cover separate D19 gasoline, diesel, and LP-gas tractors. The PTO and drawbar numbers below stay attached to the report and fuel version that produced them.
Before ordering parts, verify the fuel setup, serial range, transmission, PTO equipment, and the serial plate location at the top of the rear axle below the seat.
Allis Chalmers D19 Quick Answers
- Production yearsThe Allis Chalmers D19 was produced from 1961 through 1964, with 10,591 units listed.
- PowerNebraska power varies by fuel: Test 810 gas 71.54 PTO/63.91 drawbar hp; Test 811 diesel 66.92/62.05; Test 814 LP-gas 66.19/58.29.
- EngineAll D19 fuel versions use a 262 ci six-cylinder; the diesel version is turbocharged.
- PTO and hitchThe rear PTO is live 540 (1.375), with Snap-Coupler equipment and a Category II hitch listing.
- WeightGas operating weight is 6,650 lb; diesel operating weight is 6,840 lb; the ballasted listing is 11,210 lb.
Engine and Power
D19 engine data centers on 262 ci six-cylinder fuel variants. Engine power varies by fuel: gasoline is listed at 85 engine hp, while diesel and LP-gas are listed at 80 engine hp.
Gasoline engine
Allis Chalmers G-262 / gasoline / 6-cylinder / liquid-cooled
| Displacement | 262 ci 4.3 L |
|---|---|
| Bore Stroke | 3.5625x4.375 inches 90 x 111 mm |
| Power | 85 hp 63.4 kW |
| Air Cleaner | dry with precleaner |
| Compression | 8.0:1 |
| Rated Rpm | 2000 |
| Idle Rpm | 375-2300 |
| Firing Order | 1-5-3-6-2-4 |
| Starter Volts | 12 |
Diesel engine
Allis-Chalmers D-262T / turbocharged diesel / 6-cylinder / liquid-cooled
| Displacement | 262 ci 4.3 L |
|---|---|
| Bore Stroke | 3.5625x4.375 inches 90 x 111 mm |
| Power | 80 hp 59.7 kW |
| Air Cleaner | dry with precleaner |
| Compression | 14.0:1 (early) |
| Rated Rpm | 2000 |
| Idle Rpm | 650-2300 |
| Firing Order | 1-5-3-6-2-4 |
| Starter Volts | 12 |
LP-gas engine
Allis-Chalmers / LP gas / 6-cylinder / liquid-cooled
| Displacement | 262 ci 4.3 L |
|---|---|
| Bore Stroke | 3.5625x4.375 inches 90 x 111 mm |
| Power | 80 hp 59.7 kW |
| Air Cleaner | dry with precleaner |
| Compression | 9.35:1 |
| Rated Rpm | 2000 |
| Idle Rpm | 375-2300 |
| Firing Order | 1-5-3-6-2-4 |
| Starter Volts | 12 |
Manufacturer
Manufacture years
Transmission
Power Director is the D19’s sliding-gear transmission with 8 forward and 2 reverse gears. This setup influences clutch behavior, speed selection, and parts compatibility for maintenance and ordering.
Power Director
| Name | Power Director |
|---|---|
| Type | sliding gear |
| Gears | 8 forward and 2 reverse |
PTO and Hitch
PTO and hitch specs center on a live 540 (1.375) rear PTO, Snap-Coupler equipment, and a Category II rear hitch. Tested PTO output varies by fuel: Test 810 gasoline, Test 811 diesel, and Test 814 LP-gas.
Rear PTO
Rear PTO type
Engine RPM
Rear hitch
Tires and Dimensions
Tire and dimension values can vary by wheel, axle, and configuration.
Configuration-specific values are split out where the same model has documented differences by engine, transmission, or equipment.
Wheelbase
Weight
Length
Width
Height
Front tire
Rear tire
Ag front
- 6.50x16
- 9.00x10 (single front)
Ag rear
- 15.5x38
- 16.9x34
Serial Number Lookup
Use the serial rows to narrow model year, then confirm prefixes and build details against the actual tractor. The serial plate is at the top of the rear axle below the seat.
1961
1962
1963
1964
location
Manuals and Documents
Manuals and test reports provide controls, service categories, parts matching, and performance context for the Allis Chalmers D19.
Match coverage carefully before relying on a document for service decisions, especially when a single manual, catalog, or report covers several models, fuel types, transmissions, or tractor variants.
Tractor test report
- Nebraska Test 810: Allis-Chalmers D-19 gasolinetested performance
Official Nebraska test report for the D-19 gasoline 8-speed test configuration, April 3-19, 1962.
Open test report - Nebraska Test 811: Allis-Chalmers D19 dieseltested performance
Official Nebraska test report for the D19 diesel 8-speed test configuration, April 3-18, 1962.
Open test report - Nebraska Test 814: Allis-Chalmers D19 LP-gastested performance
Official Nebraska test report for the D19 LP-gas 8-speed test configuration, April 9-19, 1962.
Open test report
Manual reprint
- Allis Chalmers D19 operator manual reprintoperation
Manual reprint for operating instructions, capacities, and maintenance procedure checks.
View manual reprint
Parts catalog
- Allis Chalmers D19 parts-book pointerparts matching
Dealer source pointing D19 users toward AGCO parts books and common service-part categories.
View parts source
Parts Checks Before Ordering
Do not order Allis Chalmers D19 parts from the model name alone. Match the part to the tractor's fuel type, serial/year, transmission, hydraulic setup, battery/electrical configuration, and service-part category before selecting parts.
Filters, fluids, belts, electrical parts, clutch/PTO parts, and hydraulic components vary by configuration. Exact part numbers require a parts catalog, manual, or trusted supplier to ensure correct fit.
Accuracy Note
Tractor specifications can vary by year, region, factory configuration, installed equipment, and later repairs. Match serial range, engine, transmission, PTO setup, and model code before ordering parts or doing service work.