Allis Chalmers HD19

The Allis Chalmers HD19 is a tractor produced by Allis Chalmers. It is equipped with a 426 ci 7.0 L engine. Transmission: 2 forward and 1 reverse. Drive type: crawler. Operating weight: 40395 lbs 18323 kg.

Overview

	1947 - 1950 Agricultural Crawler tractor

Production
Manufacturer	Allis Chalmers
Agricultural Crawler tractor
Built in Springfield, Illinois, USA
Total built	2650

Allis Chalmers HD19 Engine
General Motors 7.0L 6-cyl diesel
Fuel tank	109 gal 412.6 L
Engine details ...

Allis Chalmers HD19 Transmission
2-speed torque converter
Transmission details ...

Allis Chalmers HD19 Power
Drawbar (claimed)	111 hp 82.8 kW
Belt (claimed)	129 hp 96.2 kW
Drawbar (tested)	110.73 hp 82.6 kW
Belt (tested)	129.08 hp 96.3 kW
Performance test details ...

Mechanical
Drive	crawler
Power steering
Open operator station.

Dimensions & Tracks
Weight	40395 lbs 18323 kg
Tracks
Full dimensions and tracks ...

Electrical
Charging system	generator
Batteries	2
Battery volts	6

Engine

Engine Detail — 426 ci / 7.0 L Diesel

Manufacturer	General Motors
Configuration	6-cylinder, liquid-cooled 2-cycle vertical I-head
blower diesel
Displacement	426 ci 7.0 L
Bore/Stroke	4.25x5.00 inches 108 x 127 mm
Air cleaner	oil bath
Compression	16.0:1
Rated RPM	1750
Starter volts	12
Coolant capacity	44 qts 41.6 L

Transmission

Transmission — 2 forward and 1 reverse torque converter

Type	torque converter
Gears	2 forward and 1 reverse

Dimensions

Allis Chalmers HD19 Tracks

Dimensions
Length	191 inches 485 cm
Width	109 inches 276 cm
Height	89 inches 226 cm
Weight	40395 lbs 18323 kg

Tests

Nebraska Tractor Test 397
Diesel 2-speed crawler July 2 - 16, 1948 Link: Nebraska Tractor Test 397 file
Belt power (max)	129.08 hp 96.3 kW
Belt fuel use (max)	11.7 gal/hour 44.3 l/hour
Drawbar performance
Max power	110.73 hp 82.6 kW
Max pull	37536 lbs 17026 kg

Photos

Allis Chalmers HD19