International Harvester 15-30 Specs ( 1917-1921 )
Overview
The International Harvester 15-30 is a standard-tread farm tractor produced between 1917 and 1921 in Milwaukee, Wisconsin, with a total production of 6,024 units. This two-wheel drive machine is equipped with an 11.4L 4-cylinder liquid-cooled kerosene engine and a 2-speed gear transmission. Physical specifications include a weight of 8,990 lbs and a height of 118 inches, utilizing steel wheels for both front and rear axles.
Ideal Applications
Tested Power Performance:
In Nebraska Tractor Test 24, the machine recorded a maximum belt power of 36.9 hp and a maximum drawbar pull of 4,990 lbs while operating at a rated 575 RPM.
Transmission and Drive Configuration:
The tractor utilizes a gear-type transmission providing two forward gears and one reverse gear, coupled with an open operator station that supports an optional four-post canopy.
Engine and Fluid Capacity:
The 692.7 ci horizontal valve-in-head engine is supported by a 160-quart coolant capacity and a 29-gallon fuel tank for kerosene operation.
Production
| Description | Standard-tread tractor |
|---|---|
| Factories | Milwaukee, Wisconsin, USA |
| Manufacturer | International Harvester |
| Total built | 6,024 |
Engine
| Engine type | International Harvester 11.4L 4-cyl kerosene |
|---|---|
| Fuel tank | 29 gal (109.8 L) |
| Bore/Stroke | 5.25x8.00 inches (133 x 203 mm) |
| Coolant capacity | 160 qts (151.4 L) |
| Description | International Harvester / kerosene / 4-cylinder / liquid-cooled horizontal valve-in-head |
| Displacement | 692.7 ci (11.4 L) |
| Rated RPM | 575 |
| Belt (claimed) | 30 hp (22.4 kW) |
| Belt (tested) | 36.9 hp (27.5 kW) |
| Drawbar (claimed) | 15 hp (11.2 kW) |
| Drawbar (tested) | 25.9 hp (19.3 kW) |
Transmission
| Gears | 2 forward and 1 reverse |
|---|---|
| Transmission type | 2-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. Four-post canopy available. |
|---|---|
| Drive type | Two-wheel drive |
Dimensions & Tires
| Height | 118 inches (299 cm) |
|---|---|
| Length | 140.5 inches (356 cm) |
| Weight | 8990 lbs (4077 kg) |
| Width | 85 inches (215 cm) |
| Front tire | 40x7 |
| Rear tire | 66x14 |
| Weight | 8990 lbs (4077 kg) |
| Ag front | 40x7 steel |
| Ag rear | 66x14 steel |
15-30 Serial Number Location
| Description | Serial number plate on the left fender of the Titan 15-30. |
|---|
15-30 Serial Numbers
| 1917 | TV101 |
|---|---|
| 1918 | TV477 / EC501 |
| 1919 | EC1366 |
| 1920 | EC3018 |
| 1921 | EC4086 |
| Description | FAQ: How to read a serial number table. |
| Final | EC4906 |
Nebraska Tractor Test 24
| Belt power (max) | 36.9 hp (27.5 kW) |
|---|---|
| Description | Kerosene 2WDJune 14 - 19, 1920Link: Nebraska Tractor Test 24 file / Drawbar performance / Gear 1 used for pull test. |
| Max power | 25.9 hp (19.3 kW) |
| Max pull | 4990 lbs (2263 kg) |