International Harvester TD-25 Series 250

The International Harvester TD-25 Series 250 is a tractor produced by International Harvester. It is equipped with a 817 ci 13.4 L engine. The rated power output is 230 hp 171.5 kW. Transmission: 8 forward and reverse. Drive type: crawler. Operating weight: 45550 lbs 20661 kg.

Overview

	1959 - 1962 Agricultural Crawler tractor
1959 - 1962
Agricultural Crawler tractor

Production
Manufacturer	International Harvester
Agricultural Crawler tractor
Built in Melrose Park, Illinois, USA
Total built	529

International Harvester TD-25 Engine
International Harvester 13.4L 6-cyl diesel
Fuel tank	136.9 gal 518.2 L
Engine details ...

International Harvester TD-25 Transmission
8-speed two-speed power shift
Transmission details ...

International Harvester TD-25 Power
Engine (net)	230 hp 171.5 kW
Drawbar (claimed)	185 hp 138.0 kW
Drawbar (tested)	186.85 hp 139.3 kW
Performance test details ...

Mechanical
Drive	crawler
Open operator station.

Dimensions & Tracks
Weight	45550 lbs 20661 kg
24-inch tracks
Full dimensions and tracks ...

Electrical
Charging system	generator
Charging amps	15
Batteries	4
Battery volts	6
Battery AH	204

Engine

Engine Detail — 817 ci / 13.4 L Diesel

Manufacturer	International Harvester
Configuration	turbocharged diesel, 6-cylinder, liquid-cooled vertical L-head
Displacement	817 ci 13.4 L
Bore/Stroke	5.375x6.00 inches 137 x 152 mm
Power (net)	230 hp 171.5 kW
Fuel system	direct injection
Air cleaner	dry
Compression	15.35:1
Rated RPM	1500
Starter volts	24
Oil capacity	34 qts 32.2 L
Coolant capacity	74.5 qts 70.5 L

Transmission

Transmission — 8 forward and reverse two-speed power shift

Type	two-speed power shift
Gears	8 forward and reverse
Clutch	406.4mm dry disc
Oil capacity	192.2 qts 181.9 L

Dimensions

International Harvester TD-25 Tracks
Width	24 inches 60 cm

Dimensions
Length	196.875 inches 500 cm
Width	104 inches 264 cm
Height (hood)	97 inches 246 cm
Height (exhaust)	128.1 inches 325 cm
Operating weight	45550 lbs 20661 kg
Ground clearance	13.875 inches 35 cm
Clearance (drawbar)	20.5 inches 52 cm
Gauge	80 inches 203 cm

Tests

Nebraska Tractor Test 752
Diesel 8-speed crawler August 6 - 17, 1960 Link: Nebraska Tractor Test 752 file
Drawbar performance
Max power	186.85 hp 139.3 kW
Fuel use	13.1 gal/hour 49.6 l/hour
Gear 3 used for power test.
Max pull	47244 lbs 21429 kg
Gear 1 used for pull test.

Photos

International Harvester TD-25 Series 250 tractor photo