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 listed engine power is Diesel (net): 230 hp / 171.5 kW. Transmission: 8 forward and reverse. Drive type: crawler. Operating weight: 45550 lbs 20661 kg.
Engine Power
Diesel (net): 230 hp / 171.5 kW
Drive & Traction
crawler
Fuel & Capacities
136.9 gal
518.2 L
Transmission
8 forward and reverse
Operating Weight
45550 lbs
20661 kg
Overview
 | 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
Recommended Implements & Sizing Guide
Engineering recommendations for International Harvester TD-25 Series 250 based on its 230 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁 | Commercial / Field Scale | High horsepower articulated/4WD field plowing. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙 | Commercial / Field Scale | Broad-acre grain tillage for high-drawbar tractors. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for International Harvester TD-25 Series 250.
Estimated Continuous Field Runtime: 11.4 hrs
Approximately 11.4 hours of continuous field operation at ~75% rated power on a full tank (136.9 gal / 518.2 L).
Estimated 75% Load Fuel Burn~12 gal/hr (45.3 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
International Harvester TD-25 Series 250 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for International Harvester TD-25 Series 250.
Converted Equivalents:
Horsepower (HP)230 hp
Kilowatts (kW)171.5 kW
Metric Horsepower (PS / CV)233.2 PS
Direct Competitor Comparison
Compare International Harvester TD-25 Series 250 against same-era industry alternatives in the same horsepower class.
Current Model
International Harvester
International Harvester TD-25 Series 250
Engine Power:Diesel (net): 230 hp / 171.5 kW
★ Baseline Reference
Related models
International Harvester 3788
- Power:
- 189.5
- Production years:
- 1980 - 1981
International Harvester 6788
- Power:
- 200
- Production years:
- 1981 - 1984
International Harvester 5488
- Power:
- 205.6
- Production years:
- 1981 - 1985
International Harvester 7288
- Power:
- 210
- Production years:
- 1985 - 1985
International Harvester 4366
- Power:
- 225
- Production years:
- 1973 - 1976