- Rigid chassis
- WhichTractor size: Standard-size
- No lab test on file
- 1967–1969
- 1,220 built
It sits on the standard-size/high-power boundary, so either size is a fair description. WhichTractor size, not the maker’s category
Derived by WhichTractor from a sourced three-point linkage. How we decide what a machine is
International Harvester 1256 specs: hp, weight, years
INTERNATIONAL HARVESTER DT-407 six-cylinder diesel. The manufacturer claimed 116.4 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.
Engine power, claimed · gross or net not stated
116.4 hp
86.8 kW as stated by the source
No lab test on file
Claimed · standard not stated by the source
Source · Traktorenlexikon, “IHC 1256”, claimed
This is the maker’s own figure, measured at the engine. Power at the PTO is lower — by how much, for this machine, nobody has measured.
- Weight
- 10,406 lb
- Top speed
- 18.6 mph
International Harvester 1256 specs: key facts
The International Harvester 1256 was built from 1967 to 1969.
The International Harvester 1256 has a claimed engine power (gross or net not stated) of 86.8 kW (116.4 hp); it has no measured PTO figure.
The International Harvester 1256 was offered in two-wheel-drive and four-wheel-drive versions.
The International Harvester 1256 has a INTERNATIONAL HARVESTER DT-407 engine, a 6-cylinder 6.67 L diesel unit.Source 1
The International Harvester 1256 weighs 4,720 kg (10,406 lb) unladen.
The International Harvester 1256 has a rear PTO running at 1000 rpm.
Source · Traktorenlexikon, “IHC 1256”
How does the 1256 compare with its class?
- Limitation:
Eight forward gears is low for its class — 50% below the median of 16 across the 236 machines within 10% of its power that hold this figure.
- Limitation:
The power figure is a manufacturer claim, not a measurement. No laboratory test report exists for this machine. Of the 261 tractors within 10% of its power, 11% carry one.
Derived by WhichTractor from 261 comparable records. How we work this out
How much horsepower does a 1256 have?
The only figure for the 1256 is 116.4 hp (86.8 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.
Source · Traktorenlexikon, “IHC 1256”
What engine is in a 1256?
A 1256 has an INTERNATIONAL HARVESTER DT-407, a 6-cylinder 6.67 L diesel engine.
| Make & model | INTERNATIONAL HARVESTER DT-407 |
|---|---|
| Cylinders | 6, liquid-cooledSource 2 |
| Displacement | 406.9 ci · 6.67 L |
| Electrical system | 12 VSource 2 |
Source · Traktorenlexikon, “IHC 1026”
How much will a 1256 lift?
Hydraulic and PTO specifications for the 1256 are below.
| Rear PTO | 1000 rpm |
|---|
Source · Traktorenlexikon, “IHC 1256”
What transmission does a 1256 have?
Transmission specifications for the 1256 are below.
| Steering | Hydraulic steering |
|---|---|
| Top speed | 18.6 mph · 30 km/h |
Source · Traktorenlexikon, “IHC 1256”
How much does a 1256 weigh?
A 1256 weighs 10,406 lb (4,720 kg) unladen.
| Unladen weight | 10,406 lb · 4,720 kg |
|---|---|
| Wheelbase | 92.0 in · 2,337 mmF: 2,662 |
| Length | 164.0 in · 4,166 mm |
| Width | 92.0 in · 2,337 mm |
| Height | 86.0 in · 2,184 mm |
| Ground clearance | 23.5 in · 597 mm |
| Front track | 50.0–74.0 in · 1,270–1,880 mm |
| Rear track | 56.0–94.0 in · 1,422–2,388 mm |
Source · Traktorenlexikon, “IHC 1256”
What oil does a 1256 take, and how much?
A 1256 engine takes 11.0 qt (10.4 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.
| System | Capacity |
|---|---|
| Engine oil | 11.0 qt · 10.4 LSource: Traktorenlexikon, “IHC 1256” · single source, not independently verified |
| Transmission | 68.1 qt · 64.4 LSource: Traktorenlexikon, “IHC 1256” · single source, not independently verified |
| Transmission & hydraulic | 68.1 qt · 64.4 LSource: Traktorenlexikon, “IHC 1256” · single source, not independently verified |
| Cooling system | 24.0 qt · 22.7 LSource: Traktorenlexikon, “IHC 1256” · single source, not independently verified |
Always confirm against the operator’s manual for your machine before service.
Which tractors compare with a 1256?
Within 10% of its 113.3 hp at the PTO as the maker claimed it, with no laboratory test on file, the same type, and first built within 15 years of it.
- IMT 5130/5136112.9 hp PTO, claimed · 1982–1992Side by side with the 1256 →
- International Harvester 1246113.9 hp PTO, claimed · 1972–1979Side by side with the 1256 →
- International Harvester 3688112.4 hp PTO, claimed · 1981–1985Side by side with the 1256 →
- International Harvester Farmall 1066112.1 hp PTO, claimed · 1971–1976Side by side with the 1256 →
- Fiat 1300 DT115 hp PTO, claimed · 1973–1976Side by side with the 1256 →
- Fiat 1300 (DT)115.4 hp PTO, claimed · 1974–1977Side by side with the 1256 →
Common questions about the International Harvester 1256
Is a 1256 two-wheel drive or four-wheel drive?
The International Harvester 1256 was offered in two-wheel-drive and four-wheel-drive versions.
What PTO does a 1256 have?
A 1256 has a 1000 rpm rear PTO.
Sources and how this page was built
Compiled from Traktorenlexikon, “IHC 1026”; and Traktorenlexikon, “IHC 1256”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: IHC 1026 — CC BY-SA 4.0, WIKIBOOKS-TL-118758 · revision 1055405. Wikibooks contributors (Traktorenlexikon). Original document
- Traktorenlexikon: IHC 1256 — CC BY-SA 4.0, WIKIBOOKS-TL-118784 · revision 1055410. Wikibooks contributors (Traktorenlexikon). Original document