WhichTractor
  • Rigid chassis
  • WhichTractor size: High-power
  • No lab test on file
  • 1969–1971
  • 294 built

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 1456 specs: hp, weight, years

INTERNATIONAL HARVESTER DT-407 six-cylinder diesel. The manufacturer claimed 132.2 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

132.2 hp

98.6 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “IHC 1456”, 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
12,800 lb
Top speed
18.6 mph

International Harvester 1456 specs: key facts

  • The International Harvester 1456 was built from 1969 to 1971.

  • The International Harvester 1456 has a claimed engine power (gross or net not stated) of 98.6 kW (132.2 hp); it has no measured PTO figure.

  • The International Harvester 1456 was offered in two-wheel-drive and four-wheel-drive versions.

  • The International Harvester 1456 has a INTERNATIONAL HARVESTER DT-407 engine, a 6-cylinder 6.67 L diesel unit.Source 1

  • The International Harvester 1456 weighs 5,806 kg (12,800 lb) unladen.

  • The International Harvester 1456 has a rear PTO running at 1000 rpm.

Source · Traktorenlexikon, “IHC 1456”

How does the 1456 compare with its class?

  • Limitation:

    Eight forward gears is low for its class — 50% below the median of 16 across the 225 machines within 10% of its power that hold this figure.

  • Limitation:

    A 159 L fuel tank is low for its class — 31% below the median of 230 L across the 230 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 243 tractors within 10% of its power, 12% carry one.

Derived by WhichTractor from 243 comparable records. How we work this out

Illustration of the 1969–1971 International Harvester 1456, a 132 hp farm tractor, four-wheel-drive version, a drawing generated from its specification record
Illustration — not a photograph · four-wheel-drive version

How much horsepower does a 1456 have?

The only figure for the 1456 is 132.2 hp (98.6 kW) of claimed engine power, gross or net not stated, no test standard stated — not power at the shaft.

Engine, claimed (gross/net not stated)
132.2 hp

Source · Traktorenlexikon, “IHC 1456”

What engine is in a 1456?

A 1456 has an INTERNATIONAL HARVESTER DT-407, a 6-cylinder 6.67 L diesel engine.

Engine — 1456 engine specifications
Make & modelINTERNATIONAL HARVESTER DT-407
Cylinders6, liquid-cooledSource 2
Displacement406.9 ci · 6.67 L
Electrical system12 VSource 2

Source · Traktorenlexikon, “IHC 1026”

How much will a 1456 lift?

Hydraulic and PTO specifications for the 1456 are below.

Hydraulics & PTO — 1456 hydraulics and PTO specifications
Rear PTO1000 rpm
PTO shaft1 3/8"- 6 splines

Source · Traktorenlexikon, “IHC 1456”

What transmission does a 1456 have?

Transmission specifications for the 1456 are below.

Transmission — 1456 transmission specifications
ClutchPedal operated dry single plate clutch
SteeringHydraulic steering
Top speed18.6 mph · 30 km/h

Source · Traktorenlexikon, “IHC 1456”

How much does a 1456 weigh?

A 1456 weighs 12,800 lb (5,806 kg) unladen.

Weights & dimensions — 1456 weights and dimensions
Unladen weight12,800 lb · 5,806 kg
Wheelbase104.8 in · 2,662 mm
Length164.0 in · 4,166 mm
Width92.0 in · 2,337 mm
Height86.0 in · 2,184 mm
Ground clearance23.5 in · 597 mm
Front track54.0–78.0 in · 1,372–1,981 mm
Rear track60.0–66.0 in · 1,524–1,676 mm
Turning radius, braked11.7 ft · 3.56 m

Source · Traktorenlexikon, “IHC 1456”

What oil does a 1456 take, and how much?

A 1456 engine takes 11.0 qt (10.4 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

1456 fluid capacities, grades and service intervals
SystemCapacity
Engine oil11.0 qt · 10.4 LSource: Traktorenlexikon, “IHC 1456” · single source, not independently verified
Transmission68.1 qt · 64.4 LSource: Traktorenlexikon, “IHC 1456” · single source, not independently verified
Transmission & hydraulic68.1 qt · 64.4 LSource: Traktorenlexikon, “IHC 1456” · single source, not independently verified
Cooling system24.0 qt · 22.7 LSource: Traktorenlexikon, “IHC 1456” · single source, not independently verified

Always confirm against the operator’s manual for your machine before service.

Which tractors compare with a 1456?

Within 10% of its 127.2 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.

Common questions about the International Harvester 1456

Is a 1456 two-wheel drive or four-wheel drive?

The International Harvester 1456 was offered in two-wheel-drive and four-wheel-drive versions.

What PTO does a 1456 have?

A 1456 has a 1000 rpm rear PTO on a 1 3/8"- 6 splines shaft.

Sources and how this page was built

Compiled from Traktorenlexikon, “IHC 1026”; and Traktorenlexikon, “IHC 1456”.

Sources checked

14 SEP 2026

Spotted an error?

Sources

Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution

  1. Traktorenlexikon: IHC 1026 — CC BY-SA 4.0, WIKIBOOKS-TL-118758 · revision 1055405. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: IHC 1456 — CC BY-SA 4.0, WIKIBOOKS-TL-118787 · revision 1055411. Wikibooks contributors (Traktorenlexikon). Original document