• Rigid chassis
  • WhichTractor size: High-power
  • No lab test on file
  • 1969–1970
  • 218 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 4156 specs: hp, weight, years

INTERNATIONAL HARVESTER DT-429 six-cylinder diesel. The manufacturer claimed 138 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

138 hp

103 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “IHC 4156”, 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
15,174 lb
Hyd. flow
16.5 gpm
Top speed
18.6 mph

International Harvester 4156 specs: key facts

  • The International Harvester 4156 was built from 1969 to 1970.

  • The International Harvester 4156 has a claimed engine power (gross or net not stated) of 103 kW (138 hp); it has no measured PTO figure.

  • The International Harvester 4156 is four-wheel drive (4WD).

  • The International Harvester 4156 has a INTERNATIONAL HARVESTER DT-429 engine, a 6-cylinder 7.04 L diesel unit.Source 1

  • The International Harvester 4156 weighs 6,883 kg (15,174 lb) unladen.

  • The International Harvester 4156 has a rear PTO running at 1000 rpm.

  • The hydraulic pump of the International Harvester 4156 delivers 62.5 L/min (16.5 gpm).

Source · Traktorenlexikon, “IHC 4156”

How does the 4156 compare with its class?

  • Limitation:

    Eight forward gears is low for its class — 50% below the median of 16 across the 215 machines within 10% of its power that hold this figure.

  • Strength:

    A 379 L fuel tank is high for its class — 58% above the median of 240 L across the 225 machines within 10% of its power that hold this figure.

Derived by WhichTractor from 235 comparable records. How we work this out

Illustration of the 1969–1970 International Harvester 4156, a 138 hp farm tractor, cab was optional — shown without it, a drawing generated from its specification record
Illustration — not a photograph · cab was optional — shown without it

How much horsepower does a 4156 have?

The only figure for the 4156 is 138 hp (103 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)
138 hp

Source · Traktorenlexikon, “IHC 4156”

What engine is in a 4156?

A 4156 has an INTERNATIONAL HARVESTER DT-429, a 6-cylinder 7.04 L diesel engine.

Engine — 4156 engine specifications
Make & modelINTERNATIONAL HARVESTER DT-429
Cylinders6, liquid-cooledSource 2
Displacement429.4 ci · 7.04 L
Electrical system12 VSource 2

Source · Traktorenlexikon, “IHC 4100”

How much will a 4156 lift, and what is its hydraulic flow?

Hydraulic and PTO specifications for the 4156 are below.

Hydraulics & PTO — 4156 hydraulics and PTO specifications
Pump flow16.5 gpm · 62.5 L/min
Hitch categoryCategory 3
Rear PTO1000 rpm

Source · Traktorenlexikon, “IHC 4156”

What transmission does a 4156 have?

Transmission specifications for the 4156 are below.

Transmission — 4156 transmission specifications
ClutchPedal operated dry single plate clutch type 14 inches
BrakesHydraulically operated disc brakes acting on differential side shafts
SteeringHydraulic steering with servo assistance
Top speed18.6 mph · 30 km/h

Source · Traktorenlexikon, “IHC 4156”

How much does a 4156 weigh?

A 4156 weighs 15,174 lb (6,883 kg) unladen.

Weights & dimensions — 4156 weights and dimensions
Unladen weight15,174 lb · 6,883 kg
Wheelbase102.0 in · 2,590 mm
Length194.0 in · 4,928 mm
Width95.7 in · 2,430 mm
Height139.8 in · 3,550 mm
Ground clearance17.3 in · 440 mm
Front track76.4 in · 1,940 mmWikibooks gives one track for both axles
Rear track76.4 in · 1,940 mmWikibooks gives one track for both axles

Source · Traktorenlexikon, “IHC 4156”

What oil does a 4156 take, and how much?

A 4156 engine takes 11.2 qt (10.6 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

4156 fluid capacities, grades and service intervals
SystemCapacity
Engine oil11.2 qt · 10.6 LSource: Traktorenlexikon, “IHC 4156” · single source, not independently verified
Cooling system37.0 qt · 35.0 LSource: Traktorenlexikon, “IHC 4156” · single source, not independently verified

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

Which tractors compare with a 4156?

Within 10% of its 138.1 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 4156

Is a 4156 two-wheel drive or four-wheel drive?

The International Harvester 4156 is four-wheel drive (4WD).

What PTO does a 4156 have?

A 4156 has a 1000 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “IHC 4100”; and Traktorenlexikon, “IHC 4156”.

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 4100 — CC BY-SA 4.0, WIKIBOOKS-TL-118737 · revision 1055421. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: IHC 4156 — CC BY-SA 4.0, WIKIBOOKS-TL-118789 · revision 1033795. Wikibooks contributors (Traktorenlexikon). Original document