• Articulated
  • WhichTractor size: High-power
  • No lab test on file
  • 1976–1978
  • 650 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 4186 specs: hp, weight, years

INTERNATIONAL HARVESTER DT-436 six-cylinder diesel. The manufacturer claimed 150.9 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

150.9 hp

112.5 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “IHC 4186”, 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
16,325 lb
Hyd. flow
18.0 gpm
Top speed
18.6 mph

International Harvester 4186 specs: key facts

  • The International Harvester 4186 was built from 1976 to 1978.

  • The International Harvester 4186 has a claimed engine power (gross or net not stated) of 112.5 kW (150.9 hp); it has no measured PTO figure.

  • The International Harvester 4186 is four-wheel drive (4WD).

  • The International Harvester 4186 has a INTERNATIONAL HARVESTER DT-436 engine, a 6-cylinder 7.14 L diesel unit.Source 1

  • The International Harvester 4186 weighs 7,405 kg (16,325 lb) unladen.

  • The International Harvester 4186 has a rear PTO running at 1000 rpm.

  • The hydraulic pump of the International Harvester 4186 delivers 68.1 L/min (18.0 gpm).

Source · Traktorenlexikon, “IHC 4186”

How does the 4186 compare with its class?

  • Limitation:

    Eight forward gears is low for its class — 56% below the median of 18 across the 184 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 201 tractors within 10% of its power, 10% carry one.

Derived by WhichTractor from 201 comparable records. How we work this out

Illustration of the 1976–1978 International Harvester 4186, a 151 hp farm tractor, a drawing generated from its specification record
Illustration — not a photograph

How much horsepower does a 4186 have?

The only figure for the 4186 is 150.9 hp (112.5 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)
150.9 hp

Source · Traktorenlexikon, “IHC 4186”

What engine is in a 4186?

A 4186 has an INTERNATIONAL HARVESTER DT-436, a 6-cylinder 7.14 L diesel engine.

Engine — 4186 engine specifications
Make & modelINTERNATIONAL HARVESTER DT-436
Cylinders6, liquid-cooledSource 2
Displacement435.6 ci · 7.14 L
Electrical system12 VSource 2

Source · Traktorenlexikon, “IHC 1466”

How much will a 4186 lift, and what is its hydraulic flow?

Hydraulic and PTO specifications for the 4186 are below.

Hydraulics & PTO — 4186 hydraulics and PTO specifications
Pump flow18.0 gpm · 68.1 L/min
Hitch categoryCategory 3
Rear PTO1000 rpm

Source · Traktorenlexikon, “IHC 4186”

What transmission does a 4186 have?

Transmission specifications for the 4186 are below.

Transmission — 4186 transmission specifications
BrakesHydraulically operated disc brakes acting on differential side shafts
SteeringHydraulic four-wheel steering with servo assistance
Top speed18.6 mph · 30 km/h

Source · Traktorenlexikon, “IHC 4186”

How much does a 4186 weigh?

A 4186 weighs 16,325 lb (7,405 kg) unladen.

Weights & dimensions — 4186 weights and dimensions
Unladen weight16,325 lb · 7,405 kg
Wheelbase102.0 in · 2,591 mm
Length194.0 in · 4,928 mm
Width103.0 in · 2,616 mm
Height139.0 in · 3,531 mm
Ground clearance17.0 in · 432 mm
Front track80.0 in · 2,032 mmWikibooks gives one track for both axles
Rear track80.0 in · 2,032 mmWikibooks gives one track for both axles

Source · Traktorenlexikon, “IHC 4186”

What oil does a 4186 take, and how much?

A 4186 engine takes 15.3 qt (14.5 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

4186 fluid capacities, grades and service intervals
SystemCapacity
Engine oil15.3 qt · 14.5 LSource: Traktorenlexikon, “IHC 4186” · single source, not independently verified
Cooling system32.0 qt · 30.3 LSource: Traktorenlexikon, “IHC 4186” · single source, not independently verified

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

Common questions about the International Harvester 4186

Is a 4186 two-wheel drive or four-wheel drive?

The International Harvester 4186 is four-wheel drive (4WD).

What PTO does a 4186 have?

A 4186 has a 1000 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “IHC 1466”; and Traktorenlexikon, “IHC 4186”.

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 1466 — CC BY-SA 4.0, WIKIBOOKS-TL-118879 · revision 1055412. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: IHC 4186 — CC BY-SA 4.0, WIKIBOOKS-TL-119111 · revision 1036816. Wikibooks contributors (Traktorenlexikon). Original document