WhichTractor
  • Rigid chassis
  • WhichTractor size: High-power
  • No lab test on file
  • 1976–1981
  • 13,636 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 1586 specs: hp, weight, years

INTERNATIONAL HARVESTER DT-436 six-cylinder diesel. The manufacturer claimed 161 horsepower. No laboratory has tested one, so there is no measured figure at the shaft.

Engine power, claimed · gross or net not stated

161 hp

120 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “IHC 1586”, 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
15,119 lb
3-point lift
7,077 lb
Hyd. flow
12.0 gpm
Top speed
18.6 mph

International Harvester 1586 specs: key facts

  • The International Harvester 1586 was built from 1976 to 1981.

  • The International Harvester 1586 has a claimed engine power (gross or net not stated) of 120 kW (161 hp); it has no measured PTO figure.

  • The International Harvester 1586 was offered in two-wheel-drive and four-wheel-drive versions.

  • The International Harvester 1586 has a INTERNATIONAL HARVESTER DT-436 engine, a 6-cylinder 7.14 L diesel unit.Source 1

  • The International Harvester 1586 weighs 6,858 kg (15,119 lb) unladen.

  • The International Harvester 1586 has a rear PTO running at 1000 rpm.

  • The three-point hitch of the International Harvester 1586 lifts 3,210 kg (7,077 lb) at the lower-link ends.

  • The hydraulic pump of the International Harvester 1586 delivers 45.4 L/min (12.0 gpm).

Source · Traktorenlexikon, “IHC 1586”

How does the 1586 compare with its class?

  • Limitation:

    A three-point lift at the lower links of 3,210 kg is low for its class — 52% below the median of 6,680 kg across the 113 machines within 10% of its power that hold this figure.

  • Limitation:

    A hydraulic pump flow of 45.4 L/min is low for its class — 45% below the median of 83 L/min across the 133 machines within 10% of its power that hold this figure.

  • Limitation:

    Six forward gears is low for its class — 67% below the median of 18 across the 152 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 168 tractors within 10% of its power, 10% carry one.

Derived by WhichTractor from 168 comparable records. How we work this out

Illustration of the 1976–1981 International Harvester 1586, a 161 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 1586 have?

The only figure for the 1586 is 161 hp (120 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)
161 hp

Source · Traktorenlexikon, “IHC 1586”

What engine is in a 1586?

A 1586 has an INTERNATIONAL HARVESTER DT-436, a 6-cylinder 7.14 L diesel engine.

Engine — 1586 engine specifications
Make & modelINTERNATIONAL HARVESTER DT-436
Cylinders6, liquid-cooledSource 2
Displacement435.6 ci · 7.14 L
Max torque456 lb·ft · 618 N·m @ 1,700 rpmSource 2
Electrical system12 VSource 2

Source · Traktorenlexikon, “IHC 1466”

How much will a 1586 lift, and what is its hydraulic flow?

A 1586 lifts 7,077 lb (3,210 kg) at the lower-link ends.

Hydraulics & PTO — 1586 hydraulics and PTO specifications
Pump flow12.0 gpm · 45.4 L/min
Lift at ends7,077 lb · 3,210 kg
Rear PTO1000 rpm

Source · Traktorenlexikon, “IHC 1586”

What transmission does a 1586 have?

Transmission specifications for the 1586 are below.

Transmission — 1586 transmission specifications
Top speed18.6 mph · 30 km/h

Source · Traktorenlexikon, “IHC 1586”

How much does a 1586 weigh?

A 1586 weighs 15,119 lb (6,858 kg) unladen.

Weights & dimensions — 1586 weights and dimensions
Unladen weight15,119 lb · 6,858 kg
Wheelbase104.8 in · 2,662 mm
Length169.0 in · 4,293 mm
Width102.0 in · 2,591 mm
Height116.0 in · 2,946 mm
Ground clearance14.0 in · 356 mm
Front track60.7–84.8 in · 1,543–2,153 mm
Rear track64.0–132.1 in · 1,626–3,355 mm
Turning radius, braked11.2 ft · 3.40 m

Source · Traktorenlexikon, “IHC 1586”

What oil does a 1586 take, and how much?

A 1586 engine takes 15.0 qt (14.2 L). Single source, not independently verified — always confirm against the operator’s manual for your machine.

1586 fluid capacities, grades and service intervals
SystemCapacity
Engine oil15.0 qt · 14.2 LSource: Traktorenlexikon, “IHC 1586” · single source, not independently verified
Transmission & hydraulic108.0 qt · 102.2 LSource: Traktorenlexikon, “IHC 1586” · single source, not independently verified
Cooling system27.1 qt · 25.6 LSource: Traktorenlexikon, “IHC 1586” · single source, not independently verified

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

Which tractors compare with a 1586?

Within 10% of its 156.1 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 1586

Is a 1586 two-wheel drive or four-wheel drive?

The International Harvester 1586 was offered in two-wheel-drive and four-wheel-drive versions.

What PTO does a 1586 have?

A 1586 has a 1000 rpm rear PTO.

Sources and how this page was built

Compiled from Traktorenlexikon, “IHC 1466”; and Traktorenlexikon, “IHC 1586”.

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 1586 — CC BY-SA 4.0, WIKIBOOKS-TL-119110 · revision 1036815. Wikibooks contributors (Traktorenlexikon). Original document