• WhichTractor size: Standard-size
  • No lab test on file
  • 1971–1976
  • 54,947 built

It sits on the standard-size/high-power boundary, so either size is a fair description. WhichTractor size, not the maker’s category

International Harvester Farmall 1066 Hydraulics & PTO specs

9 hydraulics and PTO values on record for the Farmall 1066.

Engine power, claimed · gross or net not stated

115.5 hp

86.1 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “IHC 1066”, 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.

How much will a Farmall 1066 lift?

A Farmall 1066 lifts 5,798 lb (2,630 kg) at the lower-link ends.

Hydraulics & hitch — Farmall 1066 Hydraulics & hitch
Pump flow12.0 gpm · 45.5 L/minSource 2
Steering pump flow9.0 gpm · 34.1 L/min
Rear remote valves3
Lift capacity at ball ends5,798 lb · 2,630 kg
Lift capacity 610 mm behind ends5,600 lb · 2,540 kg
Hitch controlLifting, lowering, lowering throttle, position control and hydraulic draft control

Source · Traktorenlexikon, “Farmall Farmall 1066”

What PTO does a Farmall 1066 have?

A Farmall 1066 has a 540/1000 rpm rear PTO.

PTO — Farmall 1066 PTO
Rear PTO speeds540/1000 rpmSource 2
Engine speed at 540 PTO2,100 rpm
PTO power, claimed112.1 hp · 83.6 kWClaimed; standard not stated by the source

Source · Traktorenlexikon, “Farmall Farmall 1066”

Sources and how this page was built

9 hydraulics and PTO values from Traktorenlexikon, “IHC 1066”; and Traktorenlexikon, “Farmall Farmall 1066”.

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: Farmall Farmall 1066 — CC BY-SA 4.0, WIKIBOOKS-TL-118877 · revision 1054932. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: IHC 1066 — CC BY-SA 4.0, WIKIBOOKS-TL-118876 · revision 1055406. Wikibooks contributors (Traktorenlexikon). Original document