• WhichTractor size: High-power
  • No lab test on file
  • 1974–1976
  • 7,417 built

WhichTractor size, not the maker’s category

International Harvester 1566 Hydraulics & PTO specs

9 hydraulics and PTO values on record for the 1566.

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, “Farmall Farmall 1566”, 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 1566 lift?

A 1566 lifts 5,798 lb (2,630 kg) at the lower-link ends.

Hydraulics & hitch — 1566 Hydraulics & hitch
Pump flow12.0 gpm · 45.5 L/minSource 2
Steering pump flow9.0 gpm · 34.1 L/minSource 2
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 controlSource 2

Source · Traktorenlexikon, “Farmall Farmall 1566”

What PTO does a 1566 have?

A 1566 has a 1000 rpm rear PTO.

PTO — 1566 PTO
Rear PTO speeds1000 rpm
Rear PTO shaft1 3/4"- 20 teilig
PTO power, claimed162.3 hp · 121.1 kWClaimed; standard not stated by the source

Source · Traktorenlexikon, “Farmall Farmall 1566”

Sources and how this page was built

9 hydraulics and PTO values from Traktorenlexikon, “IHC 1566”; and Traktorenlexikon, “Farmall Farmall 1566”.

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 1566 — CC BY-SA 4.0, WIKIBOOKS-TL-118931 · revision 1035372. Wikibooks contributors (Traktorenlexikon). Original document
  2. Traktorenlexikon: IHC 1566 — CC BY-SA 4.0, WIKIBOOKS-TL-118930 · revision 1055414. Wikibooks contributors (Traktorenlexikon). Original document