• Rigid chassis
  • WhichTractor size: Standard-size
  • No lab test on file
  • 1969–1975
  • 367 built

WhichTractor size, not the maker’s category

Bührer RP-21 Super (A) Hydraulics & PTO specs

12 hydraulics and PTO values on record for the RP-21 Super (A).

Engine power, claimed · gross or net not stated

71 hp

53 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “Bührer RP 21 Super (A)”, 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 RP-21 Super (A) lift?

A RP-21 Super (A) lifts 4,850 lb (2,200 kg) at the lower-link ends.

Hydraulics & hitch — RP-21 Super (A) Hydraulics & hitch
Pump flow5.2 gpm · 19.5 L/min
Hydraulic pressure2,845 psi · 196 bar
Lift capacity at ball ends4,850 lb · 2,200 kg
Hitch controllifting, lowering, position and draft control

Source · Traktorenlexikon, “Bührer RP 21 Super (A)”

What PTO does a RP-21 Super (A) have?

A RP-21 Super (A) has a 540 rpm rear PTO.

PTO — RP-21 Super (A) PTO
Rear PTO driveEngine-driven
Ground-speed PTOYes
Rear PTO independenceIndependent
PTO engages under loadYes
Rear PTO speeds540 rpm
Engine speed at 540 PTO1,900 rpm
Rear PTO shaft1 3/8"- 6 splines
PTO power, claimed63.3 hp · 47.2 kWClaimed; standard not stated by the source

Source · Traktorenlexikon, “Bührer RP 21 Super (A)”

Sources and how this page was built

12 hydraulics and PTO values from Traktorenlexikon, “Bührer RP 21 Super (A)”.

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: Bührer RP 21 Super (A) — CC BY-SA 4.0, WIKIBOOKS-TL-119785 · revision 1042467. Wikibooks contributors (Traktorenlexikon). Original document