WhichTractor
  • Vehicle type: unspecified
  • Rigid chassis
  • WhichTractor size: Standard-size
  • Lab tested ×1
  • 2006–2011

It was ranked on an engine power figure whose source does not say gross or net. WhichTractor size, not the maker’s category

Agco RT-120A Engine specs

20 engine values on record for the RT-120 A.

Engine power, claimed · gross or net not stated

141.1 hp

105.2 kW as stated by the source

No lab test on file

Claimed · standard not stated by the source

Source · Traktorenlexikon, “AGCO RT 120 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.

What engine is in the diesel RT-120 A?

The diesel RT-120 A has a SISU-DIESEL 66 CTA-4V, a 6-cylinder 6.60 L diesel engine. Fitted to RT-120 A.

Engine — SISU-DIESEL 66 CTA-4V specifications
Make & modelSISU-DIESEL 66 CTA-4VSource 2
FuelDieselSource 2
Cylinders6Source 2
Displacement402.5 ci · 6.60 LSource 2
CoolingLiquid-cooled
Fuel injectioncommon-rail injection
Maximum torque479 lb·ft · 649 N·m
Maximum torque speed1,400 rpm
Air cleanerDONALDSON cyclone dry air filter
Cylinders6
Displacement7.0 qt · 6.6 L
Bore4.3 in · 108 mm
Stroke4.7 in · 120 mm
Rated engine speed2,200 rpm
Torque rise29 %

Source · Traktorenlexikon, “AGCO RT 120 A”

What engine is in a RT-120 A?

A RT-120 A has a Sisu Diesel 66.430 CTA - 4V, a 6-cylinder 6.60 L engine. Fitted to RT 120A (4 WD).

Engine — Sisu Diesel 66.430 CTA - 4V specifications
Make & modelSisu Diesel 66.430 CTA - 4V
Cylinders6
Displacement402.5 ci · 6.60 L
AspirationSupercharged

Source · OECD test report 2412, 2008

How much fuel does a RT-120 A use?

On OECD Test 2412, the RT-120 A used 8.05 gal/h (30.5 L/h) at maximum power.

OECD Test 2412 — RT-120 A as tested, configuration as printed: “4 WD · N25B23GS213H - 40 km/h”
Fuel consumption, at maximum power8.05 gal/h · 30.5 L/h
Fuel consumption, at rated engine speed7.86 gal/h · 29.8 L/h
Fuel consumption, at standard PTO speed8.25 gal/h · 31.2 L/h
Engine speed, at maximum power1,900 rpm
Engine speed, at rated engine speed2,200 rpm
Engine speed, at standard PTO speed2,030 rpm
Maximum torque478 lb·ft · 648.5 N·m
Torque rise56.8%

Source · OECD test report 2412, 2008

Sources and how this page was built

20 engine values from Traktorenlexikon, “AGCO RT 100 A”; Traktorenlexikon, “AGCO RT 120 A”; and OECD test report 2412, 2008.

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. OECD Code 2 test report 2/2 412: Agco RT 120A — Licence not stated by the publisher; facts cited, OECD-2412 · published 2008-06-10 · retrieved 2026-09-14. OECD; testing station Cemagref, Antony, France. Original document
  2. Traktorenlexikon: AGCO RT 100 A — CC BY-SA 4.0, WIKIBOOKS-TL-122962 · revision 1089287. Wikibooks contributors (Traktorenlexikon). Original document
  3. Traktorenlexikon: AGCO RT 120 A — CC BY-SA 4.0, WIKIBOOKS-TL-123008 · revision 1089290. Wikibooks contributors (Traktorenlexikon). Original document