Terex RT1120

Series: Terex Rough Terrain Crane

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With the RT1120, Terex offers a model from the Terex Rough Terrain Crane series. The engine delivers 304.2 hp (223.7 kW), has 6 cylinders, with a displacement of 8,300 cm³. The engine comes from Cummins. Torque is 356 Nm. Rated speed is 2,200 rpm. The unladen weight is 64,410 kg. The wheelbase measures 4,570.2 mm. Ground clearance is 573 mm. The tank holds 302.8 litres. The gearbox has 6 forward gears. There are also 3 reverse gears. Maximum torque is reached at 1,400 rpm. The hydraulic tank holds 1,150.8 litres. The electrical system runs on 12 V. The engine fitted is the QSC-300. Tyre size: 32,25 x 29. The Terex Rough Terrain Crane series covers 35 models. Rated output within it ranges from 131.8 to 304.2 hp; the RT1120 sits at the top of that range with 304.2 hp. Its immediate neighbours are the RT670-1 below it with 299.2 hp. 377 Terex models across 29 series are on record. The model is listed under Cranes & access platforms. 20 verified figures from 1 source are on file.

Technical data

Engine

Engine makeCumminscorrect
Engine modelQSC-300correct
Power304.2 hp (223.7 kW)correct
Rated speed2,200 rpmcorrect
Torque356correct
Speed at max. torque1,400 rpmcorrect
Cylinders6correct
Displacement8,300 cm³correct
AspirationTurbocharged & Charge air cooledcorrect

Dimensions and weights

Wheelbase4,570.2correct
Ground clearance573correct
Unladen weight64,410 kgcorrect

Drivetrain and chassis

Gearbox typeFull Power-Shift Transmissioncorrect
Forward gears6correct
Reverse gears3correct
Tyre size32.25 x 29correct
System voltage12 Vcorrect

Working data

Hydraulic oil capacity1,150.8 lcorrect
Fuel tank capacity302.8 lcorrect

Where this model stands

Power-to-weight ratio: 3.5 kW/t (224 kW / 64.4 t)

Stronger than 58% of the mobile & rough terrain cranes in the register — out of 591 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Terex RT1120 have?

The Terex RT1120 delivers 304 hp.

How much does the Terex RT1120 weigh?

The unladen weight is 64,410 kg.

What engine does the Terex RT1120 have?

6 cylinders, 8,300 cm³ displacement.

What to check before buying

  • Check the hour meter against the service records — a replaced instrument is the most common gap.
  • Compare the data plate and chassis number with the papers.
  • Check the weights in the papers against the figures here — attachments change them.
  • Ask about parts availability for this build year — the running costs hang on it.

A general list for this type of machine — no substitute for an inspection or an appraiser.

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This page carries 20 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.

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Other models in this series

Sources: [1]

Mobile crane in 3D section

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