Technical register for agricultural, construction and commercial machinery · sourced data

Terex RT780 – specifications

Series: Terex Rough Terrain Crane

Build year not documented · Data origin: Directory data · sources

Source: terex.com

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With the RT780, Terex offers a model from the Terex Rough Terrain Crane series. The engine delivers 193.9 kW. Torque is 989.7 Nm. Rated speed is 2,200 rpm. The tank holds 302.8 litres. Maximum torque is reached at 1,500 rpm. The engine fitted is the QSB6,7. Tyre size: 29,5 X 25-28PR. The Terex Rough Terrain Crane series covers 35 models. Rated output within it ranges from 96.9 to 223.7 kW; the RT780 sits in the upper part of that range with 193.9 kW. Its immediate neighbours are the AT-15 below it with 170 kW and the RT100 above it with 194 kW. 424 Terex models across 31 series are on record.

Terex Rough Terrain Crane A300 to RC45: what the number in the name actually means, 96.9 to 223.7 kW, 19.3 to 277 t weight

Terex runs its rough terrain cranes in two parallel lines with different numbering logic: the A-Series (A300 to A600) and the RC-Series (RC35 to RC45). In each case the number gives a rough capacity class in tons – not an exact rating. According to manufacturer spec sheets, the A400 lifts a maximum of about 35 tonnes, the A600 about 60 tonnes, and the RC45 about 44 tonnes, each figure only achievable at the shortest boom and widest outrigger spread.

Read on 4 more paragraphs

The "Terex Rough Terrain Crane" bucket here groups 35 live-listed models across both lines. Among 22 models with recorded weight, operating weight starts at 19.3 tonnes and up; engine power across 35 models spans 96 to 223 kW.

Among 34 models with recorded torque, values run from 356 to 1,355 Nm; displacement reaches up to 8,300 cm³, and cylinder count among 12 models spans 4 to 6.

Buying used, beyond operating hours, focus on the condition and seal tightness of the boom telescoping cylinders, play in the outriggers, a function test of all four outrigger legs, and the condition of the wire rope drum. Models such as A300, A400, A600, RC35 and RC45 appear across the listed inventory.

One thing every buyer should keep in mind: actual rated capacity always depends on radius and outrigger spread, and isn't found in the model name – only in that crane's load chart.

Sources: SpecCodex register, model data: Terex Rough Terrain Crane, – Terex A600 Rough Terrain Crane Specs (Traglast ca. 60 t), – Terex A400 Rough Terrain Crane Specs (Traglast ca. 35 t), – Terex RC45 Rough Terrain Crane Specs (Traglast ca. 44 t)

Technical data

Engine

Engine modelQSB6.7correct
Power193.9 kWcorrect
Rated speed2,200 rpmcorrect
Torque989.7 Nmcorrect
Speed at max. torque1,500 rpmcorrect

Drivetrain and chassis

Tyre size29.5 X 25-28PRcorrect

Working data

Fuel tank capacity302.8 lcorrect

More machines with this engine (Cummins QSB6.7, 70)

Frequently asked questions

How much power does the Terex RT780 have?

The Terex RT780 delivers 194 kW.

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.
  • 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 7 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: RitchieSpecs equipment specifications (retrieved August 2026) · Data sources and cross-checks

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