Grove RT770E

Series: Grove Rough Terrain Crane

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The RT770E from Grove is part of the Grove Rough Terrain Crane series. The engine delivers 243.4 hp (179 kW), with a displacement of 7,000.6 cm³. The engine comes from Cummins. Torque is 987 Nm. Rated speed is 2,500 rpm. The wheelbase measures 4,064 mm. Top speed is 59.5 km/h. The gearbox has 6 forward gears. There are also 6 reverse gears. Maximum torque is reached at 1,500 rpm. The electrical system runs on 12 V. The engine fitted is the QSB6. Tyre size: 23,5 x 25 – 24 Bias ply rating. The Grove Rough Terrain Crane series covers 81 models. Rated output within it ranges from 106.1 to 608.3 hp; the RT770E sits in the lower part of that range with 243.4 hp. Its immediate neighbours are the RT750 below it with 202.7 hp and the RT855B above it with 253 hp. 338 Grove models across 8 series are on record. The model is listed under Cranes & access platforms. 16 verified figures from 1 source are on file.

Technical data

Engine

Engine makeCumminscorrect
Engine modelQSB6correct
Power243.4 hp (179 kW)correct
Rated speed2,500 rpmcorrect
Torque987correct
Speed at max. torque1,500 rpmcorrect
Displacement7,000.6 cm³correct
AspirationTurbo-chargedcorrect

Dimensions and weights

Wheelbase4,064correct

Drivetrain and chassis

Gearbox typeRangeshiftcorrect
Forward gears6correct
Reverse gears6correct
Tyre size23.5 x 25 – 24 Bias ply ratingcorrect
Top speed59.5 km/hcorrect
System voltage12 Vcorrect

Frequently asked questions

How much power does the Grove RT770E have?

The Grove RT770E delivers 243 hp.

What engine does the Grove RT770E have?

7,001 cm³ displacement.

How fast does the Grove RT770E go?

Top speed is 59.5 km/h.

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 16 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]

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