Terex TA30
Series: Terex Articulated Dump Truck
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Terex articulated dump trucks 2766C to 4066C, TA25 to TA40 and TA250 to TA400 – from Motherwell, Scotland, with Volvo as Rokbak since 2014: the number as payload, Detroit, Cummins and Scania engines, 182 to 331 kW
Terex's articulated haulers come from the Motherwell plant near Glasgow, which has built dump trucks since the 1950s – first for Euclid and General Motors, from 1968 under the Terex name. Three naming generations appear in the register: the 2766C, 3066C and 4066C of the 1990s encode payload and drive – 27, 30 and 40 t with 6x6 all-wheel drive – the TA range of the 2000s (TA25, TA27, TA30, TA35, TA40) gives the payload in tonnes directly, and the TA250, TA300 and TA400 from 2010 in hundreds of kilograms; IS marks a version with independent suspension. In 2014 Terex sold the plant to Volvo Construction Equipment, which continued the trucks first as Terex Trucks and since 2021 under the new name Rokbak – the register models are the Terex years.
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The register lists 12 versions with 182 to 331.1 kW from six-cylinders of 8,276 to 14,011 cm³ – Detroit Diesel Series 60 in the older, Cummins QSC 8.3, MTA11 and QSM11 in the medium, Scania DC9 in the younger models – torque from 1,017 to 2,255 Nm at 2,000 to 2,200 rpm, lengths from 9,446 to 11,095 mm, widths from 2,201 to 3,444 mm and heights from 3,410 to 3,900 mm.
The Motherwell trucks were, alongside Volvo and Caterpillar, the third force of the European articulated-hauler market and known for their simple, service-friendly design – a reason Volvo keeps the plant as a second brand beside its own A range.
On used trucks, operating hours, play in articulation joint and oscillation bearings, the condition of body cylinders, brakes and transmission (Allison or ZF) and the tyres count; parts run through Rokbak dealers and the engine makers.
Sources: Kennwerte der Modelle Terex knickgelenkte Muldenkipper, Rokbak (Rechtsnachfolger Terex Trucks, Motherwell)
Technical data
Engine
| Engine model | QSM11correct |
|---|---|
| Power | 390.3 hp (248.3 kW)correct |
| Rated speed | 2,100 rpmcorrect |
| Torque | 1,776.1correct |
| Speed at max. torque | 1,400 rpmcorrect |
| Cylinders | 6correct |
| Displacement | 10,815.5 cm³correct |
| Aspiration | turbochargedcorrect |
| Coolant capacity | 54.1 lcorrect |
| Engine oil capacity | 34.1 lcorrect |
Dimensions and weights
| Length | 9,756.6correct |
|---|---|
| Width | 2,895.6correct |
| Height | 3,450 mmcorrect |
| Wheelbase | 5,102.4correct |
| Ground clearance | 405.4correct |
Drivetrain and chassis
| Gearbox type | ZF 6WG 310 RPC fully automatic gearboxcorrect |
|---|---|
| Forward gears | 6correct |
| Reverse gears | 3correct |
| Tyre size | 23.5R25correct |
| Top speed | 51 km/hcorrect |
Working data
| Hydraulic oil capacity | 202.1 lcorrect |
|---|---|
| Fuel tank capacity | 390.3 lcorrect |
Other data
| System voltage | 24 Vcorrect |
|---|
More machines with this engine (Cummins QSM11, 43)
Frequently asked questions
How much power does the Terex TA30 have?
The Terex TA30 delivers 390 hp.
What engine does the Terex TA30 have?
6 cylinders, 10,816 cm³ displacement.
How fast does the Terex TA30 go?
Top speed is 51 km/h.
What are the dimensions of the Terex TA30?
9,757 mm × 2,896 mm × 3,450 mm.
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.
- Load the hydraulics and watch for sag.
- 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 24 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
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Dump truck in 3D section
Turn the model, look inside and click an assembly — each one is explained.