Latest pto dynamometer from German company Maha comes in two mobile, trailer-mounted models, the MZW300 up to 440hp and the ZW500 up to 670hp.

A radio remote control holds up to 10 complete tests and means one-man operation is possible. A very accurate fuel consumption meter is also available.

Prices start at £21,950 for the MZW300 and £25,550 for the ZW500. The equipment, plus brake testers and vehicle lifts, is
sold through Wisbech firm Maha UK.