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MB's fire fighters

27th December 1986
Page 12
Page 12, 27th December 1986 — MB's fire fighters
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Which of the following most accurately describes the problem?

• The traditionally British manufacturer-dominated fire appliance market has come under a new foreign attack from Mercedes-Benz, which has entered the UK market for the first time with its 1222F chassis.

Surrey Fire Service has already ordered 21 1222F-based appliances, while a further five vehicles will be going to Norfolk Fire Service.

The 1222F is powered by MB's 161kW (216hp) 11-litre vee-six naturally-aspirated engine, rated which is capable of accelerating the 12-tonne GVW truck up to 641un (40mph) from a standing start in under 25 seconds.

Peak torque on the 0M421 MB engine is 784Nm (578 lb ft), at 1,200rpm.

Maximum geared speed is 111km/hi (69mph) with the 1222F chassis fitted with the standard 3.91:1 rear axle. Alternatively, the MB rigid can be fitted with three other ratios — one faster, two slower-depending on operating requirements.

Mercedes is offering its 3.6m wheelbase 1222F chassis with either a conventional two-/three-man standard S cab, or as a chassis cowl, which can be incorporated into the fire appliance bodywork as a five/six-man crew cab.

The 1222F rigids being supplied to Surrey and Norfolk will be fitted with German Polyma bodywork, with 1,820litre (400 gal) water tanks. All the vehicles have been specified with MB's own W4B110 automatic gearbox, which is offered as an option in place of the standard six-speed manual box. Wabco anti-lock braking equipment is also available on the 1222f as an optional extra.

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Locations: Surrey, Norfolk

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