Commer Maxiload Lorry

Manufacturer	Commer
Production	1964-1976
Body and chassis
Body style	Lorry
Powertrain
Engine	3-cylinder 135hp
Transmission	5-speed manual
Dimensions
Length	20 tp 27 ft

The Commer Maxiload Lorry range was introduced in 1964 . with payloads of between 14 and 16 tons.(4 x 2) or option for the Commer 12-ton tractive unit.

History

The Commer Maxiload  cab is big, roomy, has a flat floor and the driver's seat is torsion loaded. There is little variation in specification between the 14 and 16-ton versions. The frame and mechanical units are the same, but the tyre equipment and the ratio of the standard single-speed rear axle differ. An identical two-speed rear axle is an option. There is also a change in the suspension design.Both version of the Maxiload are available in three wheelbases-12 ft. 11 in., 14 ft. 8 in. and 17 ft. 11 in. .

With A higher-power version of the Rootes three-Cylinder engines s a supercharged two-stroke opposed piston fuel injection.Number of cylinders 3 known as the Commer Knocker. with a cubic capacity 3.52 litres.
and power of  135 B.H.P Its Rootes diesel,, gives 335 lb. ft. of torque, between 800-2,400 r.p.m.Modifications made to the fuel pump to get an increased delivery, a larger oil cooler was fitted and the diameter for the shafts carrying the rockers which transfer the piston and connecting rod movements to the crankshaft was increased. Gives fast stepping acceleration, less down shifting. The drive from the engine is taken with an hydraulically-operated clutch And more, the Commer Maxiload offers a five-speed synchromesh gearbox with a six-speed overdrive as a optional extra,as well as a Eaton two-speed rear axle .The front and rear brakes of the full air-pressure system are on separate circuits and Westinghouse components are used, including a dual-concentric foot valve and two chamber reservoir.

Ease to drive with of power assisted steering, and full air cam dual circuit service brake and secondary and positive lock park brake. Other features of the design are a full, airbraking system with Westinghouse components, including dual-diaphragm chambers at the rear axle to provide service and emergency brake functions; the extra diaphragm is pressurized on application of the handbrake. The steering box being a Cam Gears cam-and-peg unit with a ratio of 24.5 to I.

The Overall length came in at 20 ft.to 22 ft. 6 in. or 27 ft. for the chassis only and the overall width 7 ft. 11 in.Height (to top of cab) 8 ft. 4in (14 ton), 8 ft. 6in. (16 ton).A new range of six-wheel conversions by Universal Power Drives Ltd. on the Commer Maxiload chassis was also available that features an Eaton 30DT two-speed double-drive bogie with lockable third differential and Hendrickson RT350 two-spring suspension. 

The lorrys turning circle 54 ft, 61 ft. or 73 ft.Wheel-base 12 ft. 10 in., 14 ft.or 17 ft. 10in.Track 6 ft. 61 in. or 6 ft. in. front 14 ton), 6 ft. 61 in. (front 16 ton),5 ft. in. (rear).Fuel tank capacity 42 gallons and a gross weight for 14 tons or 16 tons.

Standard and optional items including a 4-65-kW heater, padded facia, windscreen washers, ashtrays and padded sun visors.Two-passenger seat is standard and the driver's seat improved, it being now fully adjustable for rake of the squab as well as having fore-and-aft and seat-height.

Later by the 1970s Commer truck chassis are the CE 16 Maxiload. Heaviest capacity two-axle rigid in the Commer range is the 16 tons gvw Maxiload. This model has the Chrysler 3D 215 three cylinder opposed piston two-stroke diesel which has an output of 121.5 bhp.