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Boki chassis

The versatility of the chassis on a REFORM Boki leaves nothing to be desired.

MSH steel frame

The MSH steel frame is a robust modular steel frame. The side members are designed as closed tube profiles and the lead frame is screwed and welded. Thanks to the modular design, it is also very easy to implement different wheelbases on the frame. No expense and effort were spared on the Boki municipal vehicles when it came to the quality of the steel either. So MSH steel is used here too, 

with hot-rolled rectangular tube profiles made of St52 steel. Hot rolling has the advantage that the material does not become brittle and therefore also reacts elastically to loads within certain ranges. The best conditions for a long service life despite demanding municipal use. The frame can also be ordered fully galvanised, upon request.

Mechanical drive

The mechanical models of the Boki 1152 series are equipped with a 5-speed manual gearbox as standard. These are designed as high-speed vehicles and can reach a maximum speed of up to 90 km/h. With the powerful mechanical drive, the Boki 1152 is the ideal partner for transport, winter service, and cleaning.

The mechanical 5-speed manual gearbox is optionally available with an additional mechanical gear reduction. Activation of gear reduction makes it possible to reduce the maximum speed of all gears to approx. 15%. This speed range is suitable in working mode for driving on difficult, uneven terrain, steep slopes, driving over steps in the terrain, or when the use of an attachment requires the lowest possible driving speed. Gear reduction can also be activated to get maximum traction power from the vehicle.

The multi-function control lever with the smooth 5-speed gear shift is located in the centre console of the vehicle. The most important hydraulic functions of the Boki can also be operated with the multi-function control lever directly on the gear lever. This takes the load off the driver and ensures maximum ease of use.

The drive is from the manual gearbox to the rear axle. The standard four-wheel drive can be engaged at any time. The Boki 1152 T, which has a payload of up to 4 tonnes as a six-wheeler, provides an even greater transport capacity.

Hydrostatic drive

The Boki models with hydrostatic drive come with different equipment options. Powerful axial piston variable pumps and axial piston variable motors ensure continuous, powerful drive. The oil system for the hydrostatic drive is a closed circuit.

With basic equipment, the hydrostatic drive comes with a mechanical transfer gearbox and can operate in 2 speed ranges. Speed reduction by approx. 50% is electro-hydraulic. With an additional, optional mechanical reduction in the 2-speed transfer gearbox, the hydrostatic drive with 4 speed ranges delivers continuous adjustment of the driving speed to the respective working conditions.

The hydrostatic drive is driven from the diesel engine to the variable pump, which forms a hydraulic circuit with the variable motor, and from there mechanically via the downstream 2-stage shuttle gearbox to the wheels.

The hydrostatic drive is operated with the multi-function control lever. The lever is guided in a shifting gate and allows the driver to easily select the direction and speed. Te multi-function control lever can also be used to operate the most important hydraulic functions on the front of the vehicle.

Steering modes

All Boki municipal vehicles are equipped as standard with front wheel steering and a steering angle of up to 40 degrees. Upon request, 4 wheel steering, rear-wheel steering and crab steering are also available. So you can get through even the tightest corners and lanes.

Four-wheel drive / locks

All hydrostatic REFORM Boki models come with an activatable four-wheel drive and a self-locking differential and are therefore well prepared for every job. If traction problems occur, the differential locks automatically, increasing the forward drive. Alternatively, the vehicle can be equipped with manually operated mechanical locks. On request, all Boki municipal vehicles can be equipped with a 100% differential lock on the rear axle.

Axles/suspension/axle locking

Rigid axles are fitted as standard on all Boki municipal vehicles. Depending on the model, this results in up to 3,500 kg axle load on the front axle and up to 4,000 kg on the rear axle. The high suspension comfort, which is also effective at speeds up to 90 km/h, is made possible by parabolic wide-gap springs with stabilisers and shock absorbers. For applications with heavy front attachment, an axle lock can be fitted on request.

Final speeds

Depending on the version and application, Boki municipal vehicles are available for different speeds. The Boki with hydrostatic drive is available with speeds from 40 km/h; but a final speed of up to 62 km/h can be offered on request. The models with mechanical drive have a standard final speed of 90 km/h. So nothing stands in the way of fast transfers to site.

Dimensions

The Boki can be ordered, perfectly tailored to each application. Depending on the model, three cab widths of 1.3 m, 1.4 m or 1.7 m are available to choose from. So you can work even in the tightest driving conditions.

Depending on the model, you can also choose a wheelbase in up to 5 different lengths between 2,050 mm and 3,100 mm. This means that the ideal vehicle can always be put together for the application.

Weights

A high payload plays an important role in every application. Special emphasis was placed on the high payload when the Boki municipal vehicles were developed. Depending on the model, there is a maximum permissible gross weight of up to 6,500 kg or 7,490 kg. The payload is up to 4,000 kg. An optimal balance between the front and rear axles also gives you full use of the entire payload. There's nothing standing in the way of an efficient working day.