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Muli chassis

The Reform Muli chassis consists of the front and rear sections, which are connected by a pivoting centre tube. Together they form the chassis on which attachments are mounted.

Axles - Frame - Centre tube

Robust driving/steering axles with portal axlesdeliver high pulling force and protect the drive train. The drive shafts are exposed to lower forces, so they can be built in a lighter design. This saves weight and improves soil protection. Portal axles also allow for an enormous ground clearance of up to 400 mm.

A lockable centre differentialis located between the front and rear axles and, together with a permanent four-wheel drive, ensures maximum power transfer to the ground. Tensions between front and rear axles that could occur when cornering or on uneven surfaces are therefore compensated. If the centre differential is locked, the driving force is evenly distributed (50/50) between front and rear axles. Without centre differential lock, the distribution is 1/3 to 2/3 to the front and rear axles. In addition to the centre differential lock, a lockable rear axle differential is available as standard, as well as an optional lockable front axle differential. Depending on the model, the locks are switched electro-hydraulically or mechanically. Both locks have a 100% locking effect and can cope with any situation.

A centre tubewith integrated travel and PTO drive connects the front axle including gearbox with the rear axle. The axle drive and, most importantly the PTO drive are directly routed to the rear, optimally protected by the centre tube. This eliminates the risk of tangling and soiling. The platform and main frame rotate stress-free in the centre of the pivot joint. This does not require pivot damping or a pivot stop.

The platform frameand main frameare mounted on the centre tube. The front platform frame is joined to the engine, gearbox and front axle to form a fixed unit. This provides a solid carrier frame for the cab and the front attachment frame, which is used to mount various front attachments. The solid main frame serves as a mounting base for the numerous attachments, such as tipper, crane, self-loading trailer, top-mounted spreader, leaf vacuum, and many more. Each attachment is secured with quick-release locks, such as anchor or eye bolts.

Suspension

Depending on the model, the Muli is equipped with mechanical or hydropneumatic suspension (HCS). Reform uses independent suspension with a trailing link for both types of suspension. This system has parallel support of the wheels on the ground, so it comes into its own in extreme terrain.

  • Optimum grip in every situation
  • Maximum protection of the tyres
  • Protects the turf by uniform contact, even when driven over frequently
  • Less risk of slipping
  • Lower ground pressure
  • Greater safety on slopes

There are different types of suspension, depending on the vehicle model.

Mechanical suspension

A finely tuned chassis provides optimum suspension comfort. Helical springs with elastic bump stops are used. Cylinders with hydraulic accumulators take over the function of shock absorbers and thereby ensure an optimum driving experience.

Hydropneumatic suspension (HCS)

High Comfort Suspension (HCS) is a suspension concept optimally matched to requirements and that provides comfort, stability and safety in every driving situation. This suspension relies on damping cylinders with hydraulic accumulators, which are electronically controlled depending on the current load. This ensures the best possible comfort suspension, even when fully loaded. In addition to the added comfort for driver and passenger, the load inside the vehicle is also considerably reduced.

Another advantage of the HCS is that the Muli can be raised or lowered at the push of a button. This makes it much easier to couple and uncouple various attachments (e.g. tipper).

When entering extreme terrain, a suspension lock can be activated to lock and lower the selected axle. This increases off-road safety thanks to an even lower vehicle centre of gravity.

265/70 R19.5

285/70 R19.5

15.5/55 R18

15.0/55-17

425/55 R17

440/50 R17

7.50-18

285.80-R16

Wheels and tyres

A large selection of different tyres provides optimum grip for all applications. The wide low-pressure tyres with various special treads ensure maximum traction, low ground pressure and reliable turf protection. They provide grip on difficult soils and steep slopes. The auxiliary tyres at the front and/or rear, which can be quickly fitted using quick-release locks, provide even greater slope capability and soil protection.

For use on the road, there are different tyres for summer and winter use. A wide range of treads and tyre sizes can be selected depending on the application.

Steering and steering modes

All Muli models are equipped with hydrostatic steering. Up to three steering modes are available, depending on the equipment. In addition to front steering and crab steering, Reform 4 wheel steering is the crowning glory of the chassis concept. Depending on the application, the steering mode can be switched conveniently at the push of a button, even while driving.

Crab steering feature:
Front steering is used when the rear wheels are turned at an angle, which means that the Muli drives with lateral offset. As a result, the turf is treated more gently or the Muli has wider ground contact while driving on gradients.

These are the special features of Reform steering:

  • The Muli is the only transporter with synchronous 4 wheel steering.
  • Front and rear wheels are steered at the same angle and run exactly in the same track.
  • Maximum soil protection thanks to even, absolutely tension-free traction of all 4 wheels
  • The “intelligent” steering system: Sensors report straight wheel alignment to the automatic steering system; fully automated switching from front to 4 wheel and crab steering and back.

Brakes

As standard, all Muli models come with internally ventilated disc brakes on the front and rear axles. Holes in the rims also ensure optimum heat dissipation from the brakes. The dual-circuit 4 wheel power brake has low pedal force and high braking power. A brake booster is also included as standard. Fine brake adjustment is therefore now the standard technology at REFORM. The Muli with sprung rear axle also features an axle load-dependent brake booster, which means you get the correct braking force for the load. This prevents early blocking of the wheels.

Wear-free brake system

In addition to the service brake, the Muli can be equipped with a wear-free eddy current brake, depending on the model. The system supports the service brake and minimises the wear of the whole brake system. The auxiliary brake can be switched in three stages and acts directly on the main drive shaft of the Muli. It is activated easily by a hand lever directly next to the steering wheel.