MAN RR4 480: Premium German-Origin Bus Chassis Shakes Up Indonesia’s Tronton Market

The premium bus market in Indonesia has welcomed a heavyweight new player ready to redefine the standards of comfort and performance for long-distance travel.

Through PT Millennium Inframach Distribusi Indonesia (Inframach), one of its official distributors, the MAN CO 26.480 6×2 RR4 bus chassis is now officially available, bringing a suite of cutting-edge German technology.

This triple-axle (tronton) chassis is specially designed to meet the needs of intercity (AKAP) bus fleets and luxury tourist buses that require a combination of high efficiency, exceptional durability, and complete comfort.

The main attraction of this chassis, more popularly known among transport enthusiasts as the MAN RR4 480, lies in its extremely powerful yet environmentally friendly mechanical heart.

Behind its robust chassis sits a D2676 EEV diesel engine — a 6-cylinder inline unit with a 12,400 cc (12.4L) displacement, Euro 5 compliant, producing 480 hp at 1,900 rpm and peak torque of 2,300 Nm at 1,050–1,400 rpm.

This massive power is delivered to the drive wheels through an intelligent 12-speed TipMatic automatic transmission equipped with an integrated retarder, offering gear ratios ranging from 12.92 to an overdrive of 0.77.

Thanks to the precise gear-shifting management of the TipMatic system paired with the powerful diesel engine, this tronton bus can reach a maximum speed of up to 120 km/h very smoothly.

Not only fast on straight roads, the MAN RR4 480 also boasts a gradeability of up to 25%, a crucial capability for conquering Indonesia’s varied road topography.

Moving to the running gear, the 6×2 drive configuration is supported by highly optimal weight distribution and intelligent steering to tackle various challenges on Indonesian roads.

At the front, the chassis uses Independent Front Suspension (IFS) with a maximum capacity of 7,100 kg, controlled by the ZF-Hydrosteering Servocom hydraulic steering system.

Meanwhile, the rear axle adopts a wide-track rear air suspension with a load capacity of up to 12,600 kg, paired with a final drive ratio of 2.73.

Interestingly, on the trailing axle (third axle), MAN has applied EHLA (Electrohydraulic Steering System) technology, which allows the rear wheels to steer, reducing the turning radius to just 9,572 mm.

This makes the bus highly agile when maneuvering in tight spaces. Additionally, passenger comfort inside the cabin is guaranteed at the highest level thanks to a full air suspension system across all axles.

The front is supported by two air bellows, the rear by four air bellows, and the trailing axle by two air bellows, each equipped with shock absorbers and stabilizers.

All this damping performance is digitally managed by the VACS (Vehicle Advanced Air Control System), an intelligent air suspension control system that maintains consistent bus height and stability under varying load and speed conditions.

When it comes to safety and braking, the MAN RR4 480 offers no compromises. The chassis relies on disc brakes on all wheels as the primary braking system, reinforced by an Electronic Braking System (EBS).

This system integrates advanced active safety features including Anti-lock Braking System (ABS), Anti-Slip Regulation (ASR), and Electronic Stability Program (ESP) to prevent skidding or rollover.

Additionally, to save brake pad wear on long descents, drivers can rely on a comprehensive set of auxiliary brakes, including a hydraulic retarder, engine brake, and exhaust brake.

In terms of physical dimensions and weight, this chassis offers high flexibility for bus operators (PO) to choose the best body design from their preferred bodybuilders. The MAN RR4 480 has a chassis kerb weight of approximately 7,340 kg and a Gross Vehicle Weight (GVW) of 25,560 kg.

The chassis is delivered in transport condition (as a rolling chassis) with an initial wheelbase of 4,500 mm, but the final configuration can be adjusted by the bodybuilder to achieve the ideal wheelbase.

The distance between the two rear axles is set at 1,470 mm, with a rear overhang of 3,100 mm, while the front overhang is provisional according to the body design.

The end result is a bus that can be built with a total length ranging from 12,500 mm to 13,500 mm and Indonesia’s standard width of 2,500 mm. These dimensions make the chassis highly suitable for double-decker bus models.

To support long-range operations, Inframach offers flexible fuel tank capacity options: dual tanks of 220 liters each or a single large 480-liter tank.

Furthermore, all fuel tanks are paired with a 75-liter AdBlue tank to support the Euro 5 emission control system, resulting in cleaner exhaust emissions.

Finally, driver comfort and ease of operation are also a major focus of this lion-logo commercial vehicle brand through the implementation of a modern electronic architecture called ELSA (Electronic Architecture).

Upon entering the cockpit, the driver is greeted by a 12-inch full-color digital LCD instrument panel that clearly and interactively displays all vital vehicle information.

Controlling these features is made even more ergonomic with a multifunction steering wheel equipped with control buttons, including cruise control to maintain constant speed on toll roads without constant use of the accelerator pedal.

The combination of luxurious cockpit interior and outstanding technical toughness positions the MAN RR4 480 as one of the finest tronton bus chassis masterpieces ready to energize Indonesia’s premium transportation scene.