Tandem Roller

RD12A-90 – High performance rollers offer excellent compaction results

  • Easily manoeuvrable units provide flush compaction to curbs and obstructions.
  • Pressurised water system offers consistent water flow. An eight position timer allows the operator to adjust water flow to match conditions.
  • Rear platform and front hood tilt up for easy access and improve machine serviceability.
  • Rollers offer reduced sound levels; units run quieter than competitive machines in the same class.

Product Information Sheet

All of the technical information on this product at a glance on the Product Information Sheet.


The RD12 one-ton roller series features dual drum drive and articulated steering for extremely accurate control. Front drum vibration with static rear drum leaves a quality asphalt finish. Outstanding overall roller performance and a high exciter frequency allows compaction at faster speeds while still delivering even coverage and excellent results.

Operating weight w/ operator 1,130 kg
L x W x H 1,824 x 1,035 x 2,300 mm
Drum width 900 mm
Drum diameter 560 mm
Side clearance right 44 mm
Side clearance left 89 mm
Curb clearance right 399 mm
Curb clearance left 208 mm
Centrifugal force dynamic (front drum) 15 kN
Frequency 70 Hz
Linear force – front / rear static 4.9 / 7.2 N/mm
Linear force dynamic (front) 16.8 N/mm
Travel speed forward 8.7 km/h
Travel speed reverse 8.7 km/h
Surface capacity area 7,830 m²/h
Gradeability max. (w/ and w/o vibration) 30 %
Gradeability limit (engine) 32 %
Turning radius outside 2,451 mm
Operating weight w/ operator 1,130 kg
Engine / Motor 


Engine / Motor type air-cooled, 2-cylinder, gasoline engine
Engine / Motor manufacturer Honda GX 630
Displacement 688 cm³
RPM / speed operating speed 3,100 rpm
Operating performance max. rated at 3600 rpm 15.1 kW
Filling capacities 


Tank capacity fuel23 lTank capacity water100 l Tank capacity fuel23 lTank capacity water100 l
Tank capacity fuel23 lTank capacity water100 l Tank capacity fuel23 lTank capacity water100 l