Long-reach boom mowers KRV series

Long-reach boom mowers ROLMEX KRV series – Polish engineering and extreme reach

The KRV-series boom mower is ROLMEX’s flagship long-reach hydraulic boom, engineered for the professional maintenance of roads, slopes, ditches and green areas wherever every extra metre of reach matters. The KRV series comes in three variants — KRV800z, KRV900z and KRV1050z — with a working reach from 8.0 m to 10.5 m, measured from the tractor axle to the outer edge of the head. These are among the most powerful boom arms on the market in terms of both hydraulics and construction, developed by ROLMEX in Kielce, Poland, and proven in daily heavy-duty work, including by road authorities and government institutions.

Thanks to the telescopic boom extension (double on the KRV900z) and full compatibility with the ROLMEX range of working heads, the machine easily adapts to a variety of tasks: from mowing grass and brush, through mulching, to land-drainage work, branch cutting and stump grinding.

Key features of the KRV boom mowers

  • Extreme working reach – from 8.0 m (KRV800z) through 9.0 m (KRV900z) up to 10.5 m (KRV1050z), for maintaining wide verges, deep ditches and high slopes in a single pass.
  • Telescopic boom extension – smooth reach adjustment; on the KRV900z and KRV1050z the double telescopic extension provides maximum reaching comfort.
  • Powerful hydraulic system – a cast-iron pump set of 73 + 16 cm³, oil flow of 120 l/min and a 220 l tank ensure stable operating parameters even under prolonged, heavy load.
  • High-performance oil cooler with smooth, automatic fan-speed control (thermostat engaging from 45°C) – protects the system against overheating and does not overload the tractor’s electrical system.
  • Double boom protection – two hydraulic-gas shock absorbers: the first protects boom rotation in the event of a collision with an obstacle, the second ensures smooth operation of the first boom section.
  • Reinforced, rigid construction – frame integrated with the oil tank, additional frame stabilisation with two turnbuckles, all pivot joints bushed, lubricated and hardened (thermally or by induction).
  • Full operator control – fully proportional joystick, oil-level indicator and hydraulic-oil thermometer; in case of joystick failure the boom can be folded using levers on the valve block.
  • Convenient transport – forklift attachment points make storage and transport of the machine easier.
  • PTO drive, with delivery, training and installation included in the machine price.

Who is the KRV series for?

The KRV long-reach boom mowers are the solution for the most demanding customers: provincial, county and municipal road authorities, municipal companies, maintenance and land-drainage contractors, and government institutions. Wherever a standard 5–7 m arm is not enough and reach over an obstacle, a wide ditch or a high slope is what counts, the KRV series delivers a reach advantage while retaining the power and reliability known from ROLMEX booms.

KRV800z

Max. boom reach 8.0 m
Telescopic boom extension telescopic
Required tractor power min. 220 HP
Power at head shaft 68 HP
Minimum tractor width 2.4 m
Minimum tractor weight 9 t
Cast-iron pump set 73 + 16 cm³
Oil flow 120 l/min
Oil tank 220 l
Boom weight (approx.) approx. 1260 kg

KRV900z

Max. boom reach 9.0 m
Telescopic boom extension double telescopic
Required tractor power min. 180 HP
Power at head shaft 68 HP
Minimum tractor width 2.4 m
Minimum tractor weight 9 t
Cast-iron pump set 73 + 16 cm³
Oil flow 120 l/min
Oil tank 220 l
Boom weight (approx.) approx. 1450 kg

KRV1050z

Max. boom reach 10.5 m
Telescopic boom extension double telescopic
Required tractor power min. 220 HP
Power at head shaft 68 HP
Minimum tractor width 2.4 m
Minimum tractor weight 9 t
Cast-iron pump set 73 + 16 cm³
Oil flow 120 l/min
Oil tank 220 l
Boom weight (approx.) approx. 1570 kg