STIHL RM 4 RTP Professional Mulching Petrol Lawn Mower

SKU: RM 4 RTP

STIHL RM 4 RTP Professional Mulching Petrol Lawn Mower

SKU: RM 4 RTP

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The STIHL RM 4 RTP Professional Mulching Petrol Lawn Mower built for demanding commercial mowing applications. Featuring a robust cast aluminium deck, powerful easy-start engine and durable professional-grade construction, it is ideal for parks, orchards, roadside verges and large green spaces.

The STIHL RM 4 RTP Professional Mulching Petrol Lawn Mower is a dedicated professional mulching mower designed for contractors, grounds maintenance teams and local authorities who require exceptional durability, productivity and mowing performance.

Engineered specifically for intensive commercial use, the RM 4 RTP combines a powerful easy-start petrol engine with a robust self-propelled drive system, allowing large grassed areas to be maintained efficiently while reducing operator effort.

Unlike conventional collection mowers, the RM 4 RTP uses an advanced mulching system that finely cuts and disperses grass clippings back onto the lawn. This natural process returns valuable nutrients to the soil, helping promote healthier grass growth while eliminating the need to collect and dispose of clippings.

Built to withstand the demands of professional use, the mower features a durable cast aluminium deck alongside extensive protective features including front and side deck protection, crankshaft protection and a protective gearbox cover.

For all-day operator comfort, the RM 4 RTP includes ergonomic controls, low vibration technology and a simple central cutting height adjustment system. Front and rear carry handles also make transportation and loading easier when moving between work sites.

Large rubber wheels with durable aluminium rims provide excellent traction and long service life, making the mower particularly effective on parks, orchards, roadside verges and other professional mowing environments.

The RM 4 RTP is backed by a 1-year professional warranty (subject to registration and servicing).

Table of specifications

Displacement

173 cm³

Drive

4,6 km/h

Motor type

Serie HD775 OHV SC

CO2

725 g/kWh

Device weight without refuelling

44 kg

Max. lawn area

2500 m² 1)

Cutting width

53 cm

Cutting height

30 - 70 mm

Rated speed of sweeping attachment

2800 rpm

Device width

57 cm

Device height

108 cm

Front wheel diameter

210 mm

Rear wheel diameter

205 mm

Measured sound pressure level LpA

79 dB(A)

Sound power level, guaranteed LWA

93 dB(A)

Uncertainty factor, sound pressure level KpA

2 dB(A) 2)

Vibration, guide bar, ahw

2.4 m/s²

Vibration uncertainty K

1.20 m/s² 2)

Technical Notes

1)

Area performance under optimum conditions

2)

Uncertainty according to Directive 2006/42/EC

features

Professional Mulching System

The RM 4 RTP finely shreds grass clippings and returns them directly to the turf as a nutrient-rich mulch. Ideal for large-scale professional mowing operations.

Cast Aluminium Mowing Deck

The heavy-duty cast aluminium deck provides outstanding durability for demanding commercial environments. Perfect for contractors and grounds maintenance teams.

Self-Propelled Drive System

The powered drive system helps cover large mowing areas efficiently while reducing operator fatigue.

Low Vibration Technology

Greater Comfort Throughout the Working Day Designed with professional users in mind, the RM 4 RTP minimises vibration transfer during operation.