This machine is eligible for "white glove" delivery to large parts of northern England, fulfilled by one of our 13 depots. See list of eligible postcodes. Please note we can only offer delivery Monday - Friday between 8am - 4pm. If you are not home during these hours we can leave your machine in a designated safe space.
STIHL RM4RTP Lawnmower
Every machine we supply is professionally assembled by one of our trained technicians before dispatch.
Every machine undergoes a thorough pre-delivery inspection which ensures your new machine is operating correctly, safely and is ready to use.
When we handover your new machine we will give you some instruction on the correct and safe use of your purchase. We will answer any questions you might have and also offer some instruction on basic maintenance to help you keep your new machine in good condition.
Product Details & Features
- 21”/53cm cutting width
- Petrol STIHL engine
- 4 wheels
- Self-propelled
- Up to 5-year warranty
The STIHL RM4RTP Lawnmower is a high-performance, professional-grade petrol lawnmower designed for users who demand a premium finish and robust cutting performance. Ideal for landscapers, grounds maintenance professionals and demanding domestic users.
With a durable aluminium deck, strong petrol engine and rear roller design, the RM4RTP is perfectly suited to formal lawns, ornamental grass areas and professional lawn care where appearance matters.
Key Features:
High-Performance Petrol Engine – Delivers strong, reliable cutting power for consistent results in demanding mowing conditions.
53 cm Cutting Width – Wide cutting deck allows efficient mowing of medium to large lawns.
Durable Aluminium Cutting Deck – Robust, corrosion-resistant construction designed for professional use and long service life.
Central Cutting Height Adjustment – Enables quick and easy height changes for precise lawn care.
Professional Build Quality – Engineered for durability, reliability and regular intensive use.
Ideal For:
Professional landscaping and grounds maintenance
Demanding domestic lawn care
Product Details:
Product Type: Petrol Lawnmower
Engine Type: Petrol
Cutting Width: 53 cm
Deck Material: Aluminium
Drive Type: Push
Height Adjustment: Central
Application: Professional and high-quality domestic lawn care
Why Choose This Lawnmower:
The RM4RTP is a self propelled professional mulching mower, designed with power and endurance in mind. The machine includes several features which make it the natural choice for professionals such as central height adjustment, front and rear carrying handles and ergonomic controls. To make this a robust machine and well suited to the pro market, it features a powerful easy start engine, cast aluminium deck, large rubber wheels with aluminium rims, crankshaft protection, front and side deck protection and a protective gearbox cover.
Primary areas of use include parks, orchards and roadside verges. Low vibration figures make it the ideal machine for use by professionals. The RM4RTP comes with a 1 year professional warranty or 5 year extended domestic warranty (subject to registration and annual servicing).
- For professional users on large lawns
- Heavy-duty petrol mulching mower with 53 cm cutting width
- Single-speed front-wheel drive for comfortable working
- Central 5-setting cut-height adjustment
- Long service life thanks to reinforced axle clamps and axle bolts

Easy Start Engine
Thanks to the SmartChoke technology, the engine can be started up easily and reliably with minimal effort.

Mulching Blade
The RM 4 RTP has a mulching blade which shreds the grass into fine pieces to be distributed back into the lawn acting as a nutrient rich fertiliser.
Product Specifications
| Manufacturer | STIHL |
| Model | RM4RTP |
| Category | Petrol |
| Type | Rotary |
| Propulsion | Self Propelled |
| Rear Roller | No |
| Auto Engine Stop | Yes |
| Key Start | No |
| Grass Collector | No |
| Cutting Width | 21"/53cm |
| Cutting Heights | 30-90mm |
| Cutter Deck | Aluminium |
| Engine | Series HD775 OHV SC - 3.5hp |
| Lawn Size | 2500m² |
| Weight | 44kg |
| Machine Warranty | 5 years in domestic use |
| Engine Warranty | 5 years in domestic use |
We’ll take care of you
Pre-Delivery Inspection
All machines undergo a professional assembly and rigorous testing before we dispatch.
Free White Glove Delivery
All machines qualify for free delivery to the local area around our branches. Spare parts are delivered nationally.
Click & Collect
Place your order online and collect for free from our branches across northern England.
Official Dealer
We're official dealers of all the machines we sell, meaning we're qualified to give you the best aftersales support.