Mountfield SP505R V 48cm Honda Petrol Roller Lawn Mower

Mountfield SP505R V overview

The Mountfield SP505R V is a premium 48cm self-propelled petrol roller lawn mower designed for medium-to-large formal lawns. It combines a Honda GCVx170 Autochoke engine, variable-speed rear-roller drive, Mountfield Twinclip cutting technology and an 80-litre grass collector.

The full-width steel rear roller supports the mower and presses the grass as you work, producing the traditional striped finish associated with formal lawns. Mountfield recommends the SP505R V for mowing areas up to approximately 2,000m², although practical coverage will depend on the lawn’s shape, slope, grass conditions and number of obstacles.

Browse the complete Mountfield lawn mower range, compare other Mountfield petrol lawn mowers, or view all petrol lawn mowers available from Masseys.

Key features of the Mountfield SP505R V

Honda GCVx170 Autochoke engine

The SP505R V is powered by a 167cc Honda GCVx170 OHV four-stroke petrol engine, producing a rated output of 3.3kW at 2,900rpm.

Honda’s Autochoke system manages the choke setting automatically during starting, removing the need for a separate manual choke control. The mower uses recoil starting and has a 0.95-litre fuel tank.

Mountfield Twinclip cutting system

The Twinclip blade has four cutting edges. The first pair begins cutting the grass, while the second pair reduces the clippings further before they enter the collector.

Producing finer clippings can improve collection efficiency and make fuller use of the mower’s large grass bag, particularly when the lawn is cut regularly and the grass is reasonably dry.

Full-width steel rear roller

A full-width rear-mounted steel roller helps support the mower and create a defined striped lawn finish. Successive passes in alternating directions bend the grass in opposite directions, producing visible light and dark stripes.

The roller also replaces the rear wheels and forms part of the mower’s drive system. This makes the SP505R V particularly suitable for customers who value a formal striped finish.

Variable-speed self-propelled drive

The mower uses a variable-speed self-propelled transmission driving the rear roller. You can select a comfortable working pace rather than pushing the mower or being restricted to one fixed forward speed.

A slower speed is useful around borders, trees and tighter sections, while a faster pace can improve productivity across open areas of lawn.

48cm cutting width

The 48cm, or approximately 19-inch, cutting width provides a practical balance between productivity and manoeuvrability.

It is wide enough to cover medium-to-large lawns efficiently while remaining more manageable around borders and garden features than a larger 53cm mower.

Eight cutting heights from 13–65mm

A centralised lever adjusts the cutting height through eight positions between 13 and 65mm.

The lower settings are suitable for maintaining a shorter formal finish in appropriate conditions. Higher settings can be used during periods of rapid growth, dry weather or when gradually reducing longer grass.

Avoid removing more than approximately one-third of the grass blade in a single cut, particularly during hot or dry conditions.

Large 80-litre grass collector

The 80-litre textile grass collector reduces the number of emptying stops required when mowing a substantial lawn.

Actual collection performance will depend on grass length, moisture and mowing speed. Longer or wet grass may require slower mowing and more frequent emptying.

Adjustable and folding handlebar

The ergonomic soft-grip handlebar can be adjusted to suit the operator. Mountfield’s one-motion folding system allows the handle to be moved into different positions for storage.

This is particularly useful for reducing the mower’s footprint in a shed or garage.

Vibration Control System

The SP505R V incorporates Mountfield’s Vibration Control System to help manage vibration through the handlebar during operation.

Appropriate hearing protection and sturdy footwear should still be used, and the safety guidance in the operator’s manual should always be followed.

Deck wash connection

A washing link is provided to assist with routine deck cleaning. Cleaning the underside after use helps prevent large deposits of grass from building up and restricting airflow.

Follow the operator’s manual when using the wash connection. Never tip, clean or inspect the mower while the engine is running or hot.

Is the Mountfield SP505R V right for you?

Choose the SP505R V if:

• You have a medium-to-large formal lawn.
• You want a traditional striped finish.
• You prefer a Honda-powered petrol mower.
• You want variable-speed self-propelled assistance.
• You need a wide cutting deck and large collector.
• You normally collect your grass clippings.
• You have suitable storage and access for a 45kg mower.

Another mower may be more suitable if:

• Your lawn is small, narrow or contains many tight obstacles.
• You regularly need to lift the mower up steps or into a vehicle.
• You require a lightweight machine.
• You want to mulch or rear-discharge grass.
• You do not need a striped finish.
• You require a wider 53cm deck for a particularly large open lawn.

Comparing the SP505R V with other Mountfield mowers

Mountfield SP505R V versus SP555R V

The SP505R V has a 48cm cutting width and is suited to lawns up to approximately 2,000m². The Mountfield SP555R V provides a wider 53cm cutting deck and is designed for larger lawns where covering ground more quickly is the priority.

Both models use a Honda GCVx170 engine, variable-speed drive, Twinclip cutting and a rear roller. Choose the SP505R V when easier manoeuvrability is important, or the SP555R V when maximum cutting width and productivity are more valuable.

Mountfield SP505R V versus SP555 V

The Mountfield SP555 V is a wider four-wheel mower rather than a roller mower. It is better suited to customers who want a larger 53cm cutting width and multiple clipping options but do not require pronounced lawn stripes.

Choose the SP505R V when the roller finish is central to your purchase. Choose the SP555 V when wider coverage and greater clipping-management flexibility are more important.

Why Masseys recommends the Mountfield SP505R V

Masseys recommends the SP505R V to customers who want a high-quality striped finish from a self-propelled petrol mower but do not require the larger dimensions of a 53cm model.

The 48cm Twinclip cutting system, variable-speed rear-roller drive and 80-litre collector form a strong combination for regularly maintained medium-to-large lawns. The Honda GCVx170 engine is also a significant reason to consider this model if engine brand and straightforward starting are important to you.

Its limitations should also be clear. This is a substantial 45kg collection mower rather than a lightweight multi-function machine. It does not provide mulching or rear discharge, and it may not be appropriate for small gardens, narrow access or situations where the mower must regularly be lifted.

For model-specific advice, contact the Masseys garden machinery team before ordering.

Mountfield SP505R V technical specifications

Mountfield warranty

The SP505R V is advertised with a five-year extended domestic warranty, subject to Mountfield’s registration, servicing and warranty conditions.

The product should be registered with Mountfield, and proof of purchase should be retained. To maintain the extended warranty, qualifying machines must be serviced by an authorised Mountfield service centre before the end of the second year and annually thereafter. If the required servicing conditions are not met, the warranty may revert to the standard two-year period.

For commercial use, Mountfield states that warranty coverage is normally 90 days unless otherwise specified.

Please confirm the current warranty conditions with Masseys at the time of purchase, particularly when the mower will be used professionally or for financial gain.

Delivery, preparation and aftersales support

The Mountfield SP505R V is available from Masseys in Woodville, Swadlincote, Derbyshire.

Local delivery is available across many parts of Derbyshire, Leicestershire and surrounding areas. Masseys also offers an optional mower assembly, oil and fuel preparation service. Please confirm the current preparation charge and delivery availability for your postcode before ordering.

For ongoing maintenance, visit our garden machinery servicing and repairs page.

You can also browse Aspen fuel and our wider range of machinery oil and fuel products.

Frequently asked questions

Is the Mountfield SP505R V self-propelled?

Yes. It has variable-speed self-propelled drive to the rear roller, allowing the working pace to be adjusted while mowing.

Does the Mountfield SP505R V create lawn stripes?

Yes. Its full-width steel rear roller presses the grass in alternating directions as you mow, creating the traditional light-and-dark striped finish.

What size lawn is the SP505R V suitable for?

Mountfield recommends the mower for areas up to approximately 2,000m². Practical coverage will depend on the lawn’s layout, slope, grass length and the number of obstacles.

What is the cutting width?

The mower has a 48cm, or approximately 19-inch, cutting width.

How many cutting-height positions are available?

There are eight central cutting-height positions from 13 to 65mm.

Can the Mountfield SP505R V mulch grass?

No. The SP505R V is a collection mower and does not provide a mulching function.

What engine is fitted?

It is powered by a 167cc Honda GCVx170 OHV Autochoke petrol engine.

How heavy is the SP505R V?

Mountfield specifies a product weight of 45kg and a packaged weight of 50.2kg.

What is the difference between the SP505R V and SP555R V?

The SP505R V has a 48cm cutting width and is recommended for areas up to approximately 2,000m². The SP555R V has a wider 53cm cutting width and is better suited to larger open lawns where maximum productivity is required.

What warranty is included?

The mower is advertised with a five-year extended domestic warranty, subject to registration, authorised servicing and Mountfield’s full conditions. Commercial warranty coverage is normally 90 days unless otherwise stated.

Can Masseys prepare the mower before delivery or collection?

Yes. Masseys offers an optional preparation service that can include assembly, the correct engine oil and fuel. Confirm the current charge and service availability when ordering.

Can Masseys service the mower?

Yes. Masseys provides local garden machinery servicing and repair support from its Woodville workshop. Contact the team to confirm current workshop availability and service times.