This machine is eligible for "white glove" delivery to large parts of northern England, fulfilled by one of our 14 depots. See list of eligible postcodes.
Mountfield SP46 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
- 18”/46cm cutting width
- Petrol STIGA engine
- 4 wheels
- Self propelled
- Up to 5-year warranty
The Mountfield SP46 Lawnmower is a dependable, easy-to-use petrol lawnmower designed for efficient mowing of medium-sized gardens. Featuring a self-propelled drive system and a robust steel cutting deck, the SP46 delivers consistent cutting performance with reduced effort, making it ideal for homeowners seeking reliability and comfort.
Powered by a proven petrol engine and built with Mountfield’s reputation for durability, this mower offers excellent maneuverability, effective grass collection and a clean, professional lawn finish.
Key Features:
Self-Propelled Drive System – Reduces pushing effort, making mowing easier on slopes and larger lawn areas.
Reliable Petrol Engine – Provides consistent power and dependable starting for regular garden maintenance.
46 cm Cutting Width – Ideal for medium-sized lawns, offering an excellent balance between coverage and control.
Steel Cutting Deck – Durable construction ensures long service life and consistent cutting performance.
Central Height of Cut Adjustment – Allows quick and easy adjustment to achieve the desired grass length.
Large Grass Collector – Reduces emptying frequency while delivering a clean, tidy finish.
Foldable Handle Design – Enables compact storage and easy transport when not in use.
Ideal For:
Medium-sized domestic gardens
Regular lawn maintenance
Users seeking a reliable petrol mower
Gardens with slopes or uneven terrain
Product Details:
Product Type: Petrol Lawnmower
Drive Type: Self-propelled
Cutting Width: 46 cm
Deck Material: Steel
Grass Collection: Rear collector
Height Adjustment: Central
Application: Domestic lawn care
Why Choose This Lawnmower:
The Mountfield SP46 Lawnmower combines ease of use, reliable petrol power and durable construction in a practical, user-friendly package. Its self-propelled system and efficient cutting width make it ideal for maintaining medium-sized gardens with minimal effort. Backed by Mountfield’s trusted build quality, the SP46 is a solid choice for homeowners who want dependable performance and a consistently neat lawn.
The cutter deck is made from steel for durability and the height of cut is adjusted by a single lever giving a range of six positions. Grass collection and mulching both come as standard. A grass bag full indicator alerts you when it is time to empty the grass bag. if neither collection nor mulching are required, the grass clippings can simply be discharged to the rear of the mower.
This model is powered by STIGA's ST140 OHV engine and features a 18” (46cm) width of cut.
Product Specifications
| Manufacturer | Mountfield |
| Model | SP46 |
| Category | Petrol |
| Type | Rotary |
| Propulsion | Self Propelled |
| Rear Roller | No |
| Auto Engine Stop | Yes |
| Key Start | No |
| Grass Collector | Yes - 60 litres |
| Cutting Width | 18"/46cm |
| Cutting Heights | 22-65mm |
| Cutter Deck | Steel |
| Engine | STIGA ST140 OHV |
| Weight | 27kg |
| 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.