Mountfield SP53

petrol self propelled mower · medium-to-large lawns (manufacturer rates ~1,800 m²) · self-propelled drive without electric-start complexity · steel-deck durability on a mid budget

See photos on Mountfield (official)

Price (GBP): £399

Specifications

Category petrol self propelled
Power petrol
Cutting width 51 cm
Cutting height 22–80 mm
Weight 32 kg
Price £399
Engine 166 cc
Drive Self-propelled
Grass box 60 L

✓ Key specs verified against the manufacturer / a named test source. Data completeness: 100%. Last updated: 2026-07-01.

The spec-sheet read

Our analysis of the sourced spec sheet — positioning and trade-offs, not a hands-on review. We don't score mowers we haven't tested.

A mid-budget self-propelled workhorse with a wide 51 cm steel deck and a long 5-year warranty.

The SP53 sits in the value middle of the self-propelled petrol field: a 51 cm steel-deck cut — wider than most rivals at this price — paired with rear-wheel self-propelled drive at a single 3.7 km/h. Mountfield's own STIGA ST170 166 cc engine and recoil (pull-cord) starting keep the mechanics deliberately simple, and the 60 L bag feeds a genuine 3-in-1 deck (collect, mulch, rear discharge). Mountfield rates it for medium-to-large lawns of around 1,800 m².

The standout on paper is the 5-year warranty, which is generous for a mid-priced mower and longer than the budget rivals here. The trade-offs are the 32 kg kerb weight and the lack of electric start. Note that a Honda-engined 'SP53 Elite' variant exists at a higher price — we list the standard ST170 version as one representative record rather than double-counting the line.

Who it's for

Where to buy

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Frequently asked questions

How much does the Mountfield SP53 cost?
The Mountfield SP53 costs £399 (GBP), based on our sourced retail pricing.
Is the Mountfield SP53 self-propelled?
Yes — it's self-propelled, so it drives itself forward.
What is the cutting width of the Mountfield SP53?
51 cm per pass.
How much does the Mountfield SP53 weigh?
32 kg.

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Sources