Description
Mountfield SP41 Petrol Lawn Mower Review & Buying Guide
The Mountfield SP41 petrol lawn mower is one of the most popular self-propelled mowers in the UK for small to medium gardens. Designed for ease of use, reliability, and value, it combines a 123cc STIGA engine, 39cm cutting width, and self-propelled drive to make mowing faster and less physically demanding.
In this guide, we’ll break down:
- Real-world performance
- Who it’s best for
- Key pros and cons
- How it compares to the Mountfield HP41 and Electress 34 Li battery mower
You can view our full range of lawn mowers, or specifically our range of Mountfield lawn mowers or petrol lawn mowers.
KEY FEATURES
- Self-propelled drive – no pushing required
- 123cc STIGA ST120 engine – reliable, easy start
- 39cm cutting width – ideal for gardens up to ~250m²
- 5 cutting heights (25–70mm)
- 40L grass collector
- Lightweight polypropylene deck (rust-proof)
REAL-WORLD PERFORMANCE
From hands-on industry reviews and user feedback:
- The self-propelled system moves at a steady walking pace (~3.4 km/h), reducing fatigue
- Handles uneven ground and slopes far better than push mowers
- Petrol power allows it to cut thicker grass more effectively than electric alternatives
In practical terms:
This mower is ideal if you don’t want to struggle pushing or have slightly uneven terrain.
WHO IT’S BEST FOR
✔ Small to medium UK gardens (up to ~250m²)
✔ Users upgrading from electric to petrol
✔ Anyone wanting low-effort mowing
✔ Slight slopes or uneven lawns
WHO SHOULD AVOID IT
- Very small gardens → go electric/battery
- Noise-sensitive areas
- People wanting zero maintenance (battery better)
COMPARISON: SP41 vs HP41 vs Electress 34 Li
Key Differences Explained
SP41 vs HP41 (petrol vs petrol)
HP41 is cheaper but requires effort.
SP41 vs Electress 34 Li (petrol vs battery)
- SP41 = more power, no runtime limits
- Electress 34 Li = quieter, lighter, zero emissions
COMPARISON TABLE
| Feature | SP41 | HP41 | Electress 34 Li |
|---|---|---|---|
| Drive type | Self-propelled | Push | Push |
| Power | 123cc petrol | 123cc petrol | 20V battery |
| Cutting width | 39cm | 39cm | 34cm |
| Garden size | Up to 250m² | Up to 250m² | Up to 250m² |
| Effort required | Low | Medium | Low |
| Runtime | Unlimited | Unlimited | ~30–90 mins |
| Noise | High | High | Low |
| Maintenance | Medium | Medium | Low |
WHICH SHOULD YOU BUY?
- Choose SP41 if you want ease + petrol power
- Choose HP41 if budget matters and you don’t mind pushing
- Choose Electress 34 Li if you want quiet, low-maintenance mowing
WHY BUY FROM MASSEYS
At Masseys, you’re not just buying a mower — you’re getting:
- Expert setup (oil + fuel ready)
- Local aftercare support
- Established UK family business
- In-store viewing + advice
FAQ
Is the Mountfield SP41 good for small gardens?
Yes — the 39cm deck is ideal for gardens up to ~250m².
Is self-propelled worth it?
Yes, especially for slopes or longer mowing sessions — it reduces fatigue significantly.
Petrol vs battery mower – which is better?
- Petrol = more power, no runtime limits
- Battery = quieter, easier maintenance
FINAL VERDICT
The Mountfield SP41 is one of the best-value self-propelled petrol mowers in the UK. It hits the sweet spot between power, ease of use, and affordability — especially for homeowners upgrading from electric models.
If you want effortless mowing with reliable petrol performance, it’s a strong choice.
Samuel in Derby –
Excellent highly recommend