Our verdict
The right Mountfield ride-on for buyers who want the convenience of a tractor without spending Mountfield 1530H money. Manual transmission is the trade-off — but for under £1500 new it is the cheapest way into a credible UK ride-on.
Pros & cons
Pros
- Cheapest manual-transmission Mountfield ride-on
- 66cm deck fits narrow gates
- Stiga engine — universal parts
- 170L collection bag
Cons
- Manual gearbox — less smooth than hydrostatic
- Single-cylinder engine works hard
- Smaller deck means slow on big lawns
Full specs
| Type | Ride-on |
|---|---|
| Cut width | 66 cm |
| Engine / Power | Stiga ST 350cc |
| Weight | 135 kg |
| Deck | Steel |
| Self-propelled | Yes |
| Rear roller | No |
| Mulching | No |
| Cutting heights | 6 positions |
| Bag capacity | 170 L |
| Suited to lawn | Large |
| Noise level | 100 dB |
Buying second-hand
£550–950 used. Engine hours under 250 is good. Manual transmission needs a smooth shift through gears; sticking is usually linkage adjustment (£30 dealer fix). Steering box wears — check for play before paying.
Where to buy the Mountfield 827M
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Repair-cost reference
UK 2026 ballpark prices for the parts you're most likely to need on this mower. OEM is dealer-genuine; aftermarket is what you'll find on eBay or generic small-engine suppliers. Use these to sense-check any quote and to negotiate on used buys.
| Part / job | OEM | Aftermarket |
|---|---|---|
|
Replacement 66cm blade
Annual sharpening is free; replace when bent or cracked.
|
£24–£32 | £8–£12 |
|
Deck spindle bearing
Replace if blade vibrates or the deck whines under load.
|
£48 each | £22 each |
|
Transaxle service (gear oil change)
Hydrostatic units need fresh fluid every 200 hours.
|
£60 dealer | £15 DIY |
|
12V starter battery
Generic 12V 18Ah lawn-tractor battery — fits most ride-ons.
|
£45 | £28 |
Fair-offer calculator
Tell us about a specific used listing for the Mountfield 827M you're looking at. We'll compute a fair offer range from our used-market data and the condition signals you provide.
Calculations are guidance, not gospel. Used-market prices vary by region (Scotland is typically 10–15% cheaper than the South-East), season (October cheapest, March most expensive), and seller motivation.
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