Our verdict
The current entry Murray. Same cut width as the heritage 11/30 but with collection, mulching, and modern controls. Good value new but used supply is small in the UK — Mountfield 1430M and 1530H are the more obvious rivals at this price.
Pros & cons
Pros
- Cheapest current Murray ride-on
- Briggs 7150 — well-supported engine
- Mulch and collect
- 30in deck cuts efficiently
Cons
- Murray UK distribution thin since the B&S restructure
- Steering linkage feels light
- Plastic bonnet
Full specs
| Type | Ride-on |
|---|---|
| Cut width | 76 cm |
| Engine / Power | Briggs & Stratton 7150 Series |
| Weight | 175 kg |
| Deck | Steel |
| Self-propelled | Yes |
| Rear roller | No |
| Mulching | Yes |
| Cutting heights | 6 positions |
| Bag capacity | 190 L |
| Suited to lawn | Large |
| Noise level | 100 dB |
Buying second-hand
£600–1000 used. Briggs 7150 hours under 200 is excellent. Confirm Murray UK warranty status — distribution gaps mean some units are direct-import. Murray dealer support is via Briggs & Stratton service network.
Where to buy the Murray MX300
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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 76cm blade
Annual sharpening is free; replace when bent or cracked.
|
£24–£32 | £8–£12 |
|
Air filter (paper)
|
£14 | £6 |
|
Spark plug (NGK BPR5ES)
|
£10 | £4 |
|
ReadyStart autochoke unit
|
£45 | £32 |
|
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 Murray MX300 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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