Description

Mountfield HP42 Petrol Lawn Mower (41cm) – Metal Deck Petrol Lawn Mower

Reliable, Simple & Built for Small UK Gardens

The Mountfield HP42 petrol lawn mower is one of the most popular choices for homeowners who want a simple, durable and affordable petrol mower for small to medium gardens.

Built with the same core platform as the SP42 (but without self-drive), it delivers reliable cutting performance, low running costs, and long-term durability.

You can view our full range of lawn mowers, or specifically our range of Mountfield lawn mowers or petrol lawn mowers.

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Key Features

• 41cm cutting width – ideal for small to medium lawns
• STIGA ST120 123cc petrol engine – reliable, easy-start performance
• Hand-propelled design – lightweight and easy to control
• 6 cutting heights (approx. 25–70mm) for seasonal flexibility
• 60L grass collector – fewer emptying stops (same platform as SP42)
• Mulching capability – improve lawn health naturally

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Who Is the HP42 Best For?

The Mountfield HP42 is ideal if you:

• Have a small to medium UK garden (up to ~400m²)
• Want a petrol mower without the cost of self-propel
• Prefer simple, low-maintenance machines
• Need something reliable long-term

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Mountfield HP42 vs SP42 vs Princess 34 Li

This is where most buyers decide — petrol vs self-propel vs battery.

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Key Differences Explained

Mountfield HP42 vs SP42

• Same mower platform, same engine
• SP42 adds self-propelled drive → easier on slopes or larger lawns

Choose:

• HP42 = budget + flat lawns
• SP42 = less effort + better for bigger gardens

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Mountfield HP42 vs Princess 34 Li (Battery)

• Princess 34 Li is:
  • lighter (≈12kg)
  • quieter
  • cordless convenience

But:

• Smaller cutting width (34cm)
• Smaller lawns only (~200m²)

 Choose:

• HP42 = power + longer runtime
• Princess 34 Li = low maintenance + quiet use

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Performance & Build Quality

The HP42 uses a steel chassis and proven STIGA engine platform, designed for durability and consistent cutting performance over time.

This makes it:

• More robust than many plastic-deck mowers
• Suitable for regular weekly mowing
• A solid long-term investment

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 Real-World Usage Insights

From dealer experience:

• Starts easily due to autochoke system
• Lightweight enough for most users despite petrol engine
• Best results when mowing regularly (not overgrown lawns)

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Why Buy from Masseys DIY?

When buying garden machinery, aftercare matters as much as the product.

At Masseys DIY:

• Established UK family-run business
• In-store expertise + real advice
• Workshop support & servicing
• Optional assembly & local delivery

This ensures you’re not just buying a mower — you’re getting ongoing support and reliability.

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FAQs

Is the Mountfield HP42 good for small gardens?

Yes — the 41cm deck is ideal for small to medium lawns, balancing coverage and manoeuvrability.

What’s the difference between HP42 and SP42?

The SP42 is self-propelled, making it easier to use on slopes or larger lawns.

Is petrol better than battery?

• Petrol = more power + longer runtime
• Battery = quieter + less maintenance

Does the Mountfield HP42 mulch?

Yes — it includes a mulching option to feed nutrients back into your lawn.

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Final Buying Recommendation

Choose the Mountfield HP42 if you want:

• A simple, reliable petrol mower
• Great value vs self-propelled models
• A long-lasting machine with minimal complexity

Upgrade to:

• SP42 → if you want easier mowing
• Princess 34 Li → if you want cordless convenience