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Monthly installments with PayPal

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Aspen 4 ethanol free fuel
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ATCO GT38H Hydrostatic Petrol Ride On Mower Deck 98cm V-Twin 586cc 20HP Engine


Original price was: £2,699.00.Current price is: £2,595.00.

Out of stock

FREE TMS ACCESSORIES PACKAGE WORTH ยฃ124.99

Claim your FREE Mower Shack Accessories Package

Simply select this package from the ADD ON menu, by Add To Cart button.

What comes in the package?

Mulching plug insert for ride on lawn mower

Mulching Plug – ยฃ94.99

  • Natural fertilizer:ย Mulching clippings returns nutrients like nitrogen, potassium, and phosphorus to the soil, which helps your grass grow healthier and greener.ย 
  • Saves money:ย You won’t need to buy extra lawn feed.

4 Stroke Oil – ยฃ10

This SAE 30 Lawnmower Engine Oil is specially formulated oil suitable for four stroke lawnmowers, stationary engines & generators. Contains a special high performance additive which prolongs engine life & reduces carbon deposits at high temperatures.
API SF/CF, CCMC D2Battery

Aspen 4 ethanol free fuel

Aspen 4 Fuel – ยฃ10

  • No expensive repair bills caused by stale fuel
  • Your machine always starts and is ready to go, even after long standstill periods
  • Lasts for years without deterioration
  • Aspen does not contain ethanol
  • Virtually odourless
  • Less maintenance and a longer machine life
  • Available in a conveniently sized container
  • Protects your health and the environment
Lawn mower tyre puncture repair sealant and inflator

Tyre Puncture Repair Spray – ยฃ10

All-In-One Puncture Repair, Sealant and Inflator 450ml Quick, easy and convenient. No need to remove tyre. Streetwize Tyre Sealer 450ml. A ‘Must Have’ accessory

Mulching plug insert for ride on lawn mower
Aspen 4 ethanol free fuel
Lawn mower tyre puncture repair sealant and inflator

Claim your FREE Mower Shack Accessories Package

Simply select this package from the ADD ON menu, by Add To Cart button.

What comes in the package?

Mulching Plug – ยฃ94.99

  • Natural fertilizer:ย Mulching clippings returns nutrients like nitrogen, potassium, and phosphorus to the soil, which helps your grass grow healthier and greener.ย 
  • Saves money:ย You won’t need to buy extra lawn feed.

Aspen 4 Fuel – ยฃ10

  • No expensive repair bills caused by stale fuel
  • Your machine always starts and is ready to go, even after long standstill periods
  • Lasts for years without deterioration
  • Aspen does not contain ethanol
  • Virtually odourless
  • Less maintenance and a longer machine life
  • Available in a conveniently sized container
  • Protects your health and the environment

4 Stroke Oil – ยฃ10

This SAE 30 Lawnmower Engine Oil is specially formulated oil suitable for four stroke lawnmowers, stationary engines & generators. Contains a special high performance additive which prolongs engine life & reduces carbon deposits at high temperatures.
API SF/CF, CCMC D2Battery

Tyre Puncture Repair Spray – ยฃ10

All-In-One Puncture Repair, Sealant and Inflator 450ml Quick, easy and convenient. No need to remove tyre. Streetwize Tyre Sealer 450ml. A ‘Must Have’ accessory

Description

Atco company brand logo

 

If youโ€™re looking for aย reliable, powerful, and easy-to-use ride-on mower,
theย ATCO GT38H Twinย is a fantastic choice.
Built with quality and practicality in mind, this model is ideal for medium to large gardens up toย 4,000โ€“5,000 mยฒ, where efficiency and comfort matter.
High-spec features at an affordable price.ย 
The well-appointed ATCO GT 38H Twin Garden Tractor with 98cm cutting width can also mulch or rear discharge and comes powered by the 20HP STIGA ST 550 586cc Twin Cylinder engine.
โญ WHY CHOOSE THE ATCO GT38H TWIN?
This model is a popular choice because it offers:
  • Proven reliability from a trusted brand,ย MADE BY STIGA
  • Strong twin-cylinder engine performanceย STIGA ST550 V -Twin 20HP
  • Easy-to-use hydrostatic drive-Fully Automatic-Press & Go
  • Excellent cutting and collection system-ย 98cm Twin Blade Deck & 240L Tipping Grass Box
  • Easy to manouver and control, considering it’s size.
ย ATCO has a long-standing reputation for quality, and this model reflects that with solid engineering and thoughtful design throughout.
A perfect balance between performance, comfort, and value.
POWERFUL STIGA V-TWIN ENGINE
Fitted with a Stiga ST 550 V-Twin engine, this mower delivers smooth, consistent power:
  • Twin-cylinder = quieter, smoother operation
  • Plenty of power for thick or damp grass
  • Reliable and easy starting
  • Designed for long-lasting performance
The V-Twin setup reduces vibration and improves overall efficiency, making longer mowing sessions more comfortable.ย 
It also provides the torque needed to maintain blade speed even in tougher conditions, ensuring a consistent and professional finish every time.
This is a well-proven engine used across many premium machines, known for durability and dependable performance.
More than capable of handling demanding lawns with ease.
ย 
LARGE 98CM TWIN BLADE CUTTING DECK โ€“ GET THE JOB DONE FASTER
The 98cm twin-blade cutting deck gives you excellent coverage:
  • Wide enough to reduce mowing time significantly
  • Ideal for medium to large lawns up to 5.000 sqm
  • Twin blades for a clean, even finish
This cutting width is a sweet spotโ€”large enough to save serious time, yet compact enough to still navigate tighter areas compared to bigger tractors.ย 
It allows you to work efficiently without sacrificing control.
Cutting capacity
Approx. 4,000โ€“5,000 mยฒ per hour depending on conditions
ย ELECTRIC BLADE ENGAGEMENT
Engaging the blades couldnโ€™t be easier:
  • Simple push-button activation
  • No manual levers or effort required
  • Smooth and convenient operation
This system not only makes operation easier but also improves safety and control, allowing you to engage and disengage the blades instantly when needed.
DECK WASH PORT
Keeping the deck clean is quick and simple:
  • Built-in hose connection port
  • Attach your garden hose and clean underneath easily
  • Helps maintain cutting performance and longevity
Regular cleaning prevents grass build-up, which can affect performance over time, so this feature is a real bonus for keeping the machine in top condition.
ย 
ย HYDROSTATIC TRANSMISSION โ€“ FULLY AUTOMATIC-PRESS & GO
The hydrostatic gearbox makes this mower incredibly user-friendly:ย 
The harder you press the pedal = the faster you go
Remove you feet of the pedal = the machine stopsย 
No gears โ€“ just press the pedal and go
Smooth speed control forward and reverse
Ideal for working around obstacles
This type of transmission gives you precise control at all times, especially useful when manoeuvring in tighter spaces or adjusting speed on the move without stopping.
Perfect for beginners and experienced users alike.
Ideal when good traction is rquired.
ย 
ย LARGE GRASS COLLECTOR โ€“ EMPTY FROM THE SEAT
The 240L large-capacity grass box is designed for convenience:
  • Collects a large volume before needing emptying
  • Can be tipped and emptied from the driverโ€™s seat
  • Saves time and effort during mowing
This feature is especially useful when covering large areas, as it reduces interruptions and keeps you working efficiently without constantly stopping.
ย PREMIUM COMFORT & CONTROL
Designed with operator comfort in mind:
  • Comfortable premium seat for longer mowing sessions
  • Ergonomic steering wheel for easy handling
  • Smooth ride even over uneven ground
The seating position and controls are designed to reduce fatigue, making it much more enjoyable to use over extended periods.
ย 
ย EASY TO MANOEUVRE
ย 
Despite being a large machine, itโ€™s easy to handle:
  • Tight turning for working around trees and borders
  • Responsive steering
  • Stable and controlled driving experience
It strikes a great balance between size and agility, making it suitable for a wide range of garden layouts.
ย 
FEATURES & SPECIFICATIONS:
Engine: Stiga ST 550 V-Twin
Cutting Width: 98cm (38โ€)
Cutting System: Twin blade
Transmission: Hydrostatic (pedal-operated)
Blade Engagement: Electric
Grass Collector: Large capacity 240L, seat-operated emptying
Deck Wash Port: Yes
Seat: Premium comfort seat
Steering Wheel: Ergonomic design
Cutting Heights: Adjustable
Build Quality: Strong and reliable
ย 
The ATCO GT38H Twin is an easy-to-use ride-on mower that makes maintaining your lawn faster and more enjoyable.ย 
With its powerful engine, wide cutting deck, and user-friendly features, itโ€™s a great machine for anyone wanting efficiency without complication.
Itโ€™s ideal for homeowners who want a step up from smaller machines without going into commercial-level equipment, offering reliability, comfort, and strong performance in one package.
Easy to use. Powerful. Built to last.

ONS

Technical Specifications

EAN/UPC
8008984851764
SKU
2T2630447/AT2
Power source
Petrol
Battery capacity
18 Ah
Power
10.4 kW
Mowing area
5500 ใŽก
Engine Brand
STIGA
Engine model
ST 550 Twin Powered by STIGA
Displacement
586 cmยณ
Engine rotation speed
2600 rpm
Battery Voltage
12 V
Choke
Manual
Engine cooling
Air
Fuel tank capacity
6 l
Minimum uncut radius
70 cm
Cutting method
Collecting
Cutting width
98 cm
Reverse mowing
Yes
Blade rotation
Untimed
Cutting height adjustment
Manual with lever
Cutting height positions
7 positions
Cutting height range
25 – 80 mm
Number of blades
2
Blade type
Winged
Additional cutting method
Rear discharge, Mulching
Blade engagement type
Electric
Traction
Rear-wheel drive
Transmission method
Pedal-operated
Transmission type
Hydrostatic
Collector emptying
Manual
Collector capacity
240 l
Steering wheel
Atco ergonomic
Seat type
Atco classic
Seat adjustment
Screws
Dashboard
Yes with LED
Front wheel size
15×5.00-6
Rear wheel size
18×8.50-8
Hour meter
No
Headlights
Conventional
Cruise control
No
Cast iron front axle
No
Bumper
Yes
Washing link
Yes
Collector type
Textile
Storage compartment
Yes
Cup holder
No
Pivoting front axle
Yes
Antiscalp wheels
2
Safety system
Seat with Safety Contact Breaker
Mulching kit
Included
Battery charger
Optional
Trailer hitch kit
Included
Guaranteed sound power level (LwA) – dB(A)
100
Max vibration on driver’s seat (m/s2)
0.7
Max vibration on steering wheels (m/s2)
8.2
Measured sound power level dB(A)
100
Measured sound pressure level at operator ear dB(A)
86
Pack weight
235 kg
Product length
2338 mm
Product width
1020 mm
Product height
1100 mm
Weight
203 kg

What’s in the box

TRAILER HITCH KIT 84-98 CM
TRAILER HITCH KIT 84-98 CM
MULCHING PLUG MP98-TC98

PRODUCT REGISTRATION

ย 
BRAND NEW WITH FULL MANUFACTURER WARRANTY
ย 

Your new purchase should be registered with Mountfield using the warranty card supplied with your machine or by using the product registration section of the MOUNTFIELD WEBSITE.

ย To validate your warranty in the event of any repair, the original proof of purchase will need to be shown to the repairing dealer.

ย Without original proof of purchase this policy will not apply.

PLEASE REGISTER YOUR PRODUCT ONLINE ON THE MOUNTFIELD WEBSTE.
Manufacturer Helpline 0800 121 6585 ( for warranty )
ย 
ย 
ย 

BRAND NEW WITH FULL MANUFACTURER WARRANTY

Your new purchase should be registered with Mountfield using the warranty card supplied with your machine or by using the product registration section of the MOUNTFIELD WEBSITE.

To validate your warranty in the event of any repair, the original proof of purchase will need to be shown to the repairing dealer.

ย Without original proof of purchase this policy will not apply.

PLEASE REGISTER YOUR PRODUCT ONLINE ON THE MOUNTFIELD WEBSTE.
Manufacturer Helpline 0800 121 6585 ( for warranty )

PALLET DELIVERY

We will fully assemble your ride on mower, so when you receive it will be ready to use.

Delivery takes 2-5 days, depending of time of year and your post code.

WHITE GLOVE DELIVERY

If you wish to have a full demonstration on how to operate and use the ride on mower, one of our engineers will be able to fully instruct you on receipt of your order. This service is available as optional.

REMOVING YOUR OLD RIDE ON MOWER FREE OF CHARGE

We can collect and dispose of your old machine, free of charge.

 

Weight 225 kg

#Z17 GT38H

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SKU: #Z17 GT38H

Original price was: £2,699.00.Current price is: £2,595.00.

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