SG 71 Backpack Sprayer 18L
SKU: Stihl | ST-4255 019 4970
Key Features
- 18-litre capacity
- Ambidextrous, adjustable pump lever
- Integrated pressure gauge
- Padded straps, moulded back panel
- Regular price
- £96.75 Ex VAT
- £116.10 Inc VAT
- RRP: £101.95 Ex VAT
- Sale price
- £96.75 £96.75 Ex VAT
- Regular price
-
- £116.10 £116.10 Inc VAT
- Was £101.95 Ex VAT
Free Delivery Over £75 *
Worldwide Shipping from the UK
Trusted UK Arborist Retailer
30-Day Easy Returns
Product information & specifications
STIHL SG 71 Backpack Sprayer — 18 Litre
The STIHL SG 71 is a high-capacity, professional-grade backpack sprayer designed for demanding landscaping, horticulture and grounds maintenance tasks. An 18-litre capacity combines robust performance with comfort for extended periods of use.
It's in stock at Gustharts as an authorised STIHL dealer, with free UK delivery on this order.
The pump lever can be mounted on either the right or left side to suit individual preferences and reduce fatigue, with length adjustment for optimal ergonomic positioning. High-quality padded straps and a moulded back panel keep the fit comfortable even when the sprayer is full. An ergonomic shut-off valve integrates a built-in pressure gauge, letting you precisely monitor and control spray pressure for consistent application.
Key Features & Benefits
- 18-litre capacity — large tank for extensive spraying tasks
- Built for durability in demanding professional environments
- Ambidextrous pump lever, mountable left or right
- Adjustable pump lever length for ergonomic fit
- High-quality padded straps and moulded back panel
- Ergonomic shut-off valve with integrated pressure gauge
Technical Details
Why Choose the STIHL SG 71?
STIHL is one of the world's leading outdoor power tool brands, and the SG 71's ambidextrous pump lever and integrated pressure gauge give a genuine comfort and control edge over basic backpack sprayers — a real benefit across a full day of fertiliser, herbicide or pesticide application.
Pairs Well With
Complete your setup with a replacement spray lance or spray guard.
Also Known As
Also searched for as: STIHL SG71, STIHL 18L backpack sprayer, STIHL manual sprayer, professional backpack sprayer STIHL.
FAQs
Can the pump lever be switched sides?
Yes — it can be mounted on either the right or left side to suit your preference.
How is spray pressure controlled?
Via the ergonomic shut-off valve's integrated pressure gauge, letting you monitor and adjust pressure precisely.
What can this sprayer be used for?
Fertilisers, herbicides, pesticides and other liquid applications across landscaping and horticultural work.
Is it comfortable for extended use?
Yes — padded straps and a moulded back panel keep it comfortable even when full.
Is the pump lever length adjustable?
Yes — it adjusts for optimal ergonomic positioning.
STIHL SG 71 Backpack Sprayer — 18 Litre
The STIHL SG 71 is a high-capacity, professional-grade backpack sprayer designed for demanding landscaping, horticulture and grounds maintenance tasks. An 18-litre capacity combines robust performance with comfort for extended periods of use.
It's in stock at Gustharts as an authorised STIHL dealer, with free UK delivery on this order.
The pump lever can be mounted on either the right or left side to suit individual preferences and reduce fatigue, with length adjustment for optimal ergonomic positioning. High-quality padded straps and a moulded back panel keep the fit comfortable even when the sprayer is full. An ergonomic shut-off valve integrates a built-in pressure gauge, letting you precisely monitor and control spray pressure for consistent application.
Key Features & Benefits
- 18-litre capacity — large tank for extensive spraying tasks
- Built for durability in demanding professional environments
- Ambidextrous pump lever, mountable left or right
- Adjustable pump lever length for ergonomic fit
- High-quality padded straps and moulded back panel
- Ergonomic shut-off valve with integrated pressure gauge
Technical Details
Why Choose the STIHL SG 71?
STIHL is one of the world's leading outdoor power tool brands, and the SG 71's ambidextrous pump lever and integrated pressure gauge give a genuine comfort and control edge over basic backpack sprayers — a real benefit across a full day of fertiliser, herbicide or pesticide application.
Pairs Well With
Complete your setup with a replacement spray lance or spray guard.
Also Known As
Also searched for as: STIHL SG71, STIHL 18L backpack sprayer, STIHL manual sprayer, professional backpack sprayer STIHL.
FAQs
Can the pump lever be switched sides?
Yes — it can be mounted on either the right or left side to suit your preference.
How is spray pressure controlled?
Via the ergonomic shut-off valve's integrated pressure gauge, letting you monitor and adjust pressure precisely.
What can this sprayer be used for?
Fertilisers, herbicides, pesticides and other liquid applications across landscaping and horticultural work.
Is it comfortable for extended use?
Yes — padded straps and a moulded back panel keep it comfortable even when full.
Is the pump lever length adjustable?
Yes — it adjusts for optimal ergonomic positioning.
Downloads
Delivery & Returns
UK Delivery
Fast, reliable delivery from our UK warehouse.
- FREE UK Standard Delivery
applies to eligible UK orders over £75 ex VAT.
Estimated delivery: 2–4 working days
- UK Standard Delivery from £3.60 + VAT
Estimated delivery: 2–4 working days
- Next Working Day Delivery – £6.00 + VAT
Order before 3:00pm (Monday–Friday) for next working day delivery
All UK orders are dispatched Monday–Friday and sent via a tracked courier service.
International Delivery
We ship worldwide from the UK.
- Europe from £10.00 - Estimated delivery: 2–7 working days
- Rest of the World from £12.00 - Estimated delivery: 2–11 working days
Shipping costs and delivery times are calculated at checkout based on destination and order contents.
Customs, Duties & Taxes
International orders may be subject to local import duties, taxes, or customs charges.
When UPS is selected at checkout, applicable duties and taxes are included in the total price. For other shipping services, duties and taxes may be charged separately on delivery and are the responsibility of the recipient.
Customs processing times may affect delivery estimates.
Returns
30-Day Return Policy
- Items can be returned within 30 days of delivery
- Products must be unused and in original condition
- Return postage costs apply unless the item is faulty or incorrect
For full details, please visit our Shipping & Returns page.
UK Delivery
Fast, reliable delivery from our UK warehouse.
- FREE UK Standard Delivery
applies to eligible UK orders over £75 ex VAT.
Estimated delivery: 2–4 working days
- UK Standard Delivery from £3.60 + VAT
Estimated delivery: 2–4 working days
- Next Working Day Delivery – £6.00 + VAT
Order before 3:00pm (Monday–Friday) for next working day delivery
All UK orders are dispatched Monday–Friday and sent via a tracked courier service.
International Delivery
We ship worldwide from the UK.
- Europe from £10.00 - Estimated delivery: 2–7 working days
- Rest of the World from £12.00 - Estimated delivery: 2–11 working days
Shipping costs and delivery times are calculated at checkout based on destination and order contents.
Customs, Duties & Taxes
International orders may be subject to local import duties, taxes, or customs charges.
When UPS is selected at checkout, applicable duties and taxes are included in the total price. For other shipping services, duties and taxes may be charged separately on delivery and are the responsibility of the recipient.
Customs processing times may affect delivery estimates.
Returns
30-Day Return Policy
- Items can be returned within 30 days of delivery
- Products must be unused and in original condition
- Return postage costs apply unless the item is faulty or incorrect
For full details, please visit our Shipping & Returns page.

