STIHL SG 71 4.75-Gallon Backpack Sprayer | 4255 019 4971 The STIHL SG 71 Manual Backpack Sprayer is a professional-grade sprayer designed for dependable and precise application of liquid treatments in landscaping, lawn care, agriculture, and other outdoor applications. With an 18-liter (approximately 4.76-gallon) capacity, the SG 71 provides high capacity while maintaining a comfortable backpack design. STIHL Part Number: 4255 019 4971 Features That Make a Difference Genuine STIHL SG 71 manual backpack sprayer Part Number: 4255 019 4971 Tank Capacity: 18 L / approximately 4.76 gal Professional-grade manual spraying system Internal pump protects the pump mechanism from external damage Interchangeable pump lever can be mounted for right- or left-handed operation Separate pressure reservoir means the entire tank does not need to be pressurized Ergonomic shut-off valve with pressure gauge Adjustable support harness for improved carrying comfort Specifications Specification Details Brand STIHL Model SG 71 Part Number 4255 019 4971 Product Type Manual Backpack Sprayer Tank Capacity 18 L / approx. 4.76 gal Hose Length 1500 mm / approx. 59" Maximum Tool Length 510 mm / approx. 20" Width 398 mm / approx. 15.7" Height 548 mm / approx. 21.6" Power Source Manual STIHL lists the SG 71's container capacity as 18 liters, with a 1500 mm hose and 510 mm maximum tool length. Professional Backpack Sprayer The SG 71 is designed for users who need to cover larger areas efficiently. Its high-capacity tank is suitable for professional landscaping and other outdoor spraying applications. STIHL specifically describes it as a high-capacity sprayer for professionals and suitable for fields and wide-open spaces. The internal pump is located inside the tank, helping protect the pump mechanism from external damage. The separate pressure reservoir also allows only a portion of the fluid to be pumped, rather than requiring the entire tank to be pressurized. Comfortable and Versatile Design The SG 71 features an interchangeable pump lever, allowing the operator to position the lever on either side of the sprayer. This makes the unit suitable for both right- and left-handed users. The adjustable support harness is designed to distribute the load across the shoulders and back, helping improve comfort during extended use. Pressure Control The ergonomic shut-off valve includes a pressure gauge, providing the operator with better control during spraying applications. This can help support more consistent application when used according to the product and chemical manufacturer's instructions. Ideal Applications The STIHL SG 71 can be used for suitable liquid spraying applications such as: Landscaping Lawn care Grounds maintenance Agricultural applications Plant treatment Pest-control applications Application of compatible fertilizers and treatment products Always verify that the chemical or treatment product is approved for use with the sprayer and follow its label directions. Important Safety Information The SG 71 is intended for use according to its operating instructions and the requirements of the products being sprayed. Always: Read and follow the STIHL owner's manual before use. Follow the chemical manufacturer's label and safety instructions. Wear the required personal protective equipment. Do not exceed the sprayer's specified capacity. Inspect the tank, hose, pump, wand, and shut-off valve before use. Never use a chemical that is incompatible with the sprayer. Clean and store the sprayer according to the manufacturer's instructions. STIHL warns that improper use of power equipment can result in serious or fatal injury and recommends reading and understanding the operating and safety instructions before use. Why Buy from Barry’s Power Equipment? Barry’s Power Equipment provides quality STIHL outdoor power equipment and replacement parts. Genuine STIHL products Professional-grade equipment Competitive Pricing Fast Shipping Expert Customer Support The STIHL SG 71 combines an 18-liter / approximately 4.76-gallon capacity, professional backpack design, internal pump, adjustable pump lever, separate pressure reservoir, and ergonomic pressure-gauge shut-off valve for dependable manual spraying. SEO Keywords: STIHL SG 71, SG71, STIHL SG 71 backpack sprayer, STIHL 4255 019 4971, 42550194971, STIHL 4.75 gallon backpack sprayer, STIHL 4.76 gallon backpack sprayer, STIHL 18L backpack sprayer, manual backpack sprayer, professional backpack sprayer, STIHL sprayer, STIHL lawn sprayer, STIHL agricultural sprayer, STIHL pesticide sprayer, STIHL chemical sprayer, STIHL landscaping sprayer, STIHL SG 71 sprayer, Barry’s Power Equipment.