
Operator’s Manual for Power Washer 1
FEATURES
• EASY PRIME
TM
Funnel design for quick
and easy priming
• Hose kit included - 12’ suction hose, 25’
of discharge hose strainers and connec-
tors
• Powerful Generac Pump - Can pump up to
158 gallons per minute
• Color coded suction and discharge ports
to ensure the correct hose connections
• Durable design - Silicon Carbide Seal,
Cast Iron Volute and Impeller
• Generac’s 208cc OHV engine with splash
lubrication provides a long engine life
• Low-oil shutdown automatically safe-
guards engine from damage
ST20K
®
Semi-Trash Water Pump Kit
ST20K 2.0”
Model 6822-0 (49ST/Canada)
UPC: 6964710682241
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2 Operator’s Manual for Power Washer
SPECIFICATIONS
Engine Type 4 cycle/OHV
Engine Displacement (cc) 208
Start Type Recoil Pull Start
Lubrication Method Splash
Low Oil Shutdown Method Low Level
Recommended Oil 10W-30 / SAE30
Fuel Capacity (gal.) L (3) 11.5
Max Run Time 5hrs
Flow (GPM) LPM (158) 598
Max Total Head (ft.) m (108) 32.9
Max Suction Lift (ft.) m (26) 7.9
Mechanical Seal Type Silicon Carbide
Solid Handling (in.) mm (0.25) 6.4
Suction Port (NPT) 2
Discharge Port (NPT) 2
Pump Housing Aluminum
Impeller Cast Iron
Volute Cast Iron
Hose Kit Included Yes
Discharge Hose Length (ft.) m (25) 7.6
Suction Hose Length (ft.) m (12) 3.7
Hose Connections Metal Speed Nut
Strainer Plastic
Wheel Kit Yes
Country of Origin China
Warranty 1 Year
Manual Part # 0K9077
Length (in) mm (23.1) 587
Width (in) mm (23.1) 588
Height (in) mm (21.3) 541
Extended Length (in) mm (37.8) 959
Unit Weight (lbs) kg (36.2) 16.4
Carton Length (in) mm (32.5) 825
Carton Width(in) mm (18.5) 470
Carton Height (in) mm (19.3) 490
Unit Weight (lbs) kg (73.9) 33.5
Shipping Weight (lbs) kg (98.5) 44.7
ST20K 2.0”
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®
Generac Power Systems, Inc. • P.O. Box 8, Waukesha, WI 53187 • generac.com
©2014 Generac Power Systems, Inc. All rights reserved. All specifications are subject to change without notice. Part No. 0L1987-A. Printed in U.S.A. 1/7/15
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