Wet Prime Trash Pump Generac PRO 2″ Semi-Trash Pump

Specifically engineered to handle muddy or sandy water, the ST20-S is powered by a 169cc Generac G-Force engine that pumps up to 158 gallons per minute. With features such as low-oil shut down, custom Easy Prime™ funnel design for quick and easy priming, and a large fuel tank with integrated fuel gauge, it’s both durable and easy to use.
- Durable 1” frame to withstand the harsh environment
- Powerful Generac G-Force 169cc engine with low-oil shut down
- Large 3-gallon fuel tank with incorporated fuel gauge delivers approximately 5 hours runtime
- Onboard instructions with icons of key touch points make this pump easy to use
- Easy Prime™ custom funnel design with tethered priming cap for quick and easy priming
- Color-coded suction and discharge ports to ensure the correct hose connections (Blue = Discharge; Green = Suction)
- Easily pumps up to 158 gallons per minute
- Silicon carbide mechanical seal for long life







NOTICE!
The information in this manual is known to be accurate as of the date of
release shown on the cover. However,
engineering changes can occur without notice. To obtain the proper parts,
please be sure to use the serial number of
the unit being when ordering from this manual. Always to refer to any parts
notes and changes before ordering. send in a quote or calling Ken’s
Distributing Company 303.699.7845 for pricing



Item | Part No | Description | QTY |
---|---|---|---|
1 | 0L63360110 | FRAME 2″ SEMI-TRASH PUMP | 1 |
2 | 0L4797 | SP17 Engine for 2″ Semi-Trash Pump | 1 |
3 | 0K95700114 | Pump Base Assembly (2″ Trash Pump) | 1 |
4 | 0K95700117 | Pump Body Shock Absorber | 1 |
5 | 0K95700115 | Shock Absorber B | 2 |
6 | 0K95700116 | Shock Absorber A | 2 |
7 | 0L63350112 | Vibration Mount | 4 |
8 | 0L63370146 | Spacer | 1 |
9 | 0K33910123 | Flange Bolt (M6X20) | 1 |
10 | 0L63370147 | Air Duct Bracket | 1 |
11 | 0H33750126 | Bolt (M6X12) | 1 |
12 | 0L63360111 | Muffler | 1 |
13 | 0L63360112 | Muffler Gasket | 1 |
14 | 0J00100243 | Nut (M0) | 10 |
15 | 0H33750248 | Bolt (M8X40) | 2 |
16 | 0K96270114 | Bolt (M8X12) | 1 |
17 | 0L63360113 | 2″ Semi-Trash Pump Assembly | 1 |
18 | 0K95700139 | 2″ Blue Band | 1 |
19 | 0K95700141 | Generac Plug O-Ring | 1 |
20 | 0K9080 | 2″ Easy Prime Cap | 1 |
21 | 0K95700143 | Fuel Tank (11.5L) | 1 |
22 | 0H3384 | Fuel Shutoff Valve | 1 |
23 | 0J08180222 | Clamp | 1 |
24 | 0J6626 | Fuel Hose 4.5X8.5MM (EPA/CARB) | 0.17 |
25 | 0H33750173 | Clamp | 3 |
26 | 0K95700149 | Fuel Tank Shock Absorber | 5 |
27 | 0K33910126 | Flange Bolt/Washer (M8X25) | 4 |
28 | 0K95700144 | Roll Over Valve | 1 |
29 | 0K95700145 | Fuel Filter (in Tank) | 1 |
30 | 0K95700147 | Screw (M5X14) | 2 |
31 | 0K95700151 | Fuel Gauge | 1 |
32 | 0K95700152 | Fuel Cap | 1 |
33 | 0K95700148 | Fuel Hose 4.5MM | 0.81 |



Item | Part No | Description | QTY |
---|---|---|---|
1 | 0L63360118 | Pump Cover | 1 |
2 | 0K95700119 | Pump Cover O-ring | 1 |
3 | 0L63360119 | MECHANICAL SEAL(DYNAMIC) | 1 |
4 | 0K95700121 | MECHANICAL SEAL(DYNAMIC) | 1 |
5 | 0J08180229 | FLAT WASHER | 15 |
6 | 0K95700122 | RUBBER WASHER | 4 |
7 | 0L63360114 | INNER HEX BOLT (5/16″- 24UNF X60) | 4 |
8 | 0L63360115 | 2″ IMPELLER (QT200) | 1 |
9 | 0L63360116 | 2″ VOLUTE | 1 |
10 | 0J08180237 | FLAT WASHER | 2 |
11 | 0J08180238 | SPRING WASHER | 2 |
12 | 0L63360117 | HEXAGON SOCKET CAP (M5X15) | 2 |
13 | 0K95700126 | 2″ VOLUTE O-RING | 1 |
14 | 0K95700127 | PUMP HOUSING | 1 |
15 | 0J08180230 | SPRING WASHER | 11 |
16 | 0K95700128 | BOLT (M8X30) | 4 |
17 | 0K95700129 | PLUG O-RING | 2 |
18 | 0K95700130 | PLUG | 2 |
19 | 0K96270126 | BOLT (M8X25) | 7 |
20 | 0K95700131 | FLAP VALVE | 1 |
21 | 0K95700156 | 2″ INTAKE VALVE SEAT | 1 |
22 | 0K95700140 | 2″ EASY PRIME DISCHARG FUNNEL GASKET | 1 |
23 | 0K9079 | 2″ EASY PRIME DISCHARGE FUNNEL | 1 |



Item | Part No | Description | QTY |
---|---|---|---|
1 | 0K95700132 | O-RING | 2 |
2 | 0K95700119 | HOSE BARB | 2 |
3 | 0K95700134 | JOINT GRIP | 2 |
4 | 0K95700154 | CLAMP | 3 |
5 | 0K95700137 | FILTER NET | 1 |
6 | 0K95700138 | DISCHARGE HOSE (2 INCH X 25 FEET) | 1 |
7 | 0K95700136 | SUCTION HOSE (2 INCH X 12 FEET) | 1 |