HomeWincoWinco PSS20B

Winco PSS20B Generator Set

The Winco PSS20B is a 17 kW (17 kVA) LP Gas / Natural Gas standby generator set powered by a Briggs & Stratton Vanguard engine. It is available at 120/240 V, single-phase, 60 Hz and rated 71 A. It holds about 2.36 L (0.6 gal) of oil. Starting uses 1 group-26 battery rated 500 CCA at 12 V. The set measures 1393×927×957 mm (54.8×36.5×37.7 in), weighs about 446 kg (983 lb) and produces 75.8 dBA at 7 m. The same Vanguard engine also powers generator sets from Briggs & Stratton.

17 kW
Standby
0.993 L
Displacement
2.36 L
Oil capacity
1
Document types

Typical fuel consumption for 15–20 kW Bi-Fuel (NG/LP) generators →

Compare with other 15–20 kW Bi-Fuel (NG/LP) generators →

Service parts for the PSS20B

Grouped by system, with how many of each the parts manual calls for.

Air intake

1 required

Fuel system

1 required
04-0003Fuel filtersee priceAmazon

Oil system

1 required

Belts

1 required
04-0005Beltsee priceAmazon

Cooling system

1 required

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

FuelLP Gas / Natural Gas
Frequency60.0 Hz
Standby power17 kW
Standby kVA17
Prime power15 kW
ControllerDSE 3110 Digital
Oil capacity2.36 L
Voltage options120/240 V
Phasesingle
Rated current71 A
Circuit breaker80 A
Battery group26
Battery cranking500 CCA
Battery voltage12 V
Battery quantity1
Dimensions (L×W×H)1393×927×957 mm
Dry weight446 kg
Sound level75.8 dBA @ 7 m

Engine

Briggs & Stratton Vanguard
Oil capacity2.36 L
Displacement0.993 L
Aspirationnaturally aspirated
Rated speed3600 rpm

Maintenance & consumables

for the Briggs & Stratton Vanguard
ItemSpecCapacityPart #Interval
Air filterAir Filter04-0001 Amazon eBay
Fuel filterFuel Filter04-0003 Amazon eBay
Oil filter51335100 hr Amazon eBay $14.70 PartsGeek $11.97
Battery12V625 hr
BeltBelt04-0005 Amazon eBay
Coolant625 hr
Coolant filterCoolant Filter04-0004 Amazon eBay
OilSAE 10W-30, SAE 10W-30/20, SAE 10W-10100 hr
Spark plug0.70- 0.76 mm (0.028 - 0.030 in.)100 hr

Service specifications

5
TypeItemValueUnitCondition
OtherLoad acceptance100%rating/single step
OtherTotal harmonic distortion<5%
OtherWave distortion<1.5%
TemperatureTemperature rise125°C40°C ambient
VoltageVoltage regulation+/-5%

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
Engine oil10W-302.36 qts (2.5 QTS)Recommended for most applications

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Fault codes

9
CodeNameMeaningSeverityAction
Battery over/under voltageBattery over/under voltageBattery voltage out of rangeWarning
Fail to startFail to startEngine fails to startShutdown
Fail to stopFail to stopEngine fails to stopShutdown
High engine oil tempHigh engine oil temperatureEngine oil temperature exceeds maximumWarning
High voltageHigh voltageOutput voltage above thresholdWarning
Low oil pressureLow oil pressureEngine oil pressure below thresholdShutdown
Low voltageLow voltageOutput voltage below thresholdWarning
Over frequency/speedOver frequency/speedGenerator speed above normalWarning
Under frequency/speedUnder frequency/speedGenerator speed below normalWarning

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Procedures

1
Generator Cooling System operation
  1. Three intakes provide adequate air flow even if intakes become partially obstructed
  2. Exclusive three chamber design controls air movement through the generator
  3. Heat is discharged away from intakes to prevent recirculation
  4. After engine shutdown, venting system uses convection to reduce heat soak

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Voltage reconnection

VoltagePhaseConnectionLeadsNotes
120/240V1-Ph2 Pole Rotating FieldSingle phase configuration

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

What size generator is the Winco PSS20B?

The Winco PSS20B is rated 17 kW standby (17.0 kVA).

What engine is in the Winco PSS20B?

The Winco PSS20B is powered by the Briggs & Stratton Vanguard engine.

What fuel does the Winco PSS20B use?

The Winco PSS20B runs on LP Gas / Natural Gas.

How much oil does the Winco PSS20B take?

The Briggs & Stratton Vanguard engine in the Winco PSS20B has an oil capacity of 2.36 liters.

What oil filter does the Winco PSS20B use?

The Winco PSS20B uses oil filter part number 51335.

Which fuel filter part number does the Winco PSS20B take?

The Winco PSS20B uses fuel filter part number 04-0003.

Which air filter part number does the Winco PSS20B take?

The Winco PSS20B uses air filter part number 04-0001.

Parts

62
Part #DescriptionQtySystem
04-0001Air Filter1Air filter Amazon eBay
04-0002Oil Filter1Oil filter Amazon eBay
04-0003Fuel Filter1Fuel filter Amazon eBay
04-0004Coolant Filter1Coolant filter Amazon eBay
04-0005Belt1Belt Amazon eBay
04-0006Spark Plug1Spark plug Amazon eBay
18011MOTOR, HYDRAULIC DRIVE2Motor Amazon eBay
18011SKSEAL KIT, DRIVE MOTOR1Seal Amazon eBay
18016CABLE, PARKING BRAKE1Cable Amazon eBay
18027HOSE, DRIVER MOTOR CROSSOVER1Hose Amazon eBay KuduParts $195.00
18029WHEEL, DRIVE1Wheel Amazon eBay
18035PUMP, HYDROSTATIC1Pump Amazon eBay
18040HUB, DRIVE2Hub Amazon eBay
18043SWITCH, KILL1Switch Amazon eBay
18044SWITCH, TRACTION ASSIST1Switch Amazon eBay
18049WHEEL, STEERING1Wheel Amazon eBay
18132LEVER ,THROTTLE1Lever Amazon eBay
18133CABLE, THROTTLE1Cable Amazon eBay
18166CAP, FUEL1Filter Amazon eBay
18190SCREW, HUB STUD 1/2-13X 3 IN.8Screw Amazon eBay
18195DECAL, WHITEMAN SAFETY INSTRUCTIONS1Decals Amazon eBay
18213DECAL, BUCKET DUMP LEVER1Decals Amazon eBay $39.99 KuduParts $34.00
18214DECAL, TRAVEL LEVER DIRECTION1Decals Amazon Amazon eBay eBay KuduParts $32.00
18225DECAL, GASOLINE ONLY1Decals Amazon eBay
18237LUG BOLT/HUB FLANGE8Bolt Amazon eBay
18245DECAL, FORKLIFT LIFTING6Decals Amazon eBay FridayParts $124.50
18247DECAL, CRUSH WARNING1Decals Amazon eBay
18248DECAL, HOT SURFACE WARNING1Decals Amazon eBay
18252DECAL, MQ WHITEMAN2Decals Amazon eBay
20763FILTER, IN-LINE FUEL5Filter Amazon eBay
491689KEY, COTTER 1/8 X 22Key Amazon eBay
492527NUT, HEX 1/2-208Nut Amazon eBay
492584NUT, HEX 1/2-13 NYLON...................................8................REPLACES 61091608Nut Amazon eBay
492600WASHER, FLAT 1/28Washer Amazon eBay
505718SCREW, HHC 1/2-13 X 2-3/48Screw Amazon eBay
508667FILTER, HYDRAULIC OIL1Filter Amazon eBay
511692FLANGE, HUB2Flange Amazon eBay
511810ADAPTER, ELBOW2Adapter Amazon eBay
512189ADAPTER, T - CONNECTOR2Adapter Amazon eBay
512202ADAPTOR, STRAIGHT ASSY.1Adapter Amazon eBay
512446DECAL, WPB-16EAWD2Decals Amazon eBay
513547ADAPTOR, ELBOW1Adapter Amazon eBay
513601HOSE, MANIFOLD1Hose Amazon eBay FridayParts $478.97
513602HOSE, MANIFOLD1Hose Amazon eBay
513603HOSE, MANIFOLD1Hose Amazon eBay
513605HOSE, LH HYDRAULIC MOTOR1Hose Amazon eBay
513606HOSE, RH HYDRAULIC MOTOR1Hose Amazon eBay
513607HOSE, HYDRAULIC1Hose Amazon eBay
513608DECAL, LIFTING HOOK3Decals Amazon eBay
513609PLATE, AWD/2WD DRIVE MODE1Plate Amazon eBay
516528FLANGE HUB, ASSY1Flange Amazon eBay
EM985DECAL, HYDRAULIC OIL1Decals Amazon eBay
N/A-001Air Filter Components1Air filter buy
N/A-002Oil Filter1Oil filter buy
N/A-003In-Line Fuel Filter1Fuel filter buy
N/A-004Spark Plug1Spark plug buy
PE449105KEY, WOODRUFF 1-1/4 32 MM2Key Amazon eBay
PT018038NUT, CASTLE 1-1/8-182Nut Amazon eBay
18145ROD, BRAKE CONTROL1Service part / kit Amazon eBay
18316LINING, BRAKE1Service part / kit Amazon eBay
511719COUPLING, ENGINE SHAFT1Service part / kit Amazon eBay
em16754switch, 2WD/AWD toggle",Service part / kit Amazon eBay

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Standby100%13.673.61

Available documents

Spec sheet (Winco)
Full service, cheapest listings

Priced items from this model's own parts manual.

Oil filter 51335$11.97
1 priced item$11.97