Onan Performer OHV 20 Engine User guide
• The Performer engine comes emissions-certified
and ready-to-install without modification.
• Every Onan engine is built to the same high
standard by a company with over 50 years of
engine design experience.
• Onan engines are serviceable at Cummins Onan
distributors and certified dealers worldwide.
• Factory and regional service training available.
• Cast iron cylinder sleeves
• Large dual element air cleaner
• Full-pressure lubrication
• Full-flow spin-on oil filter
• Electronic ignition
Engine Speed
(rpm)
3600
3000
2400
15 Amps @ 12.6 volts
Regulated
15.0
13.2
11.2
1800
Engine Speed
(rpm)
3600
Air Flow
(cfm)
706
8.5
• 12 V solenoid shaft starter
• Pulse-type fuel pump
• Fixed-speed governor
• Low oil pressure cutoff switch
• Three-year warranty
Nominal System Voltage:
Maximum Total Battery Cable Resistance, Ohms:
Starter Solenoid
- Minimum Pull-In Volts:
- Minimum Hold-In Volts:
- Nominal Pull-In Amps:
- Nominal Hold-In Amps:
12
0.002
8
8
31
9
Load gal/hr lb/hr kg/hr
Full 1.96 11.58 5.26
3/4 1.52 9.02 4.10
1/2 1.14 6.75 3.07
Note: Load at 3600 rpm
• Length, in (mm): 12.48 (317)
• Width, in (mm): 18.78 (477)
• Height, in (mm): 18.70 (475)
Bore & Stroke, in (mm) 3.15 x 2.56
(80 x 65)
Rated Output (at 3600 rpm), hp (kW) 20.5 (15.3)
Continuous Output (at 3600 rpm), hp (kW) 16.0 (11.9)
Displacement, in
Compression Ratio 8.3:1
Weight, lb (kg) 96.9 (44)
Oil Capacity, qt (cm
Maximum Torque @ 2200 rpm, kgm (ft-lb) 4.52 (32.7)
3
(cm3) 39.90 (653)
3
) 1.64 (1550)
GENUINE ONAN MAINTENANCE PARTS AND PRODUCTS - For your ongoing
satisfaction and the dependability of your Onan engine, Onan offers a complete line of
parts, oil and maintenance chemicals specifically designed for Onan engines available
at your nearby certified Onan dealer.
EASY-TO-LOCATE CERTIFIED ONAN SERVICE AND PARTS DEALERS - Onan
has trained, tested and certified over 1000 authorized Onan Service Dealers covering
most major metropolitan areas of the United States and Canada. To easily locate the
certified Onan Service Dealer, no matter where you travel, call 1-800-888-ONAN or
look in the yellow pages under "Engines."
• Three year limited warranty.
• Two year warranty on emission-related components.
• Five year extended warranty available.
See Your Onan Distributor:
For your nearest distributor, call 1-800-888-ONAN
Onan Corporation 1400 73rd Avenue N.E. Minneapolis, MN 55432
612/574-5000 1-800-888-ONAN Fax: 612/574-8289
Onan is a registered trademark of Onan Corporation.
© 2000Onan Corporation Specifications subject to change without notice A-1415
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