Forum Discussion
nickdarr
Jul 17, 2017Explorer
According to the Onan 5500 specs from the owner's manual:
Average fuel consumption: Gasoline
No load 0.3 Gal/h (1.3 L/h)
Half load 0.6 Gal/h (2.3 L/h)
Full load 0.9 Gal/h (3.6 L/h)
LPG:
No load 0.4 Gal/h (1.8 lb/h)
Half load 0.8 Gal/h (3.3 lb/h)
Full load 1.1 Gal/h (4.6 lb/h)
Maximum power: Gasoline-fueled models: 12.9 bhp (9.6 kW), LP-fueled models: 10.7 bhp (8.0 kW)
Average fuel consumption: Gasoline
No load 0.3 Gal/h (1.3 L/h)
Half load 0.6 Gal/h (2.3 L/h)
Full load 0.9 Gal/h (3.6 L/h)
LPG:
No load 0.4 Gal/h (1.8 lb/h)
Half load 0.8 Gal/h (3.3 lb/h)
Full load 1.1 Gal/h (4.6 lb/h)
Maximum power: Gasoline-fueled models: 12.9 bhp (9.6 kW), LP-fueled models: 10.7 bhp (8.0 kW)
About Technical Issues
Having RV issues? Connect with others who have been in your shoes.24,330 PostsLatest Activity: Oct 30, 2025