The Caterpillar C7 diesel engine was used in buses, trucks, and RVs in 2003 – 2009.
Problems reported by owners:
- Low power
- Poor fuel economy
- Overheating under load
- Clogged filters
- High oil consumption
- Valve failure
- Cracked heads
- Crankshaft failing
Oil Capacity is 19 qts of 15 W 40 or 10 W30.
Video:
Cat C7 Engine Specs:
- 300 hp @ 2200 RPM
- 925 lb-ft @ 2200 RPM
- tow capacity 9k lbs
- Inline 6, 4-Stroke-Cycle Diesel
- 7.2L displacement
- 16.2:1 compression
- 1296 lbs. dry weight
It looks like this:
