Hardknocks Diesel
Auto RepairHours:
114 S 8th St, Missouri Valley IA 51555 Hours
Wednesday
1 - 5PM
8AM - 12PM
Thursday
8AM - 12PM
1 - 5PM
About Hardknocks Diesel
Hardknocks Diesel is a highly regarded shop known for its straightforward and no-nonsense approach. Customers appreciate the knowledgeable staff, especially Brett, who is recognized for his expertise in diesel vehicles. The team provides top-quality service, including preventive maintenance that helps avoid future engine issues. Many customers drive long distances, such as 60 miles round trip, trusting the shop to keep their trucks in great condition. The shop is praised for its ability to diagnose problems effectively, often over the phone, and for saving customers money through smart repairs. Recent work includes building transmissions that improve shifts and fuel efficiency, as well as upgrading injectors and planning turbo enhancements for extra power. The environment is friendly and professional, and the staff's willingness to help, even in emergencies like breakdowns, earns strong customer loyalty. Overall, Hardknocks Diesel is considered the best diesel shop around, known for quality work and expert advice.
Most Recent Reviews
February 2026
Great Diesel shop with top notch guys. Very straight forward and no nonsense. Will definitely be doing more business with them.
January 2026
Nothing but top notch service from the guys at hard knocks diesel. Very knowledgeable and professional.
October 2025
First diesel tech to address future engine issues with preventable maintenance ,my Ford truck is in great hands.Totally satisfied with the work and advice.I drive 60 miles round trip to have them work on my truck,Worth my piece of mind.
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