
Experiencing performance issues with your Isuzu truck? We deliver expert Isuzu repair services for N-Series and F-Series models—backed by advanced diagnostics and 24/7 mobile support.
Isuzu Repair & Maintenance in Denver, CO, and Kalispell, MT
We service all Isuzu models with precision. Our technicians are equipped to handle everything from 4HK1 engine diagnostics to emissions issues, electrical faults, and chassis wear. Whether your truck won’t regen or it’s experiencing a loss of power, we provide fast, accurate diagnostics and targeted repairs. With mobile repair capabilities and shop service available, we ensure minimal downtime and long-lasting performance.
Complete Isuzu Truck Services
Iron Buffalo provides full repair and maintenance services for all Isuzu truck models. Our service offerings include:
- 4HK1 diesel engine diagnostics and repair
- N-Series and F-Series engine and drivetrain service
- Cab-over system inspections and maintenance
- Transmission and clutch repairs
- DPF, SCR, and EGR emissions system service
- HVAC system diagnostics
- Electrical fault detection and repair
- Brake, suspension, and steering repairs
- PTO and fuel system service
- Preventive maintenance and DOT readiness
We use Isuzu-specific diagnostic tools to ensure the most accurate service and lasting results.
Benefits of Isuzu Trucks
Isuzu trucks are known for their compact footprint, maneuverability, and impressive payload capacity. With models like the NPR and FTR, Isuzu delivers reliable performance in last-mile, urban delivery, and vocational use cases.
Their cab-over design provides excellent visibility and tighter turning radius, ideal for busy streets and warehouse operations. Isuzu’s 4HK1 diesel engines are engineered for durability, fuel efficiency, and compliance with modern emissions standards.
Need Isuzu Repair Service?
Need professional Isuzu diagnostics or repair? Call Iron Buffalo at 303-623-7049 (Denver) or 406-890-7001 (Kalispell). We’ll get your truck back to peak performance quickly and professionally.
FAQs
What Areas Do You Serve?
We offer 24/7 mobile repairs and roadside assistance in the following areas:
Colorado: Boulder, CO; Aurora, CO; Centennial, CO; Fort Collins, CO; Greeley, CO; Georgetown, CO; Brighton, CO; Castle Rock, CO; Colorado Springs, CO; and Longmont, CO.
Montana: Whitefish, MT; Bigfork, MT; Somers, MT; Polebridge, MT; Thompson Falls, MT; Polson, MT; Rollins, MT; Libby, MT; and Eureka, MT.
What Isuzu Models Do You Repair?
We service all Isuzu diesel truck models including NPR, NRR, NQR, FTR, and older cab-over platforms.
Can You Perform Mobile Isuzu Truck Repairs?
Yes. We provide 24/7 mobile service for Isuzu trucks, including diagnostics, emissions service, and minor mechanical repairs.
How Can I Get in Touch?
If you're ready to schedule diesel repairs, call Iron Buffalo today at 303-623-7049 (Denver) or 406-890-7001 (Kalispell).
Customer testimonials

Light, Medium & Heavy-Duty Truck Repair Services in Denver, CO & Kalispell, MT
Trusted Diesel Repair & Fleet Services - Keeping You on the Road & Job Site
Commerce City, CO
5590 E 55th St, Commerce, City, CO
Kalispel, MT
104 Rocky Cliff Lane, Unit 1, Kalispell, MT