About Diamond Fleet Service LLC
Diamond Fleet Service LLC serves semi trucks and commercial diesel fleets across central Pennsylvania, handling everything from routine preventive maintenance to full diesel engine repair and DOT inspections. Located in Myerstown, Pennsylvania, the shop sits within a 15-mile service radius that covers Richland, Lebanon, Jonestown, Bethel, and Robesonia, positioning it to support owner-operators and fleet managers throughout the region. The operator offers both shop-based fleet maintenance and mobile service, bringing repair capability to trucks in the field when downtime must be minimized. Whether the work involves semi truck repair, engine diagnostics, or compliance inspections, the business focuses on keeping commercial diesel equipment running. Call (717) 929-0379 for fleet service.
Gallery
Our Services
Fleet Maintenance
Diesel Engine Repair
DOT Inspections
Semi-Truck Repair
Mobile Service
Preventive Maintenance
Diesel Specialist
Commercial & Fleet
Customer Reviews
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Verified Customer
Google Review
These guys are great. First of all, let me preference this review by saying, I own an older diesel RV. These guys have never complained about working on this rig. Every time I have taken it to them for either service, repairs or just an ...
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Verified Customer
Google Review
Response from the owner
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Verified Customer
Google Review
This place is so cool they making their work so fast and not waiting there like 2-3 days like on other services