Detroit Diesel Series 60 11.1L Engine Overhaul Kit Catalog

The Detroit Diesel Series 60 11.1L engine has earned a legendary reputation for reliability, fuel efficiency, and durability in demanding applications. From long-haul trucks to buses and industrial equipment, the 11.1L version of the Series 60 provided a lighter option compared to its larger 12.7L and 14L counterparts, without sacrificing power and efficiency.

Every engine eventually requires a rebuild, and that’s where Diesel Pro Power comes in. We provide complete overhaul kits for the Detroit Diesel Series 60 11.1L, covering every essential wear component — pistons, liners, rings, bearings, seals, gaskets, and supporting hardware. Whether you are completing an inframe overhaul or a full rebuild, our kits ensure that your engine is restored to factory-level performance.

With over 40,000 satisfied customers worldwide and shipping to more than 180 countries, Diesel Pro Power is the trusted supplier for professional operators, repair facilities, and fleet managers. This catalog is your complete guide to Series 60 11.1L overhaul kits and related components.

Understanding the Detroit Diesel Series 60 11.1L

Before diving into the overhaul kit catalog, it’s helpful to understand the engine itself. The Detroit Diesel Series 60 was introduced in the late 1980s and became one of the first fully electronic heavy-duty engines in the trucking industry.

The 11.1L displacement version was particularly popular with fleets that needed a balance between fuel economy and horsepower. Typical output for the 11.1L engine ranged between 300 to 350 horsepower, making it well-suited for line-haul applications, regional transport, and vocational vehicles where fuel efficiency was as important as pulling power.

Key advantages of the Series 60 11.1L included:

• Electronic Controls (DDEC) – Advanced monitoring and fuel management improved efficiency and diagnostics.

• Lightweight Design – A smaller displacement meant reduced engine weight compared to the 12.7L and 14L, improving overall vehicle weight balance.

• Durability – With proper maintenance, these engines regularly surpassed one million miles of operation.

However, after years of service, internal components such as pistons, liners, and bearings wear down. That’s why overhaul kits are critical to extending the life of the Series 60 11.1L.

Inframe & Overhaul Kits for the Series 60 11.1L

An inframe overhaul kit provides all the major components needed to rebuild the lower end of your engine without removing it from the vehicle. This is the most common type of rebuild for Series 60 operators, as it minimizes downtime and labor.

Piston-Less Inframe Kits

For customers who wish to reuse existing pistons, the piston-less kit provides all the other required components — liners, gaskets, seals, bearings, and hardware. This option is cost-effective while still restoring engine performance and sealing integrity.

• Applications: Best for operators with pistons in good condition who want to refresh liners and bearings.

• Benefits: Reduces rebuild costs while still providing reliable engine restoration.

Full Inframe Kit with Cast Iron Pistons

For a complete refresh, the standard inframe kit includes cast iron pistons with a 15:1 compression ratio, new liners, piston rings, pins, bearings, and gaskets.

• Applications: Ideal for 11.1L Series 60 engines used in trucking, vocational, and industrial applications.

• Benefits: Extends engine life, restores original compression, and ensures factory-level performance.

Cylinder Kits for Series 60 11.1L

Cylinder kits are a critical part of any overhaul. They include a piston, liner, piston rings, wrist pin, and retainers.

Standard Dome Cast Iron Piston – 15:1 Compression

This configuration maintains the original factory compression ratio for the 11.1L Series 60. The 15:1 ratio provides excellent fuel economy and stable combustion, making it ideal for fleet operators concerned with efficiency.

Articulated Piston – 16.5:1 Compression

For more demanding applications, articulated pistons are offered with a 16.5:1 compression ratio. These pistons are designed for higher load applications and improve combustion efficiency.

• Benefits: Increased power and torque.

• Applications: Heavy-haul trucking, industrial use, and operators working in demanding climates where stronger combustion is needed.

Understanding Compression Ratios:

• 15:1 Compression Ratio – Balanced performance and fuel efficiency.

• 16.5:1 Compression Ratio – Higher combustion pressure for more power and efficiency, often used in heavy-duty or extreme-duty applications.

Cylinder Liners & Seal Kits

Top Liner Cooled (TLC) Liners

The TLC design includes enhanced coolant passages around the liner, providing better thermal stability and preventing hot spots inside the engine. This reduces the risk of liner scoring and piston seizure.

Liner Seals & Service Rings

Proper sealing is essential to prevent coolant leakage and combustion gas blow-by. Each overhaul should include fresh liner seals.

Liner Shims

Available in stainless steel and brass, liner shims are used to adjust liner protrusion height to precise factory specifications. Incorrect liner height can lead to gasket failure and head leaks.

Pistons, Rings, & Cooling Nozzles

Piston Ring Sets

Piston rings are responsible for sealing combustion gases, controlling oil consumption, and transferring heat. Replacement during overhaul is mandatory.

Piston Cooling Nozzles

These nozzles spray oil on the underside of the piston, reducing heat and preventing thermal failure. A small, inexpensive part — but critical for piston longevity.

Piston Ring Compressors

Tools designed to compress piston rings during installation, ensuring correct placement into liners without ring breakage.

Gasket & Seal Components

Overhaul Gasket Kit

Includes every major gasket and seal needed for a full engine rebuild. Designed to prevent leaks at every critical sealing point.

Crankshaft Seals

• Front Crankshaft Seal – Keeps oil inside the timing cover area.

• Rear Crankshaft Seal – Prevents oil leakage at the flywheel housing. Available with sleeves to repair worn crankshaft surfaces.

Thermostat Seals

Ensures leak-free installation of thermostats, keeping the cooling system sealed and efficient.

Bearings & Bushings

Main Bearings

Available in both standard and oversize dimensions. Main bearings provide crankshaft support and proper oil clearance.

Flange Bearings & Thrust Washers

Control axial crankshaft movement, preventing wear on block saddles.

Connecting Rod Bearings

Available in both standard and oversize sizes, with multiple width options. Proper selection is critical for rod-to-crankshaft clearance.

Connecting Rod Bushings

Bushings ensure proper piston pin movement within the connecting rod.

Camshaft Bearings

Reduce friction and maintain alignment for the camshaft, ensuring smooth valve timing.

Hardware & Fasteners

Cylinder Head Bolts

Always replaced during an overhaul, head bolts provide clamping force between block and head.

Injector Installation Kits

Includes all necessary components for reinstalling injectors properly, ensuring proper sealing and fuel delivery.

Filtration & Cooling Components

Fuel Filters

Primary and secondary spin-on filters protect the injection system from contaminants.

Oil Filters

Designed for Series 60 lubrication systems, ensuring clean oil supply to bearings and valve train.

Thermostats

Available in both 180° and 190° versions, thermostats regulate coolant flow to maintain optimal operating temperatures.

Tools & Installation Equipment

• Fuel Filter Wrenches – Designed for quick and easy removal of spin-on filters.

• Oil Filter Wrenches – Fit multiple filter sizes for servicing the lubrication system.

• Piston Ring Compressors – Ensures safe installation of piston assemblies.

Gauges & Monitoring Accessories

Fuel Gauges (12V & 24V)

Allow operators to monitor fuel levels accurately.

Fuel Gauge Senders

Adjustable units compatible with multiple tank depths.

Mechanical & Electrical Gauges

Includes pressure, temperature, and system monitoring gauges in both mechanical and electrical formats.

Why Choose Diesel Pro Power for Detroit Diesel Series 60 11.1L Overhaul Kits

• Trusted by 40,000+ Customers Worldwide – Diesel Pro Power is a proven supplier for fleets, shipyards, and industrial operators.

• Global Shipping to Over 180 Countries – Wherever your engine is located, we deliver quickly and reliably.

• Complete Catalog in One Place – From pistons to gauges, everything you need is stocked and ready to ship.

• Exclusive Focus on Marine & Industrial Engines – Unlike automotive parts suppliers, we specialize in heavy-duty, continuous-duty diesel power.

• Expert Technical Support – Our team can help you select the correct compression ratio, gasket set, or bearing type for your Series 60 11.1L rebuild.

• Proven Reliability – With decades of experience, Diesel Pro Power helps operators keep their Detroit Diesel Series 60 engines running at peak performance.