The Detroit Diesel Engine Range; Series 60, DD13, DD15 & DD16
Detroit Diesel has produced diesel engines across a broad span of displacement, output, and application from the high-torque mid-range platforms suited to medium-heavy equipment through to the highest-output platforms that power the most demanding long-haul and heavy industry applications in current production. Understanding where each Detroit Diesel platform sits within that range is the foundation of sourcing the correct replacement engine for your machine and application.
The full Detroit Diesel engine range we cover at Imara Engineering:
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Detroit Diesel Series 60 — 12.7L — the most widely deployed variant of the legendary Series 60 platform, powering an enormous global install base of on-highway trucks, heavy plant equipment, and industrial machinery. The 12.7-litre Series 60 defined an era of heavy diesel engineering and remains in active service across global fleets decades after its introduction
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Detroit Diesel Series 60 — 14L — the high-displacement variant of the Series 60 platform, delivering greater torque output for the most demanding haulage and heavy plant applications. The 14-litre Series 60 is among the most sought-after rebuilt engine specifications in the global heavy diesel market
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Detroit Diesel DD13 — a 12.8-litre six-cylinder modern platform designed for medium-heavy on-highway and plant applications, delivering high fuel efficiency and strong torque output in a package sized for a broader range of equipment installations than the larger DD15
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Detroit Diesel DD15 — Detroit's most widely deployed current-production platform. The 14.8-litre DD15 is the dominant engine in North American heavy-duty on-highway trucking and is increasingly deployed across heavy plant and large equipment applications globally. The highest-demand Detroit Diesel platform in our range
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Detroit Diesel DD16 — Detroit's highest-displacement and highest-output current-production platform, producing up to 600 horsepower for maximum-duty long-haul and ultra-heavy equipment applications where the DD15's output is a limiting factor
Detroit Diesel Series 60 Engines for Sale; The Legend of Heavy Diesel
The Detroit Diesel Series 60 occupies a unique position in the history of diesel engines. Introduced in 1987 as the first electronically controlled diesel engine in the on-highway heavy truck market, the Series 60 combined electronic fuel injection management with a proven inline-six architecture to deliver fuel efficiency, power output, and emissions performance that defined a generation of heavy diesel engineering. It rapidly became the dominant engine in North American Class 8 trucking, and its deployment across heavy plant, industrial, and generator set applications globally created an install base that sustains strong replacement demand to this day.
The Series 60 exists in two primary displacement configurations, each with distinct output specifications and applications:
Detroit Series 60 — 12.7 Litre
The 12.7-litre Series 60 is the most widely deployed variant of the engine that built the platform's global reputation across hundreds of thousands of heavy trucks and plant machines. Key specifications and applications:
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Displacement — 12.7 litres, six-cylinder inline configuration
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Output range — 370 to 500 horsepower across the production range, depending on DDEC specification and rating
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Electronic management — DDEC II, III, IV, and V systems across the production run, with each generation carrying distinct diagnostic and programming requirements that must be confirmed before a replacement engine is sourced for an electronically dependent machine
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Applications — Class 8 on-highway trucks, heavy plant equipment, stationary power generation, and marine applications across global fleets
Detroit Series 60 — 14 Litre
The 14-litre Series 60 delivers the same proven Series 60 architecture with increased displacement for greater torque output and sustained high-load capability. Key specifications:
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Displacement — 14 litres, six-cylinder inline configuration
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Output range — 470 to 600 horsepower — the Detroit Series 60 600 hp configuration is among the highest-demand specifications in our rebuilt Series 60 range
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Applications — heavy haulage, maximum-duty Class 8 trucking, high-output plant equipment, and industrial power applications demanding the upper end of the Series 60 output range
Both Series 60 variants are available from Imara Engineering as used, reconditioned, and rebuilt units, with serial numbers confirmed and full DDEC documentation included with every unit dispatched.
Detroit DD15 Engines for Sale: The Highest-Demand Detroit Platform
The Detroit Diesel DD15 is the most widely deployed and highest-demand platform in our Detroit Diesel range and the engine that carries the Series 60's legacy into the modern era of advanced fuel management and emissions-compliant diesel combustion. The 14.8-litre DD15 became the dominant engine in North American Class 8 trucking from its introduction in 2007 and has progressively extended its deployment into heavy plant and large equipment applications globally, creating a rapidly growing global install base that drives consistently strong demand for used, rebuilt, and reconditioned DD15 units.
Key specifications and applications for the DD15 platform:
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Displacement — 14.8 litres, six-cylinder inline configuration
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Output range — 455 to 560 horsepower in standard configurations, with the DD15 turbo producing elevated output in high-performance specifications
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Fuel system — common-rail high-pressure fuel injection with Detroit's proprietary DD-Platform management system — requiring electronic compatibility confirmation before a replacement engine is sourced for any electronically integrated machine
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Applications — Class 8 on-highway long-haul trucking, heavy plant equipment, articulated and rigid haul trucks, and large industrial machinery across global markets
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DD15 injector — a high-demand component in the broader Detroit Diesel parts range, reflecting the DD15's reliance on precision fuel delivery for its efficiency and output performance
Available from Imara Engineering as used, reconditioned, and rebuilt units, all cross-referenced to your machine serial number and electronic configuration before dispatch.
Detroit DD13 Engines for Sale: The Mid-Range Modern Platform
The Detroit Diesel DD13 is a 12.8-litre six-cylinder platform positioned within the DD-series range as the mid-range option between the smaller ancillary drive configurations and the higher-displacement DD15 and DD16 platforms. Introduced alongside the DD15, the DD13 targets medium-heavy on-highway and regional haul applications where the DD15's larger displacement and higher fuel consumption are not justified by the operational profile of the machine.
Key specifications and applications for the DD13 platform:
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Displacement — 12.8 litres, six-cylinder inline configuration
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Output range — 350 to 450 horsepower, positioned for medium-heavy duty cycle applications
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Applications — regional haul Class 8 trucks, medium-heavy plant equipment, vocational trucks, and applications where fuel efficiency across variable-load cycles is a priority over maximum torque output
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Electronic management — DD-Platform management system shared with the DD15, requiring the same electronic compatibility confirmation before replacement engine sourcing
Available from Imara Engineering as used, reconditioned, and rebuilt units, serial numbers confirmed and fully documented before dispatch.
Detroit DD16 Engines for Sale; Maximum Output for Maximum-Duty Applications
The Detroit Diesel DD16 sits at the top of the Detroit Diesel current-production range, a 15.6-litre six-cylinder platform delivering up to 600 horsepower and the highest torque output in Detroit's commercial engine lineup. Designed specifically for maximum-duty long-haul and ultra-heavy equipment applications where the DD15's output ceiling becomes a limiting factor, the DD16 is the choice for operators running the heaviest loads across the longest distances or in the most demanding off-road environments.
Key specifications and applications for the DD16 platform:
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Displacement — 15.6 litres, six-cylinder inline configuration
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Output range — 500 to 600 horsepower, Detroit's highest current-production output specification
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Torque — up to 2,050 Nm — among the highest torque outputs in the current heavy diesel engine market
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Applications — maximum-duty Class 8 long-haul trucks, ultra-heavy equipment, mining haul trucks, and any application demanding the absolute upper limits of Detroit Diesel output in a commercial engine package
Available from Imara Engineering as used, reconditioned, and rebuilt units, all cross-referenced to your machine serial number and electronic specification before dispatch.
Used Detroit Diesel Engines for Sale; Assessed, Tested, Documented
A used Detroit Diesel engine is a tested, running unit removed from a machine with documented service history. For operators working within a defined budget, a machine with a shorter remaining operational life expectation, or an application where the cost of a rebuilt unit exceeds the operational justification, a used Detroit Diesel engine is a viable and cost-effective replacement path, provided the unit has been properly assessed, and its history is transparently documented before sale.
At Imara Engineering, every used Detroit Diesel engine in our inventory is assessed before listing:
- Compression and oil pressure are tested before the unit is listed for sale
- DDEC or DD-Platform electronic system checked for fault history and active codes before dispatch
- Service history and removal documentation were reviewed and disclosed where available
- Known failure history or major prior repairs communicated before any sale commitment
- Engine serial number and build specification confirmed for correct fitment matching to your machine
Used Detroit Diesel engines are most appropriate when:
- The machine has a defined and shorter remaining operational life, where a full rebuild investment is not justified
- The application is lower-cycle or lower-load than the machine the unit was removed from
- A bridge solution is required to return a machine to productivity while a longer-term rebuild plan is developed
- Budget constraints make a reconditioned or rebuilt unit impractical for the specific application
Our team will advise honestly on whether a used Detroit Diesel unit is the correct choice for your operational objectives or whether a reconditioned or rebuilt engine better protects your cost and reliability targets.
Rebuilt Detroit Diesel Engines for Sale; Full OEM Specification Restoration
A rebuilt Detroit Diesel engine is the highest quality replacement path available outside of a factory remanufactured unit. Every component in the engine is measured, assessed, and either confirmed as within OEM specification or replaced with a new or remanufactured part, resulting in an engine that, at the point of reassembly, meets the same internal dimensional specifications as a new Detroit Diesel engine from the factory.
Imara Engineering's rebuilt Detroit Diesel engines are assembled to OEM dimensional tolerances throughout:
- Crankshaft reground or replaced to OEM journal specifications with new main and rod bearing shells installed
- Cylinder bores measured, honed, or sleeved to OEM bore diameter and surface finish specification
- New pistons and piston rings installed to OEM piston-to-bore clearance specifications
- Camshaft is measured and replaced where lobe wear is identified, with followers replaced alongside the camshaft
- Cylinder head reconditioned or replaced with valve seats, guides, springs, and stem seals replaced throughout
- A completely new gasket kit and sealing system were installed throughout the engine
- Full assembly to OEM torque specifications with a documented build sheet for every engine
- DD15 turbo inspected and replaced where the boost or seal condition is outside specification
- DDEC or DD-Platform electronic management system verified for correct integration with your machine's ECM before dispatch
- Post-build compression testing, oil pressure verification, and operational testing before dispatch
For operators committing a machine to full production service life, long-haul haulage, high-cycle plant operation, or mining applications, a rebuilt Detroit Diesel engine from Imara Engineering is the most reliable and best-documented replacement path available.
Detroit Diesel Series 60 Crate Motor; Standalone Engine Supply
The Detroit Series 60 crate motor is one of the most frequently requested Detroit Diesel configurations in our range, a complete, self-contained Series 60 engine assembly supplied ready for installation, without the machine-specific ancillary configuration of a direct machine replacement unit. Crate motor supply is most common in:
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Custom plant equipment builds — operators building or converting equipment around the Series 60's proven performance and parts availability
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Generator set applications — the Series 60 remains one of the most reliable and widely supported stationary power applications in its displacement class
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Marine repowering projects — operators replacing older marine diesels with the Series 60's proven marine configuration
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Legacy fleet rebuilds — fleet operators maintaining older heavy trucks or plant machines, where a standalone engine unit is the preferred supply format
Both the 12.7-litre and 14-litre Series 60 crate motor configurations are available from Imara Engineering. Contact our team with your installation requirements, and we will confirm the correct specification, ancillary configuration, and DDEC management system for your specific application.
Detroit Diesel Engine Components: Supporting Your Rebuild from Imara Engineering
Beyond complete engine assemblies, Imara Engineering's full Engine Parts range covers the key components required to support a Detroit Diesel engine rebuild, so operators choosing to overhaul their existing engine rather than replace it as a complete assembly can source critical components from the same specialist supplier.
Key Detroit Diesel engine components available from Imara Engineering:
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Starter Motors — OEM-grade starter motors for Detroit Diesel platforms, including the Series 60, rated to OEM cranking torque and duty cycle specifications. Check our Starter Motors range for full platform coverage
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Water Pumps — replacement water pumps for Detroit Diesel platforms matched to OEM flow rate and impeller specifications. Check our Water Pumps range for confirmed fitment across major Detroit Diesel platforms
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Crankshafts — precision-ground crankshafts for the Detroit Diesel DD15, ground to OEM journal specifications with full dimensional documentation. Check our Crankshafts range for DD15 platform coverage
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Gasket Kits — engine gasket and overhaul kits for Detroit Diesel rebuild applications. Contact our team with your engine serial number to confirm availability and the correct specification for your specific platform
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DD15 Turbo & DD15 Injector — turbocharger and fuel injector components for the DD15 platform. Contact our team with your engine serial number for availability and specification confirmation
Contact our team with your engine serial number and the component you require. We can confirm availability and consolidate all rebuild components into a single order where possible.
Why Source Your Detroit Diesel Engine from Imara Engineering?
Fleet managers and operators across Australia, North America, Canada, and globally choose Imara Engineering for Detroit Diesel engines because a replacement engine is not a catalogue transaction; it is a precision engineering and operational commitment that determines how reliably and for how long your machine performs before the next major intervention.
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Full Detroit Diesel Coverage — DD13, DD15, DD16, Series 60 12.7L and 14L, the complete Detroit Diesel range covered across used, reconditioned, and rebuilt condition grades, including the Series 60 crate motor configuration
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OEM-Equivalent Quality — Every rebuilt and reconditioned Detroit Diesel engine is assembled to OEM dimensional and performance specifications. Rebuilt means verified engineering integrity, not a compromise on the standards your machine was designed around
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Electronic Compatibility Confirmed — Detroit Diesel's DDEC and DD-Platform electronic management systems require correct ECM compatibility for proper engine integration. We verify the electronic specification against your machine's configuration before every engine ships, not after an incompatible unit arrives on site
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Serial Number Confirmed Fitment — Machine serial number, engine serial number, DDEC generation, and ancillary configuration are all cross-referenced before every engine ships. The correct specification is confirmed before dispatch, not assumed
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Full Rebuild Documentation — Every engine dispatched by Imara Engineering includes complete build records, component replacement specifications, and test data, giving your workshop the documentation they need before the engine hits the stand
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Fast Worldwide Shipping — We dispatch Detroit Diesel engines to Australia, the United States, Canada, and internationally, professionally packaged for freight with full tracking from dispatch to delivery
