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Maintenance Intervals

Detroit^® DT12^® On-Highway Series

When you buy a Detroit^® product, you’re buying billions of miles of engineering excellence.

DT12-HE: Highly Efficient Long Haul

Maintenance Items

Miles

Kilometers

Weight

80,000 lbs or less

Standard Oil Drain Intervals

400,000

644,000

Maximum Oil Drain Intervals (with use of Maintenance System)

Up to 600,000*

966,000*

DT12-HE: Long Haul & Short Haul

Maintenance Items

Miles

Kilometers

Weight

Greater than 80,000 to 140,000 lbs

Standard Oil Drain Intervals

300,000

483,000

Maximum Oil Drain Intervals (with use of Maintenance System)

Up to 400,000*

644,000*

DT12-HE: Severe Duty

Maintenance Items

Miles

Kilometers

Weight

Greater than 140,000 lbs

Standard Oil Drain Intervals

180,000

290,000

Maximum Oil Drain Intervals (with use of Maintenance System)

Up to 180,000*

290,000*

DT12-H: Long Haul

Maintenance Items

Miles

Kilometers

Weight

80,000 lbs or less

Standard Oil Drain Intervals

400,000

644,000

Maximum Oil Drain Intervals (with use of Maintenance System)

Up to 400,000*

644,000*

DT12-H: Short Haul

Maintenance Items

Miles

Kilometers

Weight

Greater than 80,000 to 140,000 lbs

Standard Oil Drain Intervals

300,000

483,000

Maximum Oil Drain Intervals (with use of Maintenance System)

Up to 400,000*

644,000*

DT12-HL: Long Haul

Maintenance Items

Miles

Kilometers

Weight

80,000 lbs or less

Standard Oil Drain Intervals

400,000

644,000

Maximum Oil Drain Intervals (with use of Maintenance System)

Up to 400,000*

644,000*

On-Highway Warranty

Detroit^® offers a standard 5 year / 750,000 mile warranty and a 3 year / 350,000 mile warranty on the clutch. Exclusions: CPCA and clutch - 3 years/350,000 miles; Yokes (sealing surface only) - 3 years/300,000 miles (follows drive-train warranty). Failure to comply with proper maintenance schedule (e.g. oil inspections, oil changes, etc.) may void warranty coverage.

Maintenance Intervals

Detroit^® DT12^® Vocational Series

DT12®-V: Short Haul

Maintenance Items

Miles

Kilometers

Weight

Greater than 80k to 140k LBS

Literature Limit

300,000

186,000

Maintenance System Settings (Max Mileage)

Up to 400,000

Up to 249,000

A85 Codes

A85-002 Pick Up and Delivery (Short Haul) and A85-016 Transfer Refuse

DT12®-V: Severe

Maintenance Items

Miles

Kilometers

Weight

Greater than 140,000 LBS

Literature Limit

180,000

112,000

Maintenance System Settings (Max Mileage)

Up to 180,000

Up to 112,000

A85 Codes

A85-027 Heavy Haul Service and all other "severe applications".

DT12-VX: Severe

Maintenance Items

Miles

Kilometers

Weight

Greater than 140,000 LBS

Literature Limit

180,000

112,000

Maintenance System Settings (Max Mileage)

Up to 180,000

Up to 112,000

A85 Codes

A85-027 Heavy Haul Service and all other "severe applications".

Vocational Warranty

Application

GVW/GCW

Warranty - Transmission

P&D

< 110k lbs

36 mo / Unlimited

Construction

< 140 lbs

36 mo / Unlimited

Transfer Refuse

< 110 lbs

24 mo / Unlimited

Logging

< 140k lbs - DT12-V

< 250k lbs - DT12-VX

24 mo / Unlimited

Mining/Oil Field

< 140k lbs - DT12-V

< 250k lbs - DT12-VX

24 mo / Unlimited

Heavy Haul

< 275 lbs

24 mo / Unlimited