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Service  
Parts

Harper Detroit Diesel Limited is committed to total customer satisfaction. Along with our Toronto head office facility, we maintain six regional branches strategically placed throughout Ontario to best supply and enable us to offer extraordinary service and repair capabilities to all of our customers. .

Head Office Hours of Operation:

Parts Monday - Friday, 7:00 a.m. - 11:30 p.m.
Service Monday - Friday, 7:00 a.m. - Midnight
Parts & Service Saturday, 7:00 am - 3:30 p.m.
 

 

Location: 10 Diesel Drive Toronto, ON. M8W 2T8
   
Local: 416-259-3281
Toll Free: 1-800-6HARPER
  1-800-642-7737
   
Fax: 416-259-1863

 

 


For Emergency Roadside Assistance available 24/7 call 1-800-6HARPER.

Email: [email protected] [email protected]
 

 

Branch Locations

Hamilton
Hours of Operation:
Parts & Service Monday - Friday, 7:00 a.m. - 10:00 p.m.
Saturday - 7:00 a.m.- 3:30 p.m.
   
Location:

324 South Service Road
Stoney Creek, ON L8E 2R4

   
Tel: 905-561-9721
   
Fax: 905-664-3519
   
Email: [email protected]

 

Oshawa
Hours of Operation:
Parts & Service Monday - Friday, 7:00 a.m. - Midnight
Saturday, 7:00 a.m. - 3:30 p.m.
   
Location:

720 Wilson Road South
Oshawa, ON L1H 6E8

   
Tel: 905-432-3838
   
Fax: 905-434-4553
   
Email: [email protected]

 

Sudbury
Hours of Operation: Monday - Friday, 8:00 a.m.- 5:00 p.m.
   
Location:

30 Vagnini Court
Lively, ON P3Y 1K8

   
Tel:: 705-692-0707
   
Fax: 705-692-0702
   
Email: [email protected]

 

London
Hours of Operation:
Parts & Service Monday - Friday, 7:00 a.m. - Midnight
Saturday, 7:00 a.m. - 3:30 p.m.
   
Location:

571 Industrial Road
London, ON N5V 1V2

   
Tel: 519-455-7410
   
Fax: 519-455-7320
   
Email: [email protected]

 

Ottawa
Hours of Operation:
Parts Monday - Friday, 7:30 a.m. - 8:00 p.m.
Service Monday - Friday, 7:30 a.m. - 10:00 p.m.
Parts & Service Saturday, 7:30 am - 4:00 p.m.
   
Location:

2450 Stevenage Drive
Ottawa, ON K1G 3W3

   
Tel: 613-736-6060
   
Fax: 613-736-7171
   
Email: [email protected]

 

Timmins
Hours of Operation: Monday - Friday, 8:00 a.m.- 5:00 p.m.
   
Location:

1785 Riverside Drive, P.O. Box 610
Timmins, ON P4N 7G2

   
Tel:: 705-268-5252
   
Fax: 705-268-7488
   
Email: [email protected]