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It's Always Spring-Time at Donovan Spring!

Your One-Stop Spring & Suspension Specialists

Donovan Spring Co., Inc.
6 Enterprise Drive
Londonderry, NH 03053
(603) 627-9800
1-800-458-3867
spring@donovancompany.com

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To download vehicle specific installation information click here

DONOVAN SPRING IS AN AUTHORIZED DISTRIBUTOR & INSTALLATION FACILITY FOR TIMBREN.  TIMBREN SES KITS ARE EASY TO INSTALL BUT IF YOU RUN INTO A PROBLEM WE CAN HELP OR IF YOU PREFER WE CAN INSTALL IT FOR YOU. 
CALL OR E-MAIL US FOR AN APPOINTMENT.

Universal Applications      
Light Duty
Pick-up, Van, SUV
  Front Rear
       
1/2 Ton, 3/4 Ton   UF100(d) UR100(d)
1 Ton   UF100(d) UR350(d)
       
Medium & Heavy Duty-Truck
Front Axle
Kit Capacity Applications Part #
       
Medium Duty 5,600 lbs 4" - 7" Clearance MSR001(wd)
Medium Duty 10,000 lbs 7" - 10" Clearance MST001(wd)
Medium Duty 5,600 lbs 4" - 7" Clearance UMDF70(d)
Heavy Duty 15,000 lbs 4" - 7" Clearance UF200(wd)
Heavy Duty 34,000 lbs 4"- 7" Clearance UF260(wd)
Heavy Duty 15,000 lbs 4" - 7" Clearance HSR001(wd)
Heavy Duty 16,000 lbs 7" - 10" Clearance HST001(wd)
Heavy Duty 10,000 lbs  7" - 10" clearance-Winged Snow Plow HST.5(wd)
       
Medium & Heavy Duty-Truck
Single Rear Axle
Kit Capacity Applications Part #
       
Medium Duty 8,600 lbs More Than 5" Clearance RES001(d)
Medium Duty 8,600 lbs  Less Than 5" Clearance RESOS1(d)
Medium Duty 15,000 lbs Over 16,000lbs(GAWR-Rear Axle Capacity) URMDE(b/o)
Heavy Duty  17,200 lbs More Than 5" Clearance RED001(d)
Heavy Duty 15,000 lbs Over 16,000lbs(GAWR-Rear Axle Capacity) URMDR(b/o)
Heavy Duty 16,000 lbs "HI-CAPACITY" URMDH(d)
Heavy Duty 16,000 lbs 5th Wheel or Tow Truck URMDC(wd)
Heavy Duty 34,000 lbs Extra "HI-CAPACITY" Tow Truck REY001A(wd)
Heavy Duty 15,000 lbs Air Ride Suspension URMDA(d)
Heavy Duty 15,000 lbs Leaf Spring & Air Ride Suspension URMDB(d)
       
Medium & Heavy Duty-Truck
Tandem Rear Axle
Kit Capacity Applications Part #
       
Chalmers 16,000 lbs Walking Beam-2 kits required URMDH(d)
Heavy Duty 15,000 lbs For Leaf or Air Suspension Front Tandem URMDF(b/0)
Heavy Duty 15,000 lbs For Leaf or Air Suspension Rear Tandem URMDR(b/o)
Hendrickson HN 64,000 LBS UR300(wd)
Hendrickson RS, RT, RTE 20,000 lbs Ride Quality HRTOA1(wd)
Hendrickson RS, RT, RTE 20,000 lbs Tow Truck HRTTPO2(wd)
Hendrickson RT, RTE 34,000 lbs Off-Road & Stability HRTT01(wd)
Hendrickson RT650 40,000 lbs Severe Service HRTT01HD(wd)
Neway 20,000 lbs Air Ride HRTOA1(wd)
Neway 34,000 lbs Tow Truck NRAD246T(wd)
Reyco 34,000 lbs Tow Truck REY001A(wd)
Reyco, Freightliner 17,200 lbs 4 Leaf Springs With More Than 5" Clearance RED001(d)
Tuftrac 17,200 lbs - RED001(d)
       
(d) drilling required  -  (p)  professional installation required  -  (w) welding required  -  (wd) welding & drilling required      
Note:  For tandem axle use 2 kits (one kit per axle).   All trailer kits require welding and / or drilling frame.      

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Copyright 2015

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