Machine Rebuilds
The durability built into CAT machines gives you the option to restore a machine to original specifications and performance at significant savings. HOLT Second Life and CAT Certified Rebuild programs give machines a second life. These options are available for most CAT machines. Before you decide to repair, rebuild or replace a high hour Caterpillar machine, talk with us about these special programs.

For more information,
contact (800) 275-4658.

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Radiator Repair
HOLT services Caterpillar and all other makes and sizes of industrial radiators including Mesabi, folded core, low flow and conventional. Anything from simple cleaning and flushing to complete rebuild of a radiator, oil cooler or after cooler to manufacturer’s specs can be done quickly and reliably.

For more information,
contact (800) 275-4658.

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Hydraulic Repair

HOLT has two full service hydraulic shops for CAT and other manufacturer’s components. Capabilities include system troubleshooting, repair and designing of hydraulic systems. Lapping, honing grinding, machining, and pressure testing are integral parts of our hydraulic repair service. Repairs are done in-house to reduce turn-around time and minimize repair costs.

Our hydraulic shops are capable of manufacturing custom hydraulic cylinders for all types of equipment as well as retrofitting older or obsolete machines with updated hydraulic components.

 

SPECIALIZED TOOLING INCLUDES:

• Hydraulic test bench used for complete testing and adjusting of hydraulic pumps, motors, cylinders and other hydraulic equipment.
• Hydraulic cylinder reconditioning features a stand designed for fast disassembly and assembly. An automatic honing machine is capable of reconditioning cylinders 1-1/2 inches to 21 inches in diameter and up to 19 feet long.
• A Lapmaster 48” lapping table reclaims piston slippers, port plates and barrel assemblies for hydraulic pumps.

For more information, contact (800) 275-4658.

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Tooling and Technical Capability
Standard labor saving devices and special tools are available to speed diagnosis and repairs in all our repair facilities. Additional tools and fixtures are “developed” to fill the specific needs of our customers.

We also maintain a complete, current library of service data for technical support on all Caterpillar built machines. It includes changeovers and product improvement information from Caterpillar. We have full time technical communicators and service trainers to keep our service staff up-to-date on the latest technological innovations from Caterpillar.

SPECIAL DIAGNOSTIC TOOLING INCLUDES:
• Fuel consumption horsepower computers
• Flow meters for hydraulics
• Transmission hydraulic test box
• Hermiston group for cooling systems
• Rack setting groups
• Electrical test boxes
• Air flow meters
• Fuel injection timing groups
• Engine analyzer groups

For more information, contact (800) 275-4658.

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Welding/Machining
HOLT’s Machine and Welding Shop provides complete structural repair & rebuild capability for Caterpillar and other makes of equipment. Ninety-eight percent of all incoming machine work is done in-house. Machine tooling includes boring mills for large in-shop line boring; two smaller mills with 2-1/2” spindles; a horizontal mill; 6 lathes; 5 drill presses including a 500 ton brake press; a state-of-the-art Climax Boring Machine; a CNC Lathe and other precision cutting and drilling equipment. Other capabilities of the welding shop are thermal spray welding and abrasive resistant material application.

For more information, contact (800) 275-4658.

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Fabrication / Custom Products
HOLT is known for its customized design and fabrication work for unusual customer needs. HOLT Custom Engineered Products Division takes unique customer problems and turns them into custom designed attachments, components and special application pieces. Products include: water wagons, excavator buckets, booms and sticks, landfill and demolition guarding packages, scraper wear kits, push blocks, counter weights, land clearing equipment and more. HOLT’s machine and welding shops are integral parts of the fabrication process.

For more information,
contact (800) 275-4658.

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