SERVICES // WHAT WE DO

ENGINES & POWERTRAIN

An engine that's struggling today could leave you stranded tomorrow. Get ahead of the breakdown before it costs you the job.

Engine failures, transmission problems, and drivetrain malfunctions can bring productive equipment to a screeching halt. Whether you're dealing with a loss of power, mechanical wear, an aging engine, or a major component failure, identifying the underlying problem is essential to determining the right repair strategy.

At Sun Wolf Equipment Repair, we provide engine and powertrain diagnostics, repairs, replacements, and rebuilding services for commercial, construction, industrial, and specialized drilling equipment. From individual mechanical components to complete engine repowers and drivetrain overhauls, our Tulsa-area repair shop combines mechanical expertise, electrical troubleshooting, hydraulics, and custom fabrication to address complex equipment repair challenges.

DIESEL ENGINE DIAGNOSTICS & REPAIR

Hard starting, excessive smoke, overheating, unusual noises, loss of power, and inconsistent engine performance can indicate a wide range of mechanical, fuel system, cooling system, or electrical problems.

Our technicians investigate engine performance issues to identify the source of a malfunction and determine an appropriate repair strategy. We address engine-related mechanical failures, fuel delivery problems, cooling system issues, and associated components that affect equipment performance and reliability.

Rather than assuming that every engine problem requires a complete replacement, we evaluate the condition of the equipment and the available repair options to help customers make informed decisions about their investment.

ENGINE REPLACEMENT & REPOWERS

When an original engine reaches the end of its service life, suffers a catastrophic failure, or becomes difficult to maintain due to obsolete components, replacing or repowering the equipment may be a practical alternative to purchasing a new machine.

Sun Wolf Equipment Repair performs engine replacement and repower projects for heavy equipment, including older and specialized machinery requiring modifications to accommodate the replacement.

Engine repowers frequently involve much more than removing one engine and installing another. Differences in mounting configurations, cooling requirements, electrical systems, power transmission, and available space may require custom brackets, fabrication, wiring modifications, and integration with existing equipment systems.

Our in-house mechanical, electrical, hydraulic, and fabrication capabilities allow us to approach these projects as complete equipment integration challenges rather than simple engine swaps.

TRANSMISSION & DRIVETRAIN REPAIRS

Slipping transmissions, difficulty shifting, unusual vibration, loss of drive power, and mechanical noise can indicate problems within a machine's transmission or drivetrain.

We inspect, troubleshoot, repair, and replace transmission and drivetrain components on commercial and heavy equipment. Our work includes evaluating mechanical wear, damaged components, lubrication-related failures, and the connections between engines, transmissions, gearboxes, and driven equipment.

Whether the problem involves a specific failed component or a larger drivetrain overhaul, we work to identify the underlying cause of the failure and develop a repair approach appropriate to the equipment's condition and intended use.

AXLES, DIFFERENTIALS & GEARBOXES

Axles, differentials, and gearboxes are critical to transmitting power and supporting the demanding loads placed on heavy equipment. Worn bearings, damaged gears, failed seals, excessive backlash, and lubrication problems can lead to significant mechanical failures when left unaddressed.

Our technicians perform inspections, disassembly, component replacement, repairs, and rebuilding work on a variety of heavy equipment axle assemblies, differentials, and mechanical gearboxes.

For aging or heavily used equipment, repairs may also involve addressing corrosion, seized components, damaged mounting hardware, or previously modified assemblies. We evaluate these conditions as part of the overall repair process, recognizing that restoring reliable operation often requires more than simply replacing the visibly failed part.

ENGINE COOLING & SUPPORT SYSTEMS

Reliable engine performance depends on more than the engine itself. Cooling, fuel delivery, lubrication, and related support systems all play important roles in equipment operation and service life.

We diagnose and repair engine support systems, including radiators, cooling components, fuel system connections, hoses, mounting assemblies, and related mechanical components.

During major engine repairs and repowers, we also evaluate the condition and compatibility of supporting systems to identify necessary repairs or modifications before returning equipment to service.

POWERTRAIN REBUILDS & EQUIPMENT RESTORATION

Older commercial and industrial equipment can remain productive for decades, but maintaining it often requires specialized mechanical work, replacement components, and creative solutions to problems that no longer have straightforward factory repairs.

Sun Wolf Equipment Repair performs extensive mechanical repairs, drivetrain rebuilds, and equipment restoration projects involving aging, damaged, or heavily modified machinery.

From replacing major powertrain components to fabricating mounts, repairing associated hydraulic systems, and integrating updated electrical controls, our team brings multiple repair disciplines together under one roof.

We understand that rebuilding older equipment involves evaluating its overall condition, parts availability, operational requirements, and long-term serviceability. Our goal is to help customers understand the scope of the work and make informed decisions about repairing, rebuilding, or repowering their equipment.

Yellow Deidrich D-50 track-mounted drilling rig on gravel