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Komatsu 930E-5 Mesabi Aluminum Tube Radiator Cleaning, Repairing and Rebuilding

Here are some pics of a Komatsu 930E-5 haul truck radiator we’re rebuilding. This radiator is comprised of Mesabi's aluminum tubes. These pics are all of the HTC (high temp circuit) radiator half. Each tube has been steam cleaned, soaked in our ultrasonic, & then both ends buffed to a polished finish for installation into [...]

2026-08-01T05:38:00+00:00August 1st, 2026|Radiator Shop|

Komatsu 830E-5 Haul Truck Fuel Tank Blown Up Repair and Rebuild

Here are some before & after pics of a Komatsu 830E-5 fuel tank we had in for a quick turn-around. The two larger sidewalls of the tank were blown up & bulged out from excessive pressure inside the tank. When these haul truck fuel tanks come in blown up like this it gets pretty extensive [...]

2026-07-31T04:07:59+00:00July 31st, 2026|Industrial & Heavy Equipment|

Caterpillar 789C Haul Truck Folded Core Radiator In For Repair and Rebuilding

Here are some pics of a radiator we picked up from one of our mining customers for a Caterpillar 789C haul truck. The radiator is leaking as well as several of the radiator core sections are loose between the tanks with excessive endplay. The radiator is in for a complete reconditioning overhaul. We'll post more [...]

2026-07-30T03:57:51+00:00July 30th, 2026|Radiator Shop|

Caterpillar 789 CEM Clean Emissions Module DPF SCR Catalyst Cleaning Service For PX Exchange

Here are some pics of a CEM (clean emissions module) we had in for cleaning & reconditioning service. This unit is basically the DPF (diesel particulate filter) for a 789 Caterpillar haul truck. The long rectangle pieces with the round honeycomb type passages is the SCR (selective catalytic reduction) catalysts which is what gets plugged [...]

2026-07-28T15:07:55+00:00July 28th, 2026|Industrial & Heavy Equipment|

Caterpillar 793C Mining Haul Truck Folded Core Radiator Rod and Repair Rebuilding For Quick Turnaround

Here are some pics of a Caterpillar 793C radiator we have in for a quick turn-around. We picked the radiator up from the mine one day & got it completely disassembled & in the full rebuild process the next morning. This one has a lot of solder bloom & internal corrosion. Several cores have internal [...]

2026-07-27T17:48:00+00:00July 27th, 2026|Radiator Shop|

Caterpillar 789 Haul Truck CEM Clean Emissions Module Catalyst SCR Cleaning and Reconditioning

Here are some pics of a CEM (clean emissions module) for a Caterpillar 789 haul truck we had in for reconditioning. We completely disassembled the module & cleaned every piece inside & out. The heart of the CEM is the SCR Catalyst assembly which is the most critical piece to get clean of all the [...]

2026-07-19T03:15:57+00:00July 18th, 2026|Industrial & Heavy Equipment|

Caterpillar D10T Dozer Ripper Table Bushings Custom and Specialty Machining

Here are some pics of some heavy duty bushings we machined from some solid bar stock material. We have a ripper table for a Caterpillar D10T dozer in for repair and machining that the bores were extremely worn on. We elected to machine the bores until they were true & perfectly round. After we got [...]

2026-07-19T03:15:48+00:00July 17th, 2026|Machine Shop|

Caterpillar 994K Loader Radiator Hardnose Cooling Package Repair and Rebuilding

Here are some pics of a Caterpillar 994K Hardnose Cooling Package we had in for a PX exchange rebuild. This one was in pretty rough shape. After numerous hours of cleaning & performing multiple repairs we got it all back up to snuff. Every bolt hole has been repaired if needed while every other threaded [...]

2026-07-16T06:23:13+00:00July 16th, 2026|Radiator Shop|

6.7 Cummins Diesel Cylinder Head Valve Job and Surface Machining Rebuild

Here are some pics of a 6.7 liter Cummins diesel cylinder head we had in for rebuilding. We first disassembled the head so we could thermal clean it in our oven. After baking in the oven we shotblasted the head to bring it back to raw cast iron inside & out. We then magnafluxed the [...]

2026-07-15T06:50:47+00:00July 15th, 2026|Machine Shop|

Caterpillar 793C Folded Core Radiator Rebuild and Delivery Service

Here are some pics of a 793C Caterpillar Radiator we delivered back to our customers mine site. The radiator consists of sixty individual folded radiator cores. Each radiator core received a rod & repair & individually pressure tested. After the entire radiator assembly is completed the complete radiator is pressure tested as a complete unit. [...]

2026-07-15T06:50:38+00:00July 14th, 2026|Radiator Shop|
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