Radiator Shop

Here's some pics of some brass headers, or tube sheets. The headers are for a Mesabi radiator core for a Komatsu WA900 loader. We are getting the headers all cleaned up & we thought they just look really cool!! We'll post more pics of this one as it moves along the build process. 5435 Desert [...]

Here's some pics of our last haul for 2022!! On the front of the trailer is a Caterpillar 793C Radiator. On the middle of the trailer is a Komatsu 830E AC haul truck fuel tank & on the back of the trailer is a Caterpillar 793F fuel tank. We'd like to thank all of our [...]

Here's some pics of a delivery headed out back to one of our customers. On the front of the trailer is a Komatsu 830E AC haul truck fuel tank we repaired & reconditioned. On the back of the trailer is a Caterpillar 793C radiator we rebuilt. We barely caught pics of this one as it [...]

Here’s some pics of a Caterpillar SR4 backup standby generator, or genset, radiator we did a complete rod & repair overhaul to. The inside of the tanks were heavily rusted which left some substantial pitting on the insides of the tanks after we got them all cleaned up. We measured the thickness of the tanks [...]

Here’s some pics of a Caterpillar haul truck radiator loaded on our trailer for delivery. The radiator is a folded core type that goes into a 789C haul truck. We completely disassembled the radiator & performed a rod & repair to each of the individual folded radiator cores. After all the pieces & parts were [...]

Here's some random pics of various radiators & coolers being pressure tested in our test tank. The copper core with black tanks is a pair of hydraulic oil coolers for a Hitachi EX5500 open pit mining shovel. The aluminum cooler with some black paint on it is an aftercooler for an Atlas Copco drill rig. [...]

Here’s some pics of a Mesabi shell-and-tube oil cooler heat exchanger we rebuilt. This oil cooler is for a Komatsu WA1200 loader. Each individual tube was removed for ultrasonic cleaning & reconditioning. All the rubber grommet seals were removed from the tube sheets so the shell-and-tube could be thoroughly cleaned inside & out. After final [...]

Got Mesabi? Here's some pics of some Mesabi Radiators rebuild projects we have going on. There's a Caterpillar 793F haul truck radiator, a Komatsu 830E AC haul truck radiator & a LeTourneau L1850 Loader Radiator with the hydraulic oil cooler circuit along with it. The 793F radiator has right at a thousand tubes, the 830E [...]

Here's some pics of a copper & brass radiator core we're running the headers on. The radiator core is for a Caterpillar diesel genset unit. When we overhaul a radiator we run the headers which involves melting all the solder off the header plates where the tubes go through. Once the tubes & header plates [...]

Here's some pics of a Caterpillar & Komatsu haul truck radiators being pressure tested in our test tank. The Cat Radiator is a 793C & the Komatsu Radiator is an 830E. The Komatsu Radiator is a Mesabi which has just under fourteen hundred individual copper tubes. Both radiators will get final detailed & painted after [...]