Machine Shop

Komatsu 830E Nosecone Pivot Eye Bore Machining For Oversize Bearing Carrier Repair

Here’s some before & after pics of a Komatsu 830E haul truck Pivot Eye, or Nosecone, we had in for machining. The bore that houses the spherical bearing was worn & out-of-round. We machined the bore with our RAD (Right Angle Drive) boring fixture for an oversize bearing carrier. After the bore is machined to [...]

2025-08-29T05:19:36+00:00August 29th, 2025|Machine Shop|

Caterpillar 994H Dogbone Link Machining, Welding, Boring, Surfacing & Milling Rebuild Repair

Here’s some pics of a Caterpillar 994H dogbone link that we repaired. The bores on both ends of the dogbone had to be machined, or bored, oversize. We then welded the bores with our automatic bore welding setup fixture. After the welding was done on the bores we then machined the bores back to the [...]

2025-08-08T14:44:37+00:00August 8th, 2025|Machine Shop|

John Deere 744E Diesel Engine Connecting Rods Reconditioning With Tapered Wrist Pin Bushings

Here's some before & after pics of a set of inline six cylinder John Deere 744E diesel engine connecting rods. The big ends of the rods were out-of-round & required resizing, or reconditioning. The small ends are tapered with bronze tapered wrist pin bushings & they were scored & worn. We pressed the old bushings [...]

2025-07-11T00:14:22+00:00July 11th, 2025|Machine Shop|

Caterpillar D11R Dozer Blade Hydraulic Lift Cylinder 4390693 Yokes Machining and Welding Repair

Here’s some before & after pics of a pair of Caterpillar D11R Dozer hydraulic cylinder blade lift yokes we repaired. We turned the inner & outer shafts of the 4390693 yokes on our Monarch lathe. We then welded the shafts back up & then turned them back down to the OE specs. Both yokes are [...]

2025-06-20T06:34:28+00:00June 20th, 2025|Machine Shop|

Arctic Cat Wildcat XX 1000 SxS UTV Aluminum Cylinder Head Surface Machining

Here’s some before & after pics of an Arctic Cat Wildcat XX 1000 side-by-side UTV cylinder head that we surfaced. The cylinder head came in with some warpage on the deck surface from overheating due to a water pump failure. We leveled & secured the head to our Rottler CNC boring & milling machine & [...]

2025-06-18T05:14:04+00:00June 18th, 2025|Machine Shop|

Caterpillar Grader Moldboard Blade Hanger Bracket Welding and Line Boring Repair

Here’s some pics of a bracket, or blade hanger, on our CNC boring & milling machine. This piece attaches to the underside of the drawbar on a 16G Caterpillar grader. The blade, or moldboard, hangs from & slides side-to-side on the bottom of this bracket. The bores where the blade hanger pins up to the [...]

2025-05-23T05:24:09+00:00May 23rd, 2025|Machine Shop|

Caterpillar Mini Excavator Mitsubishi Perkins S3Q2 Compact Diesel Engine Block Machining and Cylinder Head Valve Job and Surface

Here’s some pics of a compact diesel engine out of a Caterpillar mini excavator that came in for cleaning, inspecting & machine work. The engine is labeled under the Mitsubishi brand but it is ultimately manufactured by Perkins. It is a three cylinder model S3Q2. The block was machined for cylinder sleeves which were bored [...]

2025-05-21T03:54:42+00:00May 21st, 2025|Machine Shop|

Caterpillar International Navistar Maxxforce Thirteen Diesel Cylinder Head Repairing and Rebuilding

Here’s some pics of an International, or Navistar, Maxxforce 13 diesel engine cylinder head that came in for repairing & rebuilding. The head is off of a piece of Caterpillar equipment. At least two of the cylinders are damaged with burnt & broken valves. There are also numerous cracks in the deck of the head [...]

2025-05-09T00:34:11+00:00May 9th, 2025|Machine Shop|

International Navistar Maxxforce Diesel Cylinder Head Valve Job and Surface Rebuild

Here’s some pics of an International, or Navistar, Maxxforce diesel cylinder head we did a valve job & surface rebuild to. The original head had multiple cracks in most of the cylinders. We ended up exchanging the head with this one. This head has some dings on the surface which are due to some valves [...]

2025-03-28T05:44:18+00:00March 28th, 2025|Machine Shop|
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