834G Remanufactured for CAT 3456 Engine for Sale

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The 834G Caterpillar 3456 engine is a crucial part of mining due to its ability to power BNT Loaders capable of moving mass amounts of material. Also used for work in heavy construction, the 3456 is known for its endurance and long-lasting functionality.

Available on backorder
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Our 834G CAT 3456 engine is remanufactured to the highest standards. We remanufacture in-house to what is known as Bare Metal Remanufacturing. We fully disassemble every part of the engine down to a bare cylinder block. All paint is removed for inspection purposes. This allows us to find any casting defects or cracks.

Complete Overhaul for the 834G CAT 3456 Engine

All parts are cleaned and inspected. Cylinder blocks are machined. Crankshafts are measured and polished. For every engine rebuild, we replace all:

  • Piston and liner kits
  • Oil and fuel filters
  • Exhaust hardware
  • Starter and alternator
  • Wear parts
  • Sensors, wiring harnesses and computer
  • Belts, hoses, clips, brackets, fittings and clamps
  • Water pump and regulators
  • Camshafts
  • Regulating springs and valves
  • Oil cooler
  • Gaskets, seals, and o-rings
  • Fuel pump and injectors
  • Transmission, brake, hydraulic and coolers
  • Cylinder Heads
  • Turbochargers
  • Oil pump
  • Bearings, cups, and plugs
  • Rocker shafts and rockers

Genuine Caterpillar Parts for Your 834G CAT 3456 Engine Replacement

At Independent Rebuild Specialist, we use genuine Caterpillar parts to achieve premium quality rivaling new CAT 3456 engines for BNT wheel loaders fresh off the factory floor.

Painted, Dyno Tested and Dressed for Shipping

All of our rebuilt CAT engines are painted at our facility and then Dyno tested. Many of our engine Dyno tests can be viewed on our YouTube Channel.

All of our engines are shrink wrapped and secured to a customized steel skid for stability and protection from weather elements during storage and shipping.

Our CAT Engine Rebuilds are Guaranteed…AND Fast!

We are not a middleman and stand by our work with a 100% warranty to assure our CAT 3456 engines can be easily set into position for fast and reliable engine replacement at your location.

Our typical turnaround time for remanufacturing a 3412 CAT engine for arrangement 235-4729 is as little as two to three weeks and we ship to most locations around the world.

Get a No Obligation Quote

We reply to all quote requests usually within the hour, during normal U.S. business hours, but always within 24 hours. Call us at 303-659-4652 with any questions about our 834G CAT 3456 for Arrangement 235-4729 rebuilt engine use our Quote Request form to see if our CAT replacement engines are a possible fit for you.