John Deere PowerTech OEM Engines: 3029, 4045, 6068
Key Notes
Part Number(s): T178423, T428705
Also Known As: 806K8
Weight: 0.72 lbs
Type: 8-Rib K-Poly (Poly-V / Serpentine) belt
Material: Polyester cord construction
Pitch Length: 80.6"
Outside Length: 81.23"
Width: 8 Rib
Thickness: 0.18"
Application: A/C compressor drive belt - drives the air conditioning compressor from the engine accessory drive on John Deere skid steer loaders, wheel loaders, and 3029, 4045, and 6068 PowerTech OEM engine accessory configurations
Condition: Aftermarket replacement part
Note: On 744H, 744J, and 824J wheel loaders this belt fits machines equipped with the 80 Amp alternator - confirm alternator specification before ordering
Common Use Case / Symptoms: Use when the A/C compressor belt is cracking, glazing, squealing, or has broken - a failed A/C drive belt will disable cab air conditioning on John Deere skid steer loaders, wheel loaders, and equipment powered by 3029, 4045, and 6068 PowerTech engines equipped with A/C compressor accessories
Why Choose Broken Tractor
Broad Equipment and Engine Coverage - One belt covers the John Deere 260 and 270 skid steer loaders, 744H, 744J, and 824J large wheel loaders, and John Deere 3029, 4045, and 6068 PowerTech OEM engine accessory drive applications
8-Rib K-Poly Serpentine Belt Design - Multi-rib construction provides superior grip, reduced slip, and efficient power transfer to the A/C compressor
Fast Shipping from a U.S.-Based Team - Orders are processed and shipped quickly from our U.S. warehouses so your equipment gets back to work
$34.00/ea
Shipping calculated at checkout. If any item in your order is temporarily unavailable, we'll contact you to arrange a back-order or refund — whichever you prefer.
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