Travel motor spinning but machine barely moves? A cracked or worn 1028874 planetary carrier lets planet gears walk out of mesh, destroying torque multiplication to the sprocket. RITO's heavy-duty carrier assembly restores full tractive effort and gets your Cat excavator moving again.
Item NO.:
1028874-OTOrder(MOQ):
1pcsPayment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time：
In Stock1028874 Planetary Carrier Assembly for Caterpillar excavator final drive / travel gearbox. The carrier cage positions all planet gears at precise radial spacing, ensuring equal load sharing and correct reduction ratio. Heavy-duty steel construction with hardened pin bores resists the shock loads generated during hard ground engagement.
| Part Number | 1028874 |
|---|---|
| Part Name | Planetary Carrier Assembly |
| Compatible Brand | Caterpillar |
| Applicable Models | Caterpillar Excavator Final Drive / Travel Gearbox |
| Application | Planet gear carrier in travel drive reduction gearbox |
| Material | High-strength forged alloy steel |
| Product Color | Matte industrial finish |
| Working Temperature | -30°C~+80°C |
| Key Function | Positions and supports planet gears to transmit tractive torque to the sprocket shaft |
| Condition | 100% New Aftermarket OEM Quality |
| Packaging | Wooden Case Reinforced Carton Neutral Packing Customized Box |
Pin bores machined to H7 tolerance to maintain correct planet gear alignment under full-load torque without pin deflection.
Drop-forged alloy steel carrier cage withstands shock loads from rock engagement and steep slope travel without cracking.
Symmetrical carrier arm geometry divides torque evenly across all planet gears, extending ring gear and sun gear service life.
Matches Caterpillar 1028874 specification for direct installation into existing final drive housing without machining.
FAQ
Q: How do I tell the 1028874 carrier has failed?
A: Signs include travel speed that is unequal left to right, grinding or rumbling from the final drive housing, metal chips in the travel gearbox oil, and sprocket shaft wobble visible during slow rotation.
Q: Can I replace the carrier without removing the final drive from the machine?
A: The final drive must be removed from the machine for safe carrier replacement. Drain gearbox oil first, inspect ring gear and sun gear for secondary damage, and replace all damaged gears together with the carrier.
Q: Should I replace the planet gears at the same time as the 1028874 carrier?
A: If the carrier failed due to pin wear or cage cracking, the planet gear bore surfaces are usually also damaged. Replace the full planet gear set together with the carrier to avoid rapid re-failure.
Q: How to confirm 1028874 fits my Caterpillar excavator final drive?
A: Check the final drive model plate and existing carrier part number. Provide us the machine model and serial number for cross-reference confirmation.
Q: What quality options are available?
A: We provide original, OEM and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
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