CAT 148-4575 Without Motor Final Drive Planetary Gear (31 Teeth)
Product Overview
The CAT 148-4575 Without Motor Final Drive Planetary Gear is a Genuine Caterpillar OEM final drive gear engineered to transmit torque efficiently within the machine’s final drive planetary gear set. Manufactured to Caterpillar’s exact OEM specifications, this 31-tooth spur gear provides reliable power transfer, optimized speed reduction, and dependable final drive performance for heavy-duty Caterpillar equipment.
The 148-4575 Final Drive Planetary Gear is precision-machined from high-strength steel and is designed to maximize system performance and balanced service life. Caterpillar engineers its final drive gears with optimized metallurgy, heat treatment, tooth profile, and surface finishing to ensure proper meshing, minimize wear, and extend the life of mating gears. As a Genuine Caterpillar OEM replacement part, it restores factory drivetrain performance while delivering OEM fit, durability, and long-term reliability.
Key Features
- Genuine Caterpillar OEM Final Drive Planetary Gear
- Part Number: 148-4575
- Without motor final drive planetary gear
- 31 spur gear teeth
- Designed for Caterpillar final drive planetary gear systems
- Precision-machined steel construction
- Optimized metallurgy and heat treatment
- Engineered for efficient torque transmission and speed reduction
- Precision tooth profile for smooth gear engagement
- Direct OEM replacement manufactured to Caterpillar specifications
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 148-4575 |
| Product Type | Planetary Gear |
| Component Type | Without Motor Final Drive Planetary Gear |
| Function | Transfers torque within the final drive planetary gear set |
| Gear Type | Spur Gear |
| Number of Teeth | 31 |
| Material | Steel |
| Outside Diameter | 5.37 in (136.4 mm) |
| Inside Diameter | 2.874 in (73.0 mm) |
| Length | 1.086 in (27.6 mm) |
| Installation | Direct OEM replacement |
| Brand | Caterpillar (CAT) |
Note: Caterpillar has not published additional engineering specifications, such as hardness values or gear ratios, beyond the information listed above.
Application Information
The CAT 148-4575 Without Motor Final Drive Planetary Gear is used within Caterpillar final drive assemblies to transmit rotational force through the planetary gear set, enabling efficient torque multiplication and speed reduction. Proper gear engagement is essential for delivering reliable machine propulsion while reducing stress on drivetrain components.
Manufactured to Caterpillar OEM standards, the gear is designed to withstand:
- High torque loads
- Continuous rotational stress
- Shock loading
- Wear
- Harsh operating environments
These characteristics help maintain dependable final drive performance while extending the service life of the entire planetary gear assembly.
Compatible Caterpillar Equipment
The CAT 148-4575 Without Motor Final Drive Planetary Gear is compatible with the following Caterpillar equipment:
Front Shovels
- 385C
- 5090B
Excavators
- 365B II
- 365C
- 365C L
- 385B
- 385C
- 385C FS
- 385C L
- 385C L MH
- 390D
- 390D L
- 390F
- 390F L
- 395
- 3101
Material Handlers
- MH3295
Mobile Hydraulic Power Units
- 385C
- 385C L
- 390F
Compatibility should always be verified using the machine’s:
- Product Identification Number (PIN)
- Serial Number
- Arrangement Number
- Existing final drive gear part number
Verification through Caterpillar Parts information or an authorized Cat dealer is recommended before ordering.
Additional Compatibility Information
The 148-4575 Without Motor Final Drive Planetary Gear is a configuration-specific drivetrain component. Before installation, verify:
- Machine model
- Product Identification Number (PIN)
- Machine serial number
- Existing planetary gear part number
- Final drive assembly configuration
- Mating gears and bearings
- Equipment arrangement number
Any modifications to the original equipment configuration may affect compatibility. Confirmation through Caterpillar Parts information or an authorized Cat dealer is recommended before installation.
Benefits
Installing a genuine CAT 148-4575 Without Motor Final Drive Planetary Gear helps:
- Restore efficient torque transmission within the final drive assembly
- Maintain smooth planetary gear engagement
- Support reliable machine propulsion and drivetrain performance
- Reduce wear on mating gears and final drive components
- Minimize downtime caused by worn or damaged gears
- Simplify maintenance with a direct OEM replacement
- Preserve factory final drive performance
- Deliver OEM-quality fit, durability, and long-lasting reliability in demanding operating environments.
- Brand New / Genuine Surplus Caterpillar Part
- Professionally inspected before dispatch
- Ready for immediate shipment (subject to stock availability)
Worldwide Shipping
We maintain ready-to-ship inventory for many Caterpillar parts. Orders are dispatched the same business day upon receipt of bank payment, with fast worldwide delivery available via DHL and FedEx.
Disclaimer: We are an independent supplier of genuine surplus Caterpillar parts. We are not an authorized Caterpillar distributor or dealer. All trademarks, product names, and model numbers are used solely for identification purposes.
