CAT 325B Final Drive Travel Motor Assembly 114-1357 – Remanufactured to OEM Standards for Heavy Duty Service

Description

Detail Information

Note: The application information provided is for reference only. Please confirm the part number and compare it with the old component before purchasing. If you have any questions, please feel free to contact us.
It is worth choosing a product that features stable performance, high reliability, easy installation, and quick response.

1. Why Buy a Remanufactured Final Drive?

When your CAT 325B’s travel motor fails — whether from a worn out piston block, a scored cylinder barrel, worn bearing cones, or a cracked internal housing — you have three choices:

A used drive from a breaker yard might cost less upfront, but it carries the same hours and wear that caused yours to fail. You are buying another machine’s old problem. A remanufactured unit is disassembled down to the last bolt, inspected part by part, rebuilt with new seals and wear components, and tested before it ever reaches your shop. That is the difference between a temporary patch and a long‑term solution. [8†L4-L6]

2. Key Features & Benefits

• OEM cross reference 114-1357 – Direct replacement final drive travel motor for Caterpillar 325B, 325B L, 320B, 322B, and 322L excavators. Additional compatible models include 325B LN, 320B S, 322B LN and 322B L excavators.

• Complete 6‑step remanufacturing process – Every unit is stripped to bare housings, cleaned, inspected for cracks (using dye penetrant testing on all major castings), worn components replaced (piston block, cylinder barrel, valve plate, bearing set, all seals and o‑rings), reassembled with new OEM‑grade internal parts, and tested on a dyno for correct pressure, flow and case drain before it is approved.

• Two‑speed travel capability – Integrated two‑speed shifting allows the operator to select high speed for site travel or low speed/high torque for demanding digging, pushing and climbing.

• Heavy‑duty cast iron housing – Manufactured with a robust cast iron housing and precision‑ground planetary gears. Surface‑hardened tooth profiles ensure long wear life under high torque.

• Integral multi‑disc parking brake – Built‑in wet disc parking brake engages automatically when travel controls return to neutral, holding the machine securely on slopes. Brake releases instantly when travel command is given.

• Fully tested before shipping – Each remanufactured final drive is run on a hydraulic test stand to verify:

  • Correct operating pressure (typically 350–400 bar / 5,000–5,800 psi)

  • Smooth speed progression through both ranges

  • No internal leakage past the case drain (critical for avoiding blown shaft seals)

  • Quiet gear train operation (no bearing rumble)

• Visual verification prior to dispatch – Before your final drive is packed, we send you detailed photographs of the unit from multiple angles, including close‑ups of mounting surfaces and port locations. You approve the condition before we ship. This is not negotiable – you see exactly what you are getting.

• Professional export packaging – Each final drive is securely packed in a heavy‑duty, fumigation‑free wooden case with internal bracing and padding to prevent damage during transit.

• Fast delivery – 5–8 working days lead time from our Guangzhou warehouse. Monthly supply capacity of 300 units, available for single or bulk orders.

3. Applications

The CAT 325B final drive is a high‑demand component across multiple heavy industries where reliability is non‑negotiable:

• Mining & quarry operations – Final drives on 25‑ton class excavators endure extreme shock loads, abrasive dust and long continuous shifts. A remanufactured unit with new bearings and seals provides the same durability as new, for a fraction of the cost.

• Heavy construction & earthmoving – Highway projects, dam construction, large‑scale site preparation and pipeline trenching all demand consistent travel performance. A failing final drive will leave a 325B immobile in the middle of a job site, and towing a 25‑ton excavator is neither quick nor cheap.

• Demolition & scrap processing – 325B excavators working in demolition or metal recycling face intense vibration, sharp debris and repeated hard impacts against the undercarriage. The planetary gearing inside a remanufactured final drive is rebuilt to absorb these extreme shocks without internal damage.

• Forestry & land clearing – Steep slopes, soft ground and hidden obstacles are routine in forestry applications. A reliable final drive with predictable two‑speed shifting prevents machine‑stranding failures far from repair support.

• Equipment rental fleet maintenance – Renters are hard on undercarriage components. A final drive that fails mid‑rental damages customer relationships and costs days of lost revenue. A remanufactured unit provides a fresh start at a cost that makes proactive replacement economically sensible.

• Cold climate & winter operations – In sub‑zero environments, worn seals and bearing cages are far more likely to fail. Our remanufacturing process includes new low‑temperature rated seals where specified, ensuring reliable cold‑weather starting and travel.

4. Why Choose Hongtengda Parts – The Remanufacturing Difference

The key question every buyer asks: Why should I trust a remanufactured final drive with no conventional warranty?

Here is the honest answer: A warranty is a promise to fix something if it breaks. A proper remanufacturing process is a promise that it will not break in the first place. At Hongtengda Parts, we prioritise the work up front: meticulous disassembly, component‑by‑component inspection, replacement of all wear parts, and rigorous pre‑shipment testing. We do not rely on a warranty to cover our work; we rely on the quality of the work itself.

• Certified remanufacturing standards – Our processes align with national and international remanufacturing guidelines. Under established industry standards, remanufacturing is defined as using advanced processes to restore a used component so that its performance and quality meet or exceed that of a new product. [8†L4-L6] We operate to this standard, not to a lower “repair and patch” level.

• Six‑step reman process, fully documented:

  1. Initial inspection & intake – Each core is evaluated for structural integrity. Irreparably damaged castings (cracked housings, stripped mounting threads) are rejected.

  2. Complete disassembly – The unit is stripped down to individual components: bearing cages, planetary carriers, ring gears, spindle shaft, piston block, cylinder barrel, valve plate, hydraulic motor section and brake pack.

  3. Cleaning & crack detection – All ferrous components are cleaned in a heated parts washer, then inspected using dye penetrant testing on critical castings. Any part showing cracks, spalling or excessive wear is scrapped and replaced.

  4. Wear component replacement – The following are always replaced with new, not reused: all seals, all o‑rings, all gaskets, all roller bearings, the complete piston/slipper assembly, the cylinder barrel wear plate, and the valve plate.

  5. Precision reassembly – Components are reassembled using OEM torque specifications. Clearance tolerances on the piston block and valve plate interface are verified using dial indicators.

  6. Hydraulic dyno testing – The completed final drive is mounted to a test stand, connected to a hydraulic power unit, and run through both speed ranges under load. Test parameters include operating pressure, shaft speed, case drain flow, brake holding torque and noise/vibration levels.

• 90% stock availability – CAT 325B final drive assemblies (114-1357) are in stock and ready for immediate dispatch from our Guangzhou warehouse. No waiting for backorders or overseas shipments.

• 24‑hour shipment – From our Guangzhou hub to your forwarder in 1 day; international orders shipped within 24 hours via sea, air or express courier (DHL, FedEx, UPS, TNT).

• Pre‑shipment visual verification – Every unit is photographed before packing. You receive clear, high‑resolution images confirming the condition, paint finish and port thread integrity. You approve shipment – we do not ship blind.

• One‑stop sourcing – We also supply hydraulic pumps, swing motors, control valves, undercarriage components (track rollers, idlers, sprockets, track chains), engine parts, and full rebuild kits for Caterpillar, Komatsu, Hitachi, Kobelco, Hyundai, SANY and XCMG machines.

• Technical support before and after – Our in‑house workshop team can confirm fitment (send your machine serial number), provide installation guidance, and help troubleshoot any issues during commissioning.

Send us your CAT 325B machine serial number – we will confirm final drive compatibility and provide a quote within 2 hours.

5. Installation Tips – From Our Workshop to Yours

Proper installation is critical for achieving the full service life of any final drive. Follow these guidelines:

6. Ordering & Delivery

Warranty note: We do not offer a traditional warranty on this remanufactured final drive. Our value is delivered up front: careful remanufacturing, thorough pre‑shipment inspection, and visual verification before dispatch. For customers requiring a warranty‑covered option, we can quote aftermarket new units – please ask our sales team.

7. Before You Order – Quick Compatibility Check

Send us:

• Machine serial number (325B, 325B L, or other compatible models) – this is essential; final drive mounting patterns changed between production years

• Optional but helpful: a photo of your old final drive (showing mounting flange, port locations, and any visible part number markings)

We will confirm fitment and provide a firm quote within 24 hours.