Product Introduction
This curated interchangeable parts collection includes high-wear components, bearing assemblies, sealing elements, and structural modules fully compatible with HHF-1300/1600 and FB-1300/1600 mud pumps. Each part is engineered to directly replace corresponding OEM parts for both pump models, eliminating the need to maintain separate inventories for Honghua HHF and FB-branded pumps. Covering power end, crosshead, and fluid end systems, these parts are ideal for multi-pump rig fleets, preventive maintenance programs, and emergency breakdown repairs, offering a cost-effective, versatile sourcing solution without compromising performance or durability.
Functional Description
- Cross-Brand Compatibility: Directly swaps between HHF and FB 1300/1600 mud pumps, matching OEM part numbers, mounting dimensions, and performance specs for zero-modification installation.
- Critical System Support: Covers power transmission (crankshaft, connecting rods), motion guidance (crosshead, slides), sealing (O-rings, oil seals), and high-pressure fluid handling (fluid end, liners, valves) for full pump functionality.
- Wear Resistance & Durability: High-load bearings, bi-metal liners, and precision seals withstand abrasive mud and high-pressure operation, matching or exceeding OEM component lifespan.
- Leak-Proof Sealing: GB/T 3452.1 standard O-rings and double-lip oil seals maintain reliable sealing under extreme pressure and temperature fluctuations, preventing fluid leakage and contamination.
- Stable Power Transmission: Precision-machined crankshafts, connecting rods, and gear pairs ensure smooth torque transfer and reciprocating motion, reducing vibration and premature wear.
Maintenance & Care Recommendations
Follow these guidelines to maximize service life and maintain cross-compatibility for these interchangeable parts:
- Pre-Installation Inspection: Verify part numbers match both HHF and FB OEM references, check for machining defects, and confirm dimensional accuracy before installation.
- Lubrication Compliance: Use ISO VG 320 anti-wear gear oil for power end components, and follow OEM torque specs for fasteners to ensure proper seating.
- Regular Wear Checks: Inspect bi-metal liners, bearings, and seals every 500 operating hours; replace worn parts promptly to avoid cascading failures.
- Seal Maintenance: Replace O-rings and oil seals during every major overhaul, and lubricate sealing surfaces to prevent dry friction damage.
- Inventory Management: Stock interchangeable parts by universal spec rather than brand, and label parts with both HHF and FB part numbers for quick identification.
| Interchangeable parts between HHF-1300 and FB-1300 mud pump | ||||
| No | P/N —HHF-1300 | Name/Desc. | Drawing Code. | P/N —FB-1300 |
| HHF-1300 Crankshaft assembly | GH3131-02.00 | |||
| 1 | 11-3131-0206 | Connecting rod | GH3131-02.06 | 6317-0026-00 |
| 2We supply the following spare parts: | 11-3131-0221-1 | Bearing , eccentric strap 928/660.4QU | GH3131-02.21 | 7602-0212-69 |
| 3 | 11-3131-0222-1 | Main bearing, 3G4053160H | GH3131-02.22 | 7602-0201-38 |
| 4 | 11-3161-0208-00 | Crankshaft, hollow | GH3161-02.08.00 | 6316-0021-00 |
| Note: The gear pairs of HHF-1300/1600 and FB-1300/1600 mud pump are interchangeable by pair | ||||
| Interchangeable parts between HHF-1600 and FB-1600 mud pump | ||||
| No | P/N—HHF-1600 | Name/Desc. | Drawing Code | P/N—FB-1600 |
| HHF-1600 Crankshaft Assembly | GH3161-02.00 | |||
| 1 | 11-3161-0206 | Connecting rod | GH3161-02.06 | 6316-0023-00 |
| 2 | 11-3161-0208-00 | Crankshaft, hollow | GH3161-02.08.00 | 6316-0021-00 |
| 3 | 11-3161-0221-2 | Bearing, eccentric strap 929/660.4QU | GH3161-02.21 | 7602-0212-68 |
| 4 | 11-3161-0222-2 | Main bearing, 3G3003760HY | GH3161-02.22 | 7602-0201-37 |
| Interchangeable part list between HHF-1300/1600 and FB-1300/1600 mud pump | ||||
| No | P/N—HHF-1300/1600 | Name/Desc. | Drawing Code | P/N—FB-1300/1600 |
| Crosshead Assembly | GH3161-04.00 | |||
| 1 | 11-3161-0401 | crosshead | GH3161-04.01 | 6316-0022-00 |
| 2 | 11-3161-0402 | Slide(guide), upper | GH3161-04.02 | 6316-0687-00 |
| 3 | 11-3161-0405 | Stuffing box | GH3161-04.05 | 6397-0544-00 |
| 4 | B34521-190-355-69 | O-ring190x3.55G | GB/T3452.1-1992 | 7601-1610-22 |
| 5 | 11-3161-0407 | Oil seal, double-lip, 5″x6.25″x0.625″ | GH3161-04.07 | 7602-2132-76 |
| 6 | 11-3161-0410 | Locking spring | GH3161-04.10 | 6397-0546-00 |
| 7 | 11-3161-0411 | Baffle | GH3161-04.11 | 6317-0093-00 |
| 8 | 11-3161-0412 | Crosshead extension rod | GH3161-04.12 | 6316-0028-00 |
| 9 | 11-3161-0413 | Pin, crosshead | GH3161-04.13 | 6316-0087-00 |
| 10 | B34521-160-700-69 | O-ring, 160×7.0G | GB/T3452.1-1992 | 7602-1600-39 |
| 11 | 11-3161-0415 | Slide (guide), lower | GH3161-04.15 | 6316-0688-00 |
| 12 | 11-3161-0417 | Crosshead bearing, 254941QU | GH3161-04.17 | 6301-0038-00 |
| Pinion shaft assembly | ||||
| 1 | 11-3161-0312 | Bearing, 4G32844H | GH3161-03.12 | 7602-0212-67 |
| Fluid end assembly | GH3161-05.00 | |||
| 1 | 11-3161-0501-00 | Cylinder (block) assembly | GH3161-05.01.00 | 6316-0357-00 |
| 2 | 11-3161-0501-01 | Fluid end | GH3161-05.01.01 | 6316-0356-00 |
| 3 | 11-3161-0502 | Cylinder cover | GH3161-05.02 | 6316-0361-00 |
| 4 | 11-3161-0503 | Cylinder Cover, Threaded ring | GH3161-05.03 | 6316-0362-00 |
| 5 | 11-3161-0508 | Seal ring, cylinder cover | GH3161-05.08 | 6316-0369-00 |
| 6 | 11-3161-0509 | Discharge manifold | GH3161-05.09 | 6316-0043-00 |
| 7 | 11-3161-0510 | Valve spring | GH3161-05.10 | |
| 8 | B34521-095-530-69 | O-ring95*5.3G | GB/T3452.1-1992 | 7602-1600-25 |
| 9 | 11-3161-0511-00 | Valve assembly | GH3161-05.11.00 | |
| 10 | 11-3161-0512 | Seal ring, valve cover | GH3161-05.12 | 6316-0092-00 |
| 11 | 11-3161-0513 | Valve cover | GH3161-05.13 | 6316-0039-00 |
| 12 | 11-3161-0514 | Seal ring, liner | GH3161-05.14 | 6316-0373-00 |
| 13 | 11-3161-0515 | Liner wear ring | GH3161-05.15 | 6316-0365-00 |
| 14 | 11-3161-0520 | Locking Ring, Liner Retainer screw | GH3161-05.20 | 6316-0333-00 |
| 15 | 11-3161-0521-21 | Bi-metal liner 5 | GH3161-05.21 | 6316-0368-00 |
| 11-3161-0521-22 | Bi-metal liner 5 1/2 | |||
| 11-3161-0521-23 | Bi-metal liner 6 | |||
| 11-3161-0521-24 | Bi-metal liner 6 1/4 | |||
| 11-3161-0521-25 | Bi-metal liner 6 1/2 | |||
| 11-3161-0521-26 | Bi-metal liner 6 3/4 | |||
| 16 | 11-3161-0517-00 | Liner retainer screw | GH3161-05.17.00 | 6316-0367-00 |
| 17 | 11-3161-0516 | Liner retainer ring | GH3161-05.16 | 6316-0366-00 |
| 18 | 11-3161-0518 | Piston rod | GH3161-05.18 | 6316-0359-00 |
| 19 | B34521-200-700-69 | O-ring200x7.0G | GB/T3452.1-1992 | 7602-1600-44 |
| 20 | 11-3161-0522-00 | Clamp assembly, piston rod | GH3161-05.22.00 | 6316-0107-11 |
| 21 | 11-3161-0524-00 | Piston | GH3161-05.24.00 | |
| 22 | 11-3161-0527 | Guide, valve (upper) | GH3161-05.27 | 6397-0575-00 |
| 23 | 11-3161-0531 | Seal ring, piston | GH3161-05.31 | |
| 24 | 11-3161-0532-00 | Nut, piston | GH3161-05.32.00 | 7601-0720-58 |
| 25 | B34521-190-700-69 | O-ring, 190×7.0G | GB/T3452.1-1992 | 7602-1600-61 |
| 26 | B34521-345-700-69 | O-ring, 345×7.0G | GB/T3452.1-1992 | 7602-1600-52 |
Field Fault Repair Cases
Case 1: FB-1600 Crosshead Bearing Failure
Fault Symptom: Seized crosshead bearing on an FB-1600 pump, halting drilling operations with no dedicated FB spare parts in inventory.
Root Cause: Premature wear of crosshead bearing (254941QU) due to contaminated lubricant.
Repair Solution: Installed interchangeable HHF-1600 crosshead bearing (11-3161-0417), which matched dimensions and load capacity. The pump resumed operation within 2 hours, avoiding days of downtime.
Case 2: HHF-1300 Fluid End Liner Leakage
Fault Symptom: High-pressure mud leakage from the liner seal on an HHF-1300 pump, with no dedicated HHF seal parts on-site.
Root Cause: Damaged liner seal ring (11-3161-0514) from abrasive mud wear.
Repair Solution: Used interchangeable FB-1300 liner seal ring (6316-0373-00), which fit perfectly and restored full sealing pressure, eliminating leakage immediately.
Case 3: FB-1300 Connecting Rod Breakage
Fault Symptom: Cracked connecting rod on an FB-1300 pump, delaying a critical drilling phase with no FB replacement rod available.
Root Cause: Fatigue failure from continuous high-load operation.
Repair Solution: Installed interchangeable HHF-1300 connecting rod (11-3131-0206), which aligned perfectly with the crankshaft and crosshead. The pump was back online the same day, reducing downtime by 70%.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts truly interchangeable between HHF and FB 1300/1600 pumps without modifications? | Yes, all parts are engineered to match OEM dimensions, mounting points, and performance specs for both brands, enabling direct, no-modification installation. |
| Do gear pairs for these pumps need to be replaced as a matched set? | Yes, gear pairs for HHF/FB 1300/1600 pumps are interchangeable only as matched sets to ensure proper meshing and avoid premature wear. |
| Can I use these interchangeable parts for both routine maintenance and emergency repairs? | Absolutely, these parts are designed for both scheduled preventive maintenance and urgent breakdown repairs, making them ideal for mixed-brand pump fleets. |
Procurement Guidance
Investing in these HHF-1300/1600 & FB-1300/1600 interchangeable mud pump parts streamlines your spare parts inventory, slashes carrying costs, and eliminates costly downtime from brand-specific part shortages. Each component undergoes rigorous API 7K compliance testing and cross-fit verification, ensuring reliable performance that matches OEM standards for both pump lines. This product line not only simplifies procurement for multi-brand rig fleets but also provides a critical technical reference for fast, accurate cross-brand repairs.
