JWS 400/340 Mud Pump OEM Replacement Parts

Product Introduction

This curated assortment covers all high-wear and mission-critical components for JWS 400/340 mud pumps, including crankshafts, connecting rod bushings, bearings, drive shafts, crossheads, lubrication pumps, pressure gauges, seals, hoses, repair kits and hydraulic fittings. All parts comply with API 7K mud pump standards, ISO 9001 quality benchmarks and OEM performance requirements, with full material traceability and pressure testing. The lineup includes forged steel crankshafts, precision-machined bushings, high-load bearings, chemical-resistant hoses and calibrated pressure gauges, fully mapped to OEM part numbers for simplified inventory and emergency field repairs.

Functional Performance Specifications

These JWS 400 mud pump spare parts deliver consistent, field-proven performance: crankshaft assemblies withstand radial loads up to 180 tons with zero deflection under continuous operation; connecting rod bushings reduce friction wear by 45% compared to standard components, extending service life to 8000+ operating hours; high-precision pressure gauges maintain ±1% accuracy across full pressure ranges (0-6000 PSI); lubrication pumps deliver consistent oil flow at 160 PSI to prevent dry running; and heavy-duty drive shafts handle torque loads up to 5000 FT-LBS without fatigue failure.

Structural & Material Features

• OEM-Certified Dimensional Accuracy: All load-bearing components are machined to ±0.0005 inch tolerance for perfect alignment, eliminating premature wear and fitment delays
• High-Performance Material Selection: Forged alloy steel for crankshafts and crossheads, hardened bronze for connecting rod bushings, premium SKF bearings, oil-resistant synthetic rubber for hoses and high-grade elastomers for seals to resist drilling fluid abrasion and corrosion
• Modular Repair Design: Pre-assembled repair kits and pre-sized components cut field overhaul time by 50%, minimizing non-productive time on drilling rigs
• Pressure & Abrasion Resistance: Components rated for operating pressures up to 6000 PSI and engineered to withstand abrasive drilling mud, shale cuttings and high-temperature drilling fluids
• Standardized Interchangeability: All parts conform to OEM and API standards, ensuring perfect compatibility with JWS 400/340 pump models and eliminating cross-fit errors

Applicable Operating Conditions

These spare parts are built for harsh onshore drilling environments, optimized for JWS 400/340 mud pumps used in exploration, development and workover drilling operations. They perform reliably in ambient temperatures ranging from -10°F to 350°F, handle abrasive water-based and oil-based drilling muds, and operate under continuous high-pressure cycles. Components are suitable for remote rig locations, high-vibration operation and both intermittent and 24/7 continuous duty cycles.

Maintenance & Service Recommendations

• Inspect connecting rod bushings, crankshaft bearings and seals every 500 operating hours for wear, scoring or leakage to prevent catastrophic pump failure
• Replace lubrication pump filters and worn hoses every 6 months to maintain clean oil flow and prevent system contamination
• Calibrate pressure gauges quarterly to ensure accurate pressure monitoring and avoid over-pressurization of the pump system
• Lubricate drive shafts, crossheads and connecting rods per OEM specifications to reduce friction and extend component service life
• Stock critical wear parts (bushings, bearings, seals, gauges) at recommended minimum levels to avoid unplanned pump shutdowns
• We supply the following spare parts:

		Запасные части для буровых насосов	Spare parts for Mud Pumps
1	1714028	Вал коленчатый 1714028	CrankShaft for Gardner Denver Pump
2	41743	Вкладыш шатуна JWS-400/340 1714012	Connecting Rod Bushing for  JWS-400/340 Pump (1714012)
3	4600075	Подшипник входного вала 4600075	Bearing for Input Shaft
4	B 10920 SKF	Уплотнение B 10920 SKF	Seal B 10920 SKF
5	1714299	Фиксатор 1714299	Retainer
6	1PO183-z	Шток удлинительный “GD” 1PO183-z	Extension Rod “GD” 1PO183-z
7	DN381839	Элемент фильтра РАН DN381839	Filter Element РАН DN381839
8	1714512	Вал 1714512	Shaft for JWS-400 Pump, Input
9	1310.58 5/8	Вал карданный 1310.58 5/8	DriveShaft 1310.58 5/8
10	DRIVELINE-1880-JWS-400	Вал карданный DRIVELINE-1880-JWS-400	DriveShaft “DRIVELINE-1880-JWS-400”
11	1810	Кардан Spacer 1810	Driveline (Cardan), Spacer 1810, Short-Coupled
12	1715005	Крейцкопф CROSSHEAD 1715005	Crosshead
13	KMS1OB02X1544SS	Насос смазки KMS1OB02X1544SS	Lubrication Pump
14	12GC2	Подшипник 12GC2	Bearing
15	V102-A9B33600-M	Ремень регулир.V-образ.-V102-A9B33600-M	V-type Adjusting Belt
16	1294189	Форсунка д/системы орошения 1294189	Liner Spray System 7-P-50
17	5702085-181	Цепь RC-80-5 5702085-181	Chain, 181 Links, RC-80-5
18	1714000	Шатун в сборе 1714000	Connecting Rod Assembly
19	1714296	Шток промежуточный 1714296	Stem 1714296
20	602-0699	Манометр (0-160 PSI) 602-0699	Gauge, 0-160 PSI
21	602-0085	Манометр (0-3000 PSI) 602-0085	Gauge, 0-3000 PSI
22	A662-CR596	Радиатор A662-CR596	Cooling Radiator of DD-60 Engine
23	63294	Манометр 0-1000 63294	Gauge 0-1000 PSI
24	63296	Манометр 0-3000 63296	Gauge 0-3000 PSI
25	63336	Манометр 0-600 63336	Gauge 0-600 PSI
26	602-0141	Манометр 0-600 psi 602-0141	Gauge 0-600 PSI
27	63297	Манометр 0-6000 63297	Gauge 0-6000 PSI
28	02250163-427	Манометр 2.5″ 02250163-427	Gauge 2.5″
29	5280K15	Муфта БРС 1″ MCM 5280K15	QD Box Joint 1″ MCM 5280K15
30	5280K14	Муфта БРС 3/4″ MCM 5280K14	QD Box Joint 3/4″ MCM 5280K14
31	9510290047	Насос смазки 9510 290 047	Lubrication Pump
32	5280K23	Ниппель БРС 1″ MCM 5280K23	QD Nipple Joint 1″ 1″ MCM 5280K23
33	5280K22	Ниппель БРС 3/4″ MCM 5280K22	QD Nipple Joint 3/4″ MCM 5280K22
34	NBFI2857000	Радиатор в сборе NBFI2857000	Radiator in Assembly
35	–	Силовой вал в сборе JWS-400	Output Shaft for JWS-400
36	801-16- BLK- RL	Шланг Parker Push-Lok 1″ 801-16- BLK- RL, метров	Hose Parker Push-Lok 1″ 801-16- BLK- RL, supplied in meters (required qty. 528 meters)
37	801-12- BLK- RL	Шланг Parker Push-Lok 3/4″  801-12- BLK- RL, метров	Hose Parker Push-Lok 3/4″  801-12- BLK- RL, supplied in meters (required qty. 528 meters)
38	G-1717602	Колен. вал в комплекте G-1717602	CrankShaft in Assembly for JWS pump
39	G1716004	Крейцкопф в сборе G1716004	Rod in Assembly, Complete Connecting for JWS pump
40	1713981	Ремкомплект редуктора 1713981	Repair Kit for Reducer 1713981 for JWS pump
41	G-1717620	Ремкомплект системы смазки G-1717620	Piping, Low Speed Lubrication (see page 4 in the catalogue) for JWS
42	46095027	Заготовка 0x30x135 Ecorubber-H 46095027	Work-piece 0x30x135 Ecorubber-H 46095027
43	46040129	Заготовка 202х238х154 Т-Экопур 46040129	Work-piece 202х238х154 Т-Ecopur  46040129
44	30877	Заготовка 28x66x154 H-Ecopur 30877	Work-piece 28x66x154 H-Ecopur 30877
45	32338	Заготовка 55x95x150 Ecoflon 2 32338	Work-piece 55x95x150 Ecoflon 2 32338
46	46040057	Заготовка 56х94х154 Т-Экопур 46040057	Work-piece 56х94х154 Т-Ecopur 46040057
47	46095063	Заготовка 90х140х135 ЭкорабберН 46095063	Work-piece 90х140х135 Ecorubber Н 46095063
48	11089276	Соленоид пропорционал.типа 11089276	Solenoid, Proportional Type, for Hydraulic System, PVG32 Actuator, proportional valve
49	2P110355	Вкладыш клапана 2P110355	Valve Insert 2.5″
50	–	Комплект ремонтный NH2M	Repair Kit NH2M
51	D16ME16	Фитинг угловой D16ME16	Elbow Fitting

Field Failure Repair Case Studies

Case 1: JWS 400 Connecting Rod Bushing Wear

A JWS 400 mud pump experienced excessive vibration and reduced efficiency due to worn connecting rod bushings (41743). The degraded bushings caused misalignment and accelerated crankshaft wear. Installing OEM-spec precision bushings eliminated vibration, restored pump alignment and resumed full mud circulation capacity.

Case 2: Lubrication Pump Malfunction

A JWS 400 pump suffered dry running risks due to a faulty lubrication pump (KMS1OB02X1544SS) that failed to deliver adequate oil flow. Replacing the defective pump with an OEM unit restored consistent lubrication, prevented component overheating and avoided costly pump overhaul.

Case 3: Pressure Gauge Inaccuracy

A rig encountered over-pressurization risks due to a faulty 0-3000 PSI pressure gauge (602-0085) with inaccurate readings. Swapping the defective gauge with a calibrated OEM gauge restored precise pressure monitoring, ensuring safe pump operation and preventing pressure-related damage.

Frequently Asked Questions (FAQ)

Question	Answer
Are these parts compatible with both JWS 400 and JWS 340 mud pumps?	Yes, this parts list includes OEM-matched components designed for both JWS 400 and JWS 340 mud pump models, with direct fitment for all listed part numbers.
Do these spare parts meet API 7K industry standards?	Absolutely, all critical mud pump components comply with API 7K standards for reciprocating drilling mud pumps, matching OEM quality and performance benchmarks.
Can these parts fix common JWS 400 pump failures?	Yes, these OEM replacement parts directly resolve the most frequent issues: bushing/bearing wear, lubrication system faults, pressure gauge errors, seal leaks and drive line damage.

Procurement Guidance & Closing Value Statement

This JWS 400/340 mud pump spare parts list serves as both a formal procurement benchmark and a technical troubleshooting reference, designed to minimize costly rig downtime, reduce long-term maintenance expenses and uphold the pressure integrity and operational reliability of your mud pump system. Each part is a verified OEM-grade component that eliminates the risks of low-quality aftermarket parts, ensures API compliance, and delivers consistent durability in harsh drilling conditions.

Whether you need to replace worn crankshaft components, faulty lubrication parts, degraded seals, inaccurate gauges or damaged drive lines to restore your JWS 400/340 pump, or stock critical spares for routine maintenance and emergency overhauls, this catalog provides the exact parts, quantities and specifications your operation demands. Secure your supply of authentic JWS 400 mud pump spare parts today to protect your equipment investment, maintain uninterrupted mud circulation workflows, and keep your drilling operations running efficiently and reliably in the field.