Product Introduction
This curated assortment covers all mission-critical wear components, mechanical assemblies, sealing parts, and brake hardware for the KERUI E-2000-D (JC70D 2000HP) drawworks, including heavy-duty oilfield chains (160-4/120-6/08B-2 series), high-torque pneumatic clutches (LT1168X305T/LT965X305T), precision spherical roller/cylindrical bearings (22238CC/W33, 22340CC/W33), friction wheels, shaft sleeves, lip seals, O-rings, inertia brake assemblies, brake caliper components, high-strength fasteners, pneumatic valves, and hydraulic/pneumatic fittings. All parts comply with API 4F drilling equipment standards, ISO 9001 quality benchmarks, and KERUI OEM performance requirements, with full material traceability and factory load testing up to rated 2000HP capacity.
Structural & Material Features
- OEM Precision Machining: All metal components are machined to tight tolerances (±0.0004 inch), ensuring perfect fitment with E-2000-D drawworks modules and eliminating premature wear from misalignment
- Heavy-Duty Material Selection: Heat-treated alloy steel for chains, bearings, and fasteners; high-friction wear-resistant materials for clutch/brake components; FKM/nitrile elastomers for seals; and corrosion-resistant steel for hardware to withstand harsh drilling mud, brine, and extreme temperatures
- Modular Repair Design: Pre-matched seal kits, bearing sets, and brake assemblies reduce field overhaul time by 68%, minimizing non-productive rig downtime
- Load-Bearing Reinforcement: Thick-wall shaft sleeves and reinforced bearing seats distribute 2000HP heavy loads evenly, preventing structural fatigue and cracking
- Wear-Resistant Surface Treatment: Hardened gear/sprocket teeth and coated brake components reduce friction wear and extend component lifespan under high-cycle heavy operation
Applicable Operating Conditions
These spare parts are engineered for extreme harsh drilling environments, optimized for KERUI E-2000-D 2000HP drawworks used in drill string hoisting, heavy casing running, and high-load rig floor operations. They perform reliably in ambient temperatures ranging from -40°F to 390°F, resist exposure to corrosive drilling fluids, high-pressure air, and gear oil, and endure continuous high-cycle heavy hoisting loads. Components are suitable for land rigs, desert drilling sites, and offshore platforms, fully complying with API 4F and global oilfield safety standards.
Maintenance & Service Recommendations
- Inspect 160-4/120-6 oilfield drive chains for wear, elongation, and link damage every 400 operating hours; replace full chain assemblies when elongation exceeds 1.5% to avoid catastrophic breakage
- Lubricate chains, bearings, and clutch components with high-temperature gear oil every 250 operating hours to reduce friction and prevent premature wear
- Check lip seals, O-rings, and gasket sets quarterly for hardening, cracking, or extrusion; replace full seal kits during scheduled overhauls (every 10 months or 3,500 operating hours)
- Inspect brake blocks, caliper pins, and return springs monthly; replace worn brake blocks when thickness is reduced by 45% to maintain safe, consistent braking performance
- Test clutch engagement and pneumatic valve operation every 5 months to ensure responsive control and eliminate torque loss/slippage
- Stock critical high-wear parts (chains, bearings, seals, brake blocks, clutches) at recommended minimum levels to avoid unplanned downtime during emergency repairs
We supply the following spare parts:
| SPARE PARTS DRAW WORKS KERUI TYPE JC70D 2000HP | |||
| 1 | 160-4×200 oilfield chain | SY/T5595-1997 160 | EA |
| 2 | 120-6×146 oilfield chain | SY/T5595-1997 | EA |
| 3 | Chain 08B-2×156 (RC40-2) | GB/T 1243-2006 | EA |
| 4 | Clutch | LT1168X305T | EA |
| 5 | Shaft sleeve L=65 | KR106.16.20.07 | EA |
| 6 | Bearing 190X340X92 | 22238 CC/W33 | EA |
| 7 | Bearing 190X340X55 | NU 238 ECM | EA |
| 8 | Shaft sleeve L=127.5 | KR106.16.20.11 | EA |
| 9 | Left bearing seat | KR106.16.20.13 | EA |
| 10 | Bolt M30X180 | GB/T 5782-2000 | EA |
| 11 | Nut M30 | GB/T 6170-2000 | EA |
| 12 | Washer 30 | GB/T 93-1987 | EA |
| 13 | Shaft sleeve L=60 | KR106.16.20.15 | EA |
| 14 | Rubber hose assembly 0 25I M39X2-M39X2 | JB 1888-77 | EA |
| 15 | Right bearing seat | KR106.16.20.17 | EA |
| 16 | Bearing 200X420X138 | 22340 CC/W33 | EA |
| 17 | Friction wheel | KR106.16.20.25 | EA |
| 18 | Clutch | LT 965 X 305T | EA |
| 19 | wheel hub II | KR106.16.20.26 | EA |
| 20 | Friction wheel | KR106.16.20.43 | EA |
| 21 | Adjusting shim t0.25 | KR106.16.20.45 | EA |
| 22 | Adjusting shim t0.5 | KR106.16.20.46 | EA |
| 23 | Adjusting shim t1 | KR106.16.20.47 | EA |
| 24 | Fittings body A16 | GB/T 5639-2008 | EA |
| 25 | Fittings body M24 X 1.5-R1/2″ | KR106.16.20.44 | EA |
| 26 | Copper pipe 016×1.5 L=450 | 016×1.5 L=450 | EA |
| 27 | Nut A16 | GB/T 5647-2008 | EA |
| 28 | Copper pipe 016×1.5 L=700 | 016×1.5 L=700 | EA |
| 29 | Sealing element | KR106.16.20.52 | EA |
| 30 | Connector | KR106.16.20.54 | EA |
| 31 | Lip type seal ring FB 200X230X15 | GB/T 13871-1992 | EA |
| 32 | Inertia brake device | KR106.22.31.00 | EA |
| 33 | Friction wheel | KR106.07.30.06 | EA |
| 34 | Inner gear Sleeve | KR106.07.30.07 | EA |
| 35 | O seal ring 200X5.3 | GB/T 3452. 12005 | EA |
| 36 | Gland | KR106.07.30.09 | EA |
| 37 | Press plate | KR106.07.30.10 | EA |
| 38 | Outer gear ring | KR106.07.30.22 | EA |
| 39 | Shaft sleeve L=50 | KR106.22.30.05 | EA |
| 40 | Bearing 320X180X86 | KR106.22.30.00 | EA |
| 41 | Left bearing seat | KR106.22.30.06 | EA |
| 42 | Chain wheel P=38,1. Z=22 | KR106.22.30.08 | EA |
| 43 | Chain wheel P=38.1 Z=26 | KR106.22.30.10 | EA |
| 44 | Small chain weel P=12.7 Z=62 | KR106.22.30.12 | EA |
| 45 | Right bearing seat | KR106.22.30.14 | EA |
| 46 | Drum type gear coupling | GII CL12-3H215A | EA |
| 47 | Bolt M20X80 | GB/ T 5782-2000 | EA |
| 48 | Nut M20 | GB/ T 6170-2000 | EA |
| 49 | Bolt M27X100 | GB/T 5783-2000 | EA |
| 50 | Washer 27 | GB/ T 93-1987 | EA |
| 51 | NUT M 27 | GB/ T 6170 -2000 | EA |
| 52 | Chain wheel P=50.8 Z=19 | KR106.16.40.07 | EA |
| 53 | Shaft sleeve L=42 | KR106.16.40.08 | EA |
| 54 | Bearing 190X340X120 | 23238CC/W33 | EA |
| 55 | Shaft sleeve L=96 | KR106.22.40.05 | EA |
| 56 | Chain wheel P=38.1 Z=66 | KR106.22.40.08 | EA |
| 57 | Inner gear sleeve Z=44 m=8 | KR106.22.40.12 | EA |
| 58 | Outer gear sleeve | KR106.22.40.13 | EA |
| 59 | Chain wheel P=38.1 Z=47 | KR106.22.40.15 | EA |
| 60 | Lip type seal ring FB 220X250X15 | GB/T 13871 -1992 | EA |
| 61 | Pad tl.5 | KR106.16.40.22 | EA |
| 62 | Pad t0.5 | KR106.16.40.24 | EA |
| 63 | Pad t1 | KR106.16.40.23 | EA |
| 64 | Bearing 220X340X90 | 23044CC/W33 | EA |
| 65 | Bearing 220X340X56 | NU 1044 MA | EA |
| 66 | Adjusting pad t0.5 | KR106.16.40.21 | EA |
| 67 | Bolt M27X60 | GB/T 5783 -2000 | EA |
| 68 | Bolt M16X45 | GB/T 5781-2000 | EA |
| 69 | Pipe sleeve 10 | GB/T 5646-2008 | EA |
| 70 | Hollow shaft water gas tap | 116.18C.00 | EA |
| 71 | Oil cup M10x1 | JB/T 7940.1-1995 | EA |
| 72 | Connector R1/4″-M16x1.5 | KR106.16.40.28 | EA |
| 73 | Oil pump device | KR106.07.289.00 | EA |
| 74 | Discharge filter | WUI-A63*100 | EA |
| 75 | Nozzle R1/4 | KR106.16.210.29 | EA |
| 76 | Two -way cylinder and locking unit | PRA-DA-080-0100 | EA |
| 77 | Gear lever | KR106.22.183.00 | EA |
| 78 | Shifting fork | KR106.22.187.00 | EA |
| 79 | Jaw | 1822122004 | EA |
| 80 | Connecting rod | KR106.22.180.01 | EA |
| 81 | Oil baffle plate t10 | KR106.22.180.03 | EA |
| 82 | Water vapor instrument device | KR129.01.00 | EA |
| 83 | Shaft | KR129.01.05 | EA |
| 84 | Lip type seal ring FB 80X100 | GB 13781-1992 | EA |
| 85 | V fabric insertion seal ring (A)70X95 | HG4-337-66 | EA |
| 86 | Pressure spring | KR129.01.06 | EA |
| 87 | O ring 75X5.3 | GB/T 3452.1-2005 | EA |
| 88 | Round nut M68x2 | GB/T 812-1988 | EA |
| 89 | Spring seat | KR129.01.15 | EA |
| 90 | Roller | KR106.09.12.00 | EA |
| 91 | Bearing 1207 35x72x17 | GB/T281-1994 | EA |
| 92 | Shaft | KR106.09.10.03 | EA |
| 93 | Retainer ring | KR106.09.10.04 | EA |
| 94 | Disc | P713-04 | EA |
| 95 | Main service cyliner assembly | KG-00 | EA |
| 96 | Spring, Caliper return | KQ-48 | EA |
| 97 | Pin, Emergency Support | KQ-12 | EA |
| 98 | Pin, Cylinder | KQ-08 | EA |
| 99 | Cap Screw | KQ-51 | EA |
| 100 | Pin, Caliper Pivot | KQ-10 | EA |
| 101 | Pin, Brake Pad | KQ-11 | EA |
| 102 | Long Bolt of Brake Block | KQ-49 | EA |
| 103 | Bolt of Brake Block | KQ-50 | EA |
| 104 | Bush | KQ-33 | EA |
| 105 | Brake block | KQ-21 | EA |
| 106 | Bush | KQ-32 | EA |
| 107 | Bush | KQ-34 | EA |
| 108 | O Ring | KG-81 | EA |
| 109 | BA seal ring | KG-82 | EA |
| 110 | Dust-Proof ring | KG-83 | EA |
| 111 | Wiper, Rod | KG-84 | EA |
| 112 | BA seal ring | KG-85 | EA |
| 113 | Combined Seal Washer 14 | KG-72 | EA |
| 114 | One-Way Oil Injecting Valve | KG-61 | EA |
| 115 | Articulated Body | KQ-59 | EA |
| 116 | Hollow Adapter | KQ-54 | EA |
| 117 | Bush | KG-31 | EA |
| 118 | Bush | KB-35 | EA |
| 119 | Bush | KB-37 | EA |
| 120 | Bush | KB-38 | EA |
| 121 | Pin, Emergency Support | BG-13 | EA |
| 122 | Bush | BQ-34 | EA |
| 123 | Emergency cyliner assembly | BG-00C | EA |
| 124 | Pin, Cylinder | BQ-09 | EA |
| 125 | Pin, Caliper Pivot | BQ-10 | EA |
| 126 | Pin, Brake Pad | BQ-11 | EA |
| 127 | Bush | BQ-33 | EA |
| 128 | Brake block | BQ-22 | EA |
| 129 | Bush | BQ-32 | EA |
| 130 | Bush | BG-31 | EA |
| 131 | Screw Plug | BG-42 | EA |
| 132 | O Ring | BG-81 | EA |
| 133 | BA Seal ring | BG-82 | EA |
| 134 | BA Seal Ring | BG-89 | EA |
| 135 | Wiper, Rod | BG-88 | EA |
| 136 | Working plunger | BG-07 | EA |
| 137 | Spring | BG-47 | EA |
| 138 | Seal ring | BG-86C | EA |
| 139 | Dust-Proof ring | BG-87 | EA |
| 140 | Bush | BB-36 | EA |
| 141 | Bush | BB-35 | EA |
| 142 | Toggle valve FP-L6 | Qy434 | EA |
| 143 | Air filter | QSL-L25 | EA |
| 144 | Pressure regulating relay | QY411 | EA |
| 145 | Connector M27x1.5-R1/2 | 1QT-27-08SP | EA |
| 146 | Tee Rc1/4 | GB/T 14383-2008 | EA |
| 147 | Shuttle valve SM-L6 | QY425 | EA |
| 148 | Connector NPT1/4-M16x1.5 | 1QN-16-04 | EA |
| 149 | Connector G1/8-M16x1.5 | 1QG-16-02 | EA |
| 150 | Connector G3/8-M16x1.5 | 1QG-16-06 | EA |
| 151 | Connector M18x1.5-NPT1/4 | 1QN-18-04 | EA |
| 152 | Rotate gas guide joint | XJ-L15 | EA |
| 153 | Reducing tee Rc1x1x1/2 | GB/T 14383 -2008 | EA |
| 154 | Pipe sleeve 16 | GB/T 5646 -2008 | EA |
| 155 | Nut A 10 | GB/T 5647-2008 | EA |
| 156 | Bush | KB-36 | EA |
| 157 | Bush | BB-37 | EA |
| 158 | Bush | BB-38 | EA |
| 159 | Connector Rc3/8″-M18x1.5 | KR106.22.270.08 | EA |
| 160 | Connector M18x1.5-NPT1/2 | 1QN-18-08 | EA |
| 161 | Lip type seal ring FB 240X270X15 | GB/T 13871-1992 | EA |
| 162 | Bolt M27X95 | GB/T 5783-2000 | EA |
| 163 | Shifting fork | KR106.07.42.00 | EA |
Field Failure Repair Case Studies
Case 1: 160-4 Drive Chain Breakage & Hoisting Shutdown
A JC70D rig suffered sudden hoisting failure due to a fractured 160-4 oilfield chain, caused by excessive wear and insufficient lubrication. Installing OEM SY/T5595-1997 compliant 160-4×200 chains restored full power transmission, eliminated breakage risks, and resumed heavy-duty drilling operations.
Case 2: LT1168 Clutch Slippage & Torque Loss
The E-2000-D drawworks experienced severe clutch slippage during 2000HP heavy hoisting, traced to worn OEM friction wheels (KR106.16.20.25) and damaged clutch hubs. Replacing OEM clutch friction components restored full 305T torque capacity, eliminating slippage and ensuring stable load handling.
Case 3: 22238CC/W33 Bearing Failure & Abnormal Vibration
Excessive vibration and noise from the drawworks main shaft indicated a failed 22238CC/W33 spherical roller bearing, caused by contamination and fatigue. Swapping in OEM precision bearings eliminated vibration, restored smooth shaft rotation, and prevented further damage to internal drive components.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible with all KERUI E-2000-D (JC70D 2000HP) drawworks? | Yes, this parts list is designed exclusively for KERUI E-2000-D 2000HP drawworks paired with JC70D rigs, matching OEM part numbers and API 4F specifications for full drop-in fitment. |
| Do the oilfield chains meet SY/T5595-1997 industry standards? | Absolutely, all 160-4/120-6 drive chains comply with SY/T5595-1997 standards, matching KERUI OEM tensile strength and wear resistance requirements for heavy-duty use. |
| Can these parts be used for routine maintenance and emergency drawworks repairs? | Yes, these OEM-grade spares work for scheduled preventive maintenance, full drawworks overhauls, and emergency field repairs to minimize costly rig downtime. |
Procurement Guidance & Closing Value Statement
This KERUI E-2000-D (JC70D 2000HP) drawworks spare parts catalog serves as both a formal procurement benchmark and a technical troubleshooting reference, designed to eliminate the risks of substandard aftermarket parts, reduce long-term maintenance expenses, and uphold the safety and operational reliability of your 2000HP heavy-duty drilling drawworks. Every part is a verified OEM-certified component that guarantees perfect fitment, consistent heavy-load performance, and compliance with API 4F and industry quality standards, making it the definitive resource for maintaining KERUI E-2000-D drawworks.
Whether you need to replace worn drive chains, faulty clutches, damaged bearings, degraded seals, or worn brake components to restore your drawworks functionality, or stock critical OEM spares for routine maintenance and unforeseen breakdowns, this catalog provides the exact part numbers, quantities, and specifications your operation demands. Secure your supply of authentic KERUI E-2000-D drawworks spare parts today to protect your equipment investment, maintain uninterrupted heavy-duty drilling hoisting operations, and keep your rig running safely and efficiently in the field.
