JC70D/ZJ70D/DQ70BS-JH Drilling Rig Spare Parts

Product Introduction

Our JC70D drilling rig spare parts lineup covers all critical wear and structural components for heavy-duty drilling rig systems, including drawworks drive shafts, gear pumps, roller chains, top drive bearings, sealing glands, mud hoses, hydraulic pumps, brake cylinders, engine filters, and high-pressure manifold valves. Crafted from high-strength alloy steel, wear-resistant cast iron, heat-stabilized rubber, and precision-machined metal components, each part undergoes pressure testing, dimensional verification, and material validation to match OEM performance standards. This lineup supports both legacy (2002) and modern (2010/2015) JC70D/ZJ70 rig variants, ensuring full compatibility across your fleet.

Functional Capabilities

• Drawworks Power Transmission: Main/intermediate drive shafts, spline connections, and sprockets deliver reliable torque transfer for JC70D winch operations, supporting smooth hoisting and lowering of drill strings.
• Top Drive Rotation & Support: Tapered/cylindrical roller bearings and sealing glands stabilize top drive rotation, preventing mud intrusion and reducing friction for efficient drilling head operation.
• Hydraulic & Lubrication Control: Gear pumps, axial piston pumps, and filter assemblies maintain clean, pressurized hydraulic/lubrication fluid flow, protecting gears and bearings from premature wear.
• High-Pressure Mud Circulation: Reinforced mud hoses, manifold valves, and sealing components handle 35 mPa working pressure, ensuring leak-proof mud delivery to the drill string.
• Brake & Safety Control: Working/safety brake cylinders and pneumatic valves enable reliable drawworks braking, meeting strict drilling safety standards for emergency stops.
• Engine & Auxiliary Support: Filters, turbochargers, and fuel system components keep G12V190PZL-1 diesel engines running efficiently, powering rig hydraulic and mechanical systems.

Structural Design Features

• Exact OEM Fit: Precision-machined dimensions and OEM part number cross-referencing ensure seamless replacement, reducing installation time by up to 50% compared to generic parts.
• High-Pressure Resilience: Mud hoses and manifold components are reinforced to withstand 35 mPa working pressure, resisting bursting and leakage under heavy drilling loads.
• Wear & Tear Resistance: Bearings, gears, and drive shafts use hardened alloy steel to resist abrasion, fatigue, and corrosion in harsh drilling mud and dust environments.
• Leak-Proof Sealing: Rotary seals, O-rings, and gaskets use high-grade rubber compounds to prevent mud and fluid leakage, extending the life of rotating components.
• Modular Repair Design: Individual components (bearings, seals, hoses) enable targeted repairs, minimizing waste and lowering long-term rig maintenance costs.

Applicable Operating Conditions

These JC70D rig spare parts are engineered to perform reliably in rigorous onshore drilling scenarios, including:

• JC70D drawworks for ZJ70DS (2002), ZJ70D (2010), ZJ70DB (2015) drilling rigs
• DQ70BS-JH top drive systems (2015) and SL-450-5/SL-225 swivel assemblies
• ZP-375/ZP-275 rotary tables and G12V190PZL-1 diesel engine auxiliary systems
• High-pressure mud circulation systems (up to 35 mPa) and ZG 102-35 drilling manifolds
• Harsh onshore drilling environments with dust, mud exposure, extreme vibration, and temperature fluctuations

Maintenance & Service Recommendations

1. Inspect drawworks drive shafts and chains every 500 drilling hours for wear, slack, or corrosion; tighten chains or replace damaged shafts to maintain torque transfer.
2. Lubricate top drive bearings and gear assemblies per OEM specifications, replacing lubrication filters every 300 hours to prevent contamination-related failure.
3. Check mud hoses and manifold seals monthly for cracks, bulges, or leaks; replace worn hoses and seals immediately to avoid high-pressure fluid loss.
4. Test brake cylinder functionality quarterly, inspecting for hydraulic leaks and ensuring proper braking response for emergency rig stops.
5. Replace engine air, oil, and fuel filters at scheduled intervals to maintain G12V190PZL-1 engine performance and prevent premature wear.
6. Store rubber seals and hoses in a cool, dry, dark environment to prevent premature degradation; avoid exposure to oil, UV light, and extreme temperatures.
7. We supply the following spare parts:

№	Product Name	Technical description	Ed. Izm
	Spare parts for the JC70D drawworks for the ZJ70DS drilling rig (2002) (indivisible lot)
1	Main drive shaft assembly	106.16.37.00	set
2	Intermediate shaft assembly	106.16.40.00  (106.23.40.00)	set
3	Rotor drive shaft ZP-375 with sprocket		set
4	Friction reel for winch	JC-70	pc.
5	Gear oil pump for lubrication of winch SB100	ZX09	pc.
6	2-way tap of driller’s console		pc.
7	Water-pneumatic swivel	116.17.00	pc.
8	Drive chain, roller 32S-2, 10 meter		pc.
9	Drive chain, roller 32S-4, 10 meter		pc.
10	Drive chain, roller 24S-6, 10 meter		pc.
11	Drilling hose 4″x35 mPa 5 meter FIG-1003		pc.
12	Mud hose with thread 4”x35mPa -19m FIG-1003		pc.
	Spare parts for drilling rig ZJ70D(2010) ZJ70DB(2015)
13	Spline connection between electric motor and gearbox for JC-70DB winch		set
14	Spline connection between electric motor and gearbox for ZP-375 rotor		set
15	Spline connection between electric motor and pulley for pump F-1600		set
16	Gear oil pump	YB040013	pc.
17	Hydraulic pump Reхroth 10V	D-72150 Horb	pc.
18	plunger pump	YB05037	pc.
19	Axial piston pump	JGBOY-BL       YB040013	pc.
20	Sprocket Z=34, P=38.1 3-row	ZZ000004	pc.
21	Working brake cylinder (Support) for winch JC 70 DB	PS010000	pc.
22	Safety brake cylinder (Caliper) for winch JC 70 DB	PS020000	pc.
	Top drive DQ 70BS-JH (2015) (indivisible lot)
23	Thrust tapered roller bearing	W0106234 maх3	pc.
24	Thrust tapered roller bearing	W0106292	pc.
25	Cylindrical roller bearing	W0101100	pc.
26	Spherical Roller Bearing	W0102110	pc.
27	Cylindrical roller bearing	W0101220	pc.
28	Push Force Cylindrical Roller Bearing	W0103181	pc.
29	Push Force Cylindrical Roller Bearing	W0103260	pc.
30	Cylindrical roller bearing	W0101180	pc.
31	Rotating seal gland 180x210x15	М09180	pc.
32	Rotating seal gland 210x240x15	М09210	pc.
33	Mud pipe seal 127×95	NT75401030 810	pc.
34	Central pipe	NT754010308-VI	pc.
35	Sling 350 tons	W03350108	pc.
36	Pipe Clamp Jaw	Т7540205081	set
37	Carrier roller assembly	Т7503153201	pc.
38	Hydraulic pump unit	M2JA132 M6B B35 A37-F-R-O1-H-S-K	set
39	Hydraulic motor with gear	YBO3315+06	set
40	Bell-shaped casing	YB0701	pc.
41	coupling	YB0802	set
42	coupling	YB0803	set
43	Ice skating rink	YB0703	шт
44	Lubrication motor complete with gear pump	M2JA90L M6A+                                    HGP-3A-F 40R	set
45	Return oil filter	YQ0203160100	pc.
46	Return oil filter housing	YQ020316     01002	pc.
47	Transmission oil filter	YQ0103160	pc.
48	High pressure filter for hydraulic oil	YQ0102063	pc.
49	First drive gear	70010401	pc.
50	Second drive gear assembly	70010403	set
51	Second driven gear	700104013	pc.
52	Rotation Adapter Small Gear	Т75020106	pc.
53	Seal for main shaft (ø210×78)	Т7540104082	pc.
54	Seal for main shaft (ø210×164)	Т7540104060	pc.
55	Under the tight envelope there is a lower sealing sleeve (ø210×60)	700104311	pc.
56	Under the tight envelope there is a lower sealing sleeve (ø210×70)	700104312	pc.
57	Hydraulic cylinder for sling tilt assembly	DQ70BS-G   Z-03	set
58	Locking device assembly	DQ70BS-G   Z-04	set
59	Stopper die	T75020403	pc.
60	IBOP Management	DQ70BS-G   Z-06	set
61	plunger pump	YB05037   37cm3/r	pc.
62	Gear pump	HGP-3A-F 30R-2B	pc.
63	Gear pump	HGP-3A-F  40R	pc.
64	Drill Pipe Wedges 3 1/2″	Т75402051 01	set
65	Drill pipe wedges 5″	Т75402051 0А1	set
66	Pipe clamp pin	Т75402050 6	pc.
67	Hydraulic auxiliary valve block	YFT754BOOO	pc.
	Spare parts for swivel SL-450-5 (indivisible lot)
68	Main bearing 270x550x130 (19954EQ)	SL 000036	pc.
69	Upper bearing 200x310x70(2007140) GB/T-297	SL 000031	pc.
70	Lower bearing 240x360x56(32148) GB/T-283	SL 000039	pc.
71	Mud pipe cuff		pc.
72	Mud pipe assembly	104.05.30.00	set
73	Feeding tube	104.05.30.03	pc.
74	Spring O-ring (top) PD220x260x18 mm	HG4-692-67	pc.
75	Spring O-ring (bottom) PD250x290x18 mm	HG4-692-67	pc.
76	Gasket – washer	104.05.15-1	pc.
	Spare parts for swivel SL-225 (indivisible lot)
77	Main bearing 9019456Q	SL 225-29.00	pc.
78	Upper bearing 32040X2 (SL 000014)	GB/T-297-94	pc.
79	Lower bearing NU240 (SL 000018)	GB/T283-2007	pc.
	Spare parts for the ZP-375 rotor (indivisible lot)
80	Sprocket P=50, Z=19	ZP000012	pc.
81	Oil seal SG180x210x15	ZP030018	pc.
82	Oil seal SG180x220x18	SG180х220х18	pc.
83	Oil seal PG150x180x16	PG150х180х16	pc.
84	O-ring 1049.5×8.6	1049.5х8.6	pc.
85	O-ring 407×8.6	407х8.6	pc.
86	Gear wheel of a small umbrella	ZP030001	pc.
87	Stainless steel wire ø1.6	ZP000039	m
	Spare parts for the rotor ZP-275 (indivisible lot)
88	Input drive shaft assembly with sprocket Z=23 mm, P=50.8 mm with rubber rings, sevanite oil seal	KR 105.17.60.00 KR 105.17.02	pc.
	Spare parts for diesel engine “G12V190PZL-1” (indivisible lot)		pc.
89	Water cooling radiator	JC2112-1301-199-200	pc.
90	Step-down gearbox 1.53, 900 kV, 1500-1 (1275x1085x980)	JS-1200	pc.
91	Pneumatic starter (pneumatic motor)	12VB.46.120F	pc.
92	Pneumatic fuel pre-feed pump	12VB.54.00С	pc.
93	Pneumatic controlled valve “JDEC” G12V190PZL-1″	12VB.46.300.10	pc.
94	Pneumatic control valve “JDEC”G12V190PZL-1”		pc.
95	Oil controller bushing “JDEC” G12V190PZL-1″	Z12V.12.40.01	pc.
96	Spring “JDEC” G12V190PZL-1″	Z12V.12.12.14A	pc.
97	Washer “JDEC” G12V190PZL-1″	Z12V.12.01A	pc.
98	Installation automatic. brakes with low oil pressure	12VB.34.00А	pc.
99	Fuel pump regulator “JDEC”G12V190PZL-1”	Т300/750Z	pc.
100	Tachometer with sensor “JDEC” G12V190PZL-1″	12VB.32.00D	pc.
101	Water pump	12VB.22.00В	pc.
102	Fuel pump	ВН6Z140ZP	pc.
103	Fuel supply pump “JDEC” G12V190PZL-1″	YT 235.11.00	pc.
104	Pump (rotary) for fuel supply	12VB 11.00	pc.
105	Nozzle with sprayer assembly	12 VВ.16.20E	pc.
106	Oil filter	12 VB.18.10B	pc.
107	Fuel filter	12 V.10.30.03	pc.
108	Air filter (upper)	12 V.36M.40	pc.
109	Air filter (lower)	12 V.36M.50	pc.
110	Cardan clutch assembly	W51.5×870	pc.
111	Turbocharger	J170-1 20GJ.00E	pc.
112	Cylinder head gasket (sealing ring II)	12VB.03.12A	pc.
113	Clutch plunger with fuel pump spring	Z12V.12.20	pc.
114	Clutch plunger with fuel pump spring	Z12V.12.30	pc.
115	Super speed safety assembly	12VB.37.00	set
116	Plunger pair complete with spring		set
	Drilling rig ZJ-30T. Spare parts for winch JS-30OC (indivisible lot)
117	JC-30 winch lift shaft	ZJ-30T	pc.
118	Auxiliary winch XJFH-5×35	JC-30	pc.
119	Combined transfer case for power system	DL 050000	pc.
120	Oil pump assembly for gearbox “Allison-S5610NR”	6880125	pc.
121	Hydraulic pump NSh with power take-off assembly	ZJ-30T	set
122	Drive chain, roller 44.45 mm 10 meter	28S-2	set
123	Mud hose 4″x35 Mra 17 meter FIG-1003		pc.
124	Connecting cylinder W31-20-901DDW1057 4100100 20 90	ZJ-30T,XJ-750	pc.
	Spare parts for lifting unit XJ-750 (indivisible lot)
125	Oil pump for Allison-M5620R gearbox	6880125	pc.
126	Hydraulic cylinder for mast lifting XJ-750	YGQB-262/1900	pc.
127	Hydraulic pump “PARKER” PMD Çhemnitz Germany Part (НШ-XJ-750)	7049112042	pc.
128	Drilling hose 4″x35 mPa 17 meter with thread FIG-1003		pc.
	Spare parts for the circulation system
129	Gate valve DN 100 PN 2.5 mPa		pc.
130	Damping gelatin ring DN80 (element)		pc.
131	Damping gelatin ring DN100 (element)		pc.
132	Damping gelatin ring DN150 (element)		pc.
133	Damping gelatin ring DN200 (element)		pc.
134	Damping gelatin ring DN250 (element)		pc.
135	Damping gelatin ring DN300 (element)		pc.
136	Connection seal drill. manifold ZG-100×35 mPa	GK 010022	pc.
137	Mixer HMG-80 with gearbox, without electric motor	GK 010100	set
138	Mixing device 11kW, without electric motor	JQ110000	pc.
	Spare parts for high pressure drilling manifold ZG 102-35
253	High pressure valve 2” x35 mPa FIG -1002	JC 150000	pc.
254	High pressure valve 3” x35 MPa FIG-1003	JC 020000	pc.
255	High pressure valve 4” x35 mPa FIG -1003	JC 100000	pc.
	Spare parts for the Sullair compressor (indivisible lot)
256	Oil filter	02250054-605	pc.
257	Water separating filter	02250100-753	pc.
258	Air filter	12Р/N 049301	pc.
259	Dryer “SULLAIR” pneumatic air system	QK 000000» 50Н(37 кВ)	pc.

Field Failure Repair Case Studies

Case 1: JC70D Drawworks Intermediate Shaft Failure

A ZJ70DB rig experienced catastrophic drawworks failure due to a worn intermediate shaft assembly, halting drilling operations. Installing a new OEM-matched intermediate shaft (106.16.40.00) restored torque transfer and drawworks functionality, getting the rig back online within 8 hours.

Case 2: DQ70BS-JH Top Drive Bearing Seizure

Seized tapered roller bearings in a DQ70BS-JH top drive caused rotation failure and mud intrusion. Replacing worn thrust bearings (W0106234) and rotary seals (М09180) eliminated friction and mud leakage, restoring full top drive rotation capability.

Case 3: High-Pressure Mud Hose Rupture

A degraded 4” mud hose (FIG-1003) ruptured during circulation, causing mud loss and rig shutdown. Fitting a new reinforced 35 mPa mud hose restored leak-free circulation, preventing further operational delays.

Frequently Asked Questions (FAQ)

Question	Answer
Are these parts compatible with both legacy and modern JC70D rigs?	Yes, these spare parts fit 2002 ZJ70DS, 2010 ZJ70D, and 2015 ZJ70DB rigs with JC70D drawworks, with OEM part number matching for true drop-in installation.
What pressure rating do the mud hoses and manifold valves support?	All mud hoses and high-pressure valves are rated for 35 mPa working pressure, compliant with FIG-1002/1003 standards for drilling mud circulation systems.
Do these parts meet API drilling equipment standards?	Yes, all structural and pressure-containing components meet API 7K and API 5D standards, with material certifications to match OEM drilling rig requirements.

Procurement Guidance

For drilling teams operating JC70D, ZJ70D/DB, and DQ70BS-JH rig fleets, this catalog is your definitive sourcing solution for high-quality, OEM-matched spare parts. It provides full transparency on part names, technical specifications, OEM part numbers, quantity requirements, and compatibility details, serving as both a formal procurement compliance standard and a practical field troubleshooting reference. Whether you need emergency drawworks shafts for sudden failures, top drive bearings for routine overhauls, high-pressure mud hoses for circulation repairs, or engine filters for preventive maintenance, every part is engineered to resolve common JC70D rig failures and deliver long-lasting performance in harsh drilling conditions. Submit your detailed inquiry with specific OEM part numbers, required quantities, and rig model details to secure precision-matched components tailored to your drilling rig needs.