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2657922023 Rotary Head, High Speed, Lube (2657 9220 23)
2657922023 is a high-speed lubricated rotary head assembly used on Epiroc / Atlas Copco surface drilling rigs. This rotary head transfers drive power to the spindle, supports controlled high-speed rotation and ensures stable torque transmission during drilling operations.
The assembly includes the spindle final drive, housings, bearings, gears, hydraulic motors, lubrication pump, filter elements, hoses, fittings and guide components required for reliable operation of the rotation unit under demanding field conditions.
This rotary head configuration is associated with the DM45/HP drilling rig platform and related surface drilling applications.
Spare parts for Rotary Head 2657922023
Below is the parts list for the 2657922023 rotary head assembly, including the complete unit, major internal assemblies and individual service components used in the rotary head, lubrication circuit and related support systems.
| Item | Part No. | Alt No. | Name | Qty |
|---|---|---|---|---|
| COMPLETE ASSEMBLY | 2657922023 | 2657 9220 23 | ROTARYHEAD,HI SPD,LUBE | 1 |
| 001.0 | 2657546343 | 2657 5463 43 | SPINDLE - FINAL DRIVE | 1 |
| 002.0 | 2657578023 | 2657 5780 23 | HOUSING,LOWER SEAL | 1 |
| 002.1 | 2652245479 | 2652 2454 79 | HOUSING | 1 |
| 003.0 | 2652146784 | 2652 1467 84 | SEAL,OIL | 2 |
| 004.0 | 2695434551 | 2695 4345 51 | BEARING,ROLLER | 1 |
| 005.0 | 2695919585 | 2695 9195 85 | CAPSCREW | 14 |
| 007.0 | 2695279543 | 2695 2795 43 | FITTING,HYD | 1 |
| 008.0 | 2657896250 | 2657 8962 50 | HOUSING,MACHINED R.HEAD | 1 |
| 009.0 | 2695919866 | 2695 9198 66 | CAPSCREW | 4 |
| 010.0 | 2657546301 | 2657 5463 01 | GEAR, OUTPUT | 1 |
| 011.0 | 2657546327 | 2657 5463 27 | KEY, CUSTOM | 1 |
| 012.0 | 2695086724 | 2695 0867 24 | O'RING | 2 |
| 013.0 | 2656951700 | 2656 9517 00 | TUBE | 4 |
| 015.0 | 2658317585 | 2658 3175 85 | CAP,BEARING PORT | 2 |
| 015.1 | 2695343596 | 2695 3435 96 | PLUG,HEX HEAD,O-RING | 2 |
| 016.0 | 2695214037 | 2695 2140 37 | BEARING | 2 |
| 017.0 | 2657191017 | 2657 1910 17 | SHAFT, INTERMEDIATE | 2 |
| 018.0 | 2658539383 | 2658 5393 83 | PLUG, MAGNETIC, 1/8 NPT | 1 |
| 019.0 | 2657159139 | 2657 1591 39 | KEY, INTERMEDIATE SHAFT | 2 |
| 020.0 | 2657159113 | 2657 1591 13 | GEAR, INTERMEDIATE | 2 |
| 021.0 | 2657170110 | 2657 1701 10 | PINION, INPUT | 1 |
| 022.0 | 2659596051 | 2659 5960 51 | BEARING BALL | 2 |
| 023.0 | 2657159121 | 2657 1591 21 | SPACER,INTERMEDIATEGEAR | 2 |
| 024.0 | 2657954414 | 2657 9544 14 | LOCKNUT, BEARING | 1 |
| 025.0 | 2695270815 | 2695 2708 15 | CAPSCREW | 6 |
| 026.0 | 2657799710 | 2657 7997 10 | ADAPTER,MOTOR-LUBE PUMP | 2 |
| 027.0 | 2695711156 | 2695 7111 56 | BEARING,SPHERICAL,ROLLER | 2 |
| 028.0 | 2658607584 | 2658 6075 84 | MOTOR,M6,SPLINE | 1 |
| 028.1 | 2654472170 | 2654 4721 70 | KIT,RETAINING RING | 1 |
| 028.2 | 2654472147 | 2654 4721 47 | KIT,SEAL M6F | 1 |
| 028.3 | 2658367491 | 2658 3674 91 | KIT, SEAL SHAFT | 1 |
| 031.0 | 2657954448 | 2657 9544 48 | WASHER,LOCK, TONGUED | 1 |
| 032.0 | 2652248150 | 2652 2481 50 | HOUSING,UPPER SEAL | 1 |
| 032.1 | 2652248168 | 2652 2481 68 | HSG,UP.SEAL (RAW CAST) | 1 |
| 032.2 | 2695754867 | 2695 7548 67 | FITTING,HYD | 2 |
| 033.0 | 2695434569 | 2695 4345 69 | BEARING,ROLLER | 1 |
| 034.0 | 2658229915 | 2658 2299 15 | SEAL,OIL | 1 |
| 035.0 | 2652164282 | 2652 1642 82 | SEAL, OIL | 1 |
| 036.0 | 2650822097 | 2650 8220 97 | SLEEVE, WEAR | 1 |
| 037.0 | 2652248176 | 2652 2481 76 | SWIVEL | 1 |
| 037.1 | 2652248184 | 2652 2481 84 | SWIVEL | 1 |
| 038.0 | 2652187804 | 2652 1878 04 | SLINGER | 1 |
| 039.0 | 2657347379 | 2657 3473 79 | CAP, SPINDLE-SPUR HEAD | 1 |
| 040.0 | 2657371163 | 2657 3711 63 | SPACER, SWIVEL PACKING | 1 |
| 041.0 | 2695055232 | 2695 0552 32 | CAPSCREW,HEX SOCKETHEAD | 4 |
| 042.0 | 2650610971 | 2650 6109 71 | RING, THREADED | 1 |
| 043.0 | 2650694876 | 2650 6948 76 | PACKING,SWIVEL | 1 |
| 043.1 | 2657336067 | 2657 3360 67 | PACKING,SWIVEL-30XV | 2 |
| 043.2 | 2650694934 | 2650 6949 34 | BUSHING,WEAR | 1 |
| 045.0 | 2695919551 | 2695 9195 51 | CAPSCREW | 1 |
| 046.0 | 2652210317 | 2652 2103 17 | SHIM SET | 1 |
| 047.0 | 2657363822 | 2657 3638 22 | BEARING, BALL | 2 |
| 049.0 | 2657243719 | 2657 2437 19 | SHIM, POWERHEAD-SPURGEAR | 2 |
| 050.0 | 2657183329 | 2657 1833 29 | CAP,SWIVEL | 1 |
| 051.0 | 2695919601 | 2695 9196 01 | CAPSCREW | 13 |
| 052.0 | 2657149080 | 2657 1490 80 | SHIM | 12 |
| 053.0 | 2657386427 | 2657 3864 27 | GUIDE,BLOCK-LONG R.H. | 8 |
| 054.0 | 2650624709 | 2650 6247 09 | SHIM, GUIDE | 24 |
| 055.0 | 2657376832 | 2657 3768 32 | GUIDE SLIDE - R.H. | 4 |
| 056.0 | 2695775623 | 2695 7756 23 | FITTING, HYD | 2 |
| 057.0 | 2695935003 | 2695 9350 03 | WASHER,FLAT, 1/2 | 69 |
| 058.0 | 2695442646 | 2695 4426 46 | CAPSCREW,SOCKET FLAT | 16 |
| 059.0 | 2650344605 | 2650 3446 05 | WIRE,LOCK | 18 FT |
| 060.0 | 2657810400 | 2657 8104 00 | PINION,INPUT-MODIFIED | 1 |
| 060.1 | 2657170110 | 2657 1701 10 | PINION, INPUT | 1 |
| 061.0 | 2658537878 | 2658 5378 78 | PUMP,SELF REVERSING-LUBE | 1 |
| 063.0 | 2658537885 | 2658 5378 85 | MOUNT, PUMP-LUBE | 1 |
| 065.0 | 2657883332 | 2657 8833 32 | GUIDE SLIDE,ROTARY HEAD | 4 |
| 066.0 | 2695157731 | 2695 1577 31 | CAPSCREW,HEX HEAD | 32 |
| 067.0 | 2695920948 | 2695 9209 48 | CAPSCREW | 1 |
| 069.0 | 2695229142 | 2695 2291 42 | PLUG,1/8 NPT | 2 |
| 071.0 | 2695919569 | 2695 9195 69 | CAPSCREW | 10 |
| 075.0 | 2695920526 | 2695 9205 26 | CAPSCREW,HEX | 4 |
| 077.0 | 2695343596 | 2695 3435 96 | PLUG,HEX HEAD,O-RING | 7 |
| 079.0 | 2657496135 | 2657 4961 35 | HOSE ASSEMBLY | 1 |
| 080.0 | 2695372173 | 2695 3721 73 | FITTING,HYD | 3 |
| 082.0 | 2656956899 | 2656 9568 99 | HOSE ASSEMBLY | 1 |
| 083.0 | 2657801730 | 2657 8017 30 | FILTER,SUCTION-LUBE PUMP | 1 |
| 084.0 | 2695403309 | 2695 4033 09 | TEE,NPT/JIC | 1 |
| 085.0 | 2695315214 | 2695 3152 14 | NIPPLE,NPTF DRYSEAL | 1 |
| 086.0 | 2650829605 | 2650 8296 05 | VALVE,BALL-1/2 | 1 |
| 087.0 | 2695219721 | 2695 2197 21 | CONNECTOR,MALE,37 DEG. | 1 |
| 088.0 | 2695246724 | 2695 2467 24 | FITTING,RELIEF,HYD | 1 |
| 089.0 | 2695387890 | 2695 3878 90 | CAP,JIC-12 | 1 |
| 090.0 | 2657968968 | 2657 9689 68 | FILTER ASSY,LUBE OIL | 1 |
| 090.1 | 2658456181 | 2658 4561 81 | ELEMENT | 1 |
| 091.0 | 2658456174 | 2658 4561 74 | BRACKET, LUBE FILTER | 1 |
| 092.0 | 2695330692 | 2695 3306 92 | ELBOW,90 DEG STRT THRD | 2 |
| 096.0 | 2695919213 | 2695 9192 13 | CAPSCREW | 4 |
| 098.0 | 2652253176 | 2652 2531 76 | GAUGE,SIGHT | 1 |
| 099.0 | 2695040952 | 2695 0409 52 | ELBOW,STREET,90DEG | 1 |
| 100.0 | 2695935037 | 2695 9350 37 | WASHER | 4 |
| 101.0 | 2695257325 | 2695 2573 25 | CAP,37 DEG FLARED | 1 |
| 107.0 | 2695652970 | 2695 6529 70 | FITTING HYD | 1 |
| 125.0 | 2658450980 | 2658 4509 80 | PLUG,MAGNETIC,SAE-8,ORB | 2 |
| 126.0 | 2657191033 | 2657 1910 33 | PLATE, END | 2 |
| 127.0 | 2650344605 | 2650 3446 05 | WIRE,LOCK | 2 FT |
| 128.0 | 2658366210 | 2658 3662 10 | CAPSCREW,HEX HEAD | 6 |
| 129.0 | 2657568487 | 2657 5684 87 | VALVE,RELIEF (ATM) | 2 |
| 131.0 | 2657328676 | 2657 3286 76 | FITTING,TEST | 1 |
| 132.0 | 2657174070 | 2657 1740 70 | FITTING,L90,20OFS X20SAE | 4 |
| 133.0 | 2657167934 | 2657 1679 34 | FITTING,L90-120FSX12SAE | 1 |
| 134.0 | 2695286910 | 2695 2869 10 | ELBOW,90 DEG MALE | 1 |
| 135.0 | 2656999113 | 2656 9991 13 | HOSE ASSEMBLY | 1 |
| 136.0 | 2695279147 | 2695 2791 47 | FITTING,HYD | 1 |
| 137.0 | 2657559577 | 2657 5595 77 | BRACKET-HOSE,ROTARY HEAD | 1 |
| 138.0 | 2650023910 | 2650 0239 10 | STEM | 1 |
| 139.0 | 2657966871 | 2657 9668 71 | BRACKET, HOSE | 1 |
| 140.0 | 2657786782 | 2657 7867 82 | HOSE,ASSEMBLY,ARCTIC | 1 |
| 142.0 | 2657308983 | 2657 3089 83 | FITTING,RNT,20OFS X20SAE | 2 |
| 143.0 | 2695086567 | 2695 0865 67 | O'RING | 4 |
| 144.0 | 2695650149 | 2695 6501 49 | REDUCER,EXPANDER | 1 |
| 145.0 | 2657209728 | 2657 2097 28 | FITTING,RNT,12OFS X12SAE | 1 |
| 146.0 | 2657167942 | 2657 1679 42 | FITTING,STR,12OFS X12SAE | 1 |
| 147.0 | 2657786790 | 2657 7867 90 | HOSE,ASSEMBLY,ARCTIC | 1 |
| 148.0 | 2658317601 | 2658 3176 01 | HOSE,ASSEMBLY | 1 |
| 149.0 | 2658258457 | 2658 2584 57 | HOSE,ASSEMBLY | 1 |
| 150.0 | 2658258481 | 2658 2584 81 | HOSE,ASSEMBLY | 1 |
| 151.0 | 2658258473 | 2658 2584 73 | HOSE,ASSEMBLY | 1 |
| 152.0 | 2695013702 | 2695 0137 02 | CAPSCREW,HEX SOCKET HEAD | 16 |
| 154.0 | 2695086625 | 2695 0866 25 | O-RING | 1 |
| 155.0 | 2657213936 | 2657 2139 36 | BLOCK,FLANGE | 4 |
| 156.0 | 2695097929 | 2695 0979 29 | O-RING | 2 |
| 158.0 | 2658380532 | 2658 3805 32 | SCREW, CAP-3/4-10 X1-1/2 | 6 |
| 160.0 | 2658607591 | 2658 6075 91 | MOTOR,M6,SPLINE | 1 |
| 160.1 | 2654416946 | 2654 4169 46 | KIT,RETAINING RING | 1 |
| 160.2 | 2652154515 | 2652 1545 15 | SEAL,SHAFT | 1 |
| 160.3 | 2657630998 | 2657 6309 98 | KIT,SEAL ROT.MOTOR | 0 |
| 160.4 | 2658367372 | 2658 3673 72 | SEAL KIT,COMPLETE | 1 |
| 160.5 | 2654580428 | 2654 5804 28 | KIT,SEAL,CONTROLLER | 1 |
| 160.6 | 2657089039 | 2657 0890 39 | SHAFT,SEAL | 1 |
| 161.0 | 2657167298 | 2657 1672 98 | VALVE, MOTOR CONTROL | 1 |
| 162.0 | 2695920583 | 2695 9205 83 | CAPSCREW,HEX HEAD | 3 |
| 164.0 | 2657319618 | 2657 3196 18 | FITTING,STR,06OFS X06SAE | 1 |
| 165.0 | 2657308686 | 2657 3086 86 | FITTING,L90,06OFS X08SAE | 1 |
| 166.0 | 2657786733 | 2657 7867 33 | HOSE,ASSEMBLY,ARCTIC | 1 |
| 172.0 | 2695931648 | 2695 9316 48 | CAPSCREW 1/2-13 X 1/2 | 2 |
| 174.0 | 2657546319 | 2657 5463 19 | SPACER, FINAL DRIVE | 2 |
| 175.0 | 2657546384 | 2657 5463 84 | SHIM, FINAL DRIVE | 1 |
| 176.0 | 2657546335 | 2657 5463 35 | COLLAR, RETAINING | 1 |
| 177.0 | 2657562829 | 2657 5628 29 | SHIM, FINAL DRIVE | 4 |
| 178.0 | 2695920484 | 2695 9204 84 | CAPSCREW | 2 |
| 180.0 | 2695943718 | 2695 9437 18 | NUT,HEX-LOCK,5/16-18 | 2 |
| 201.0 | 2658366308 | 2658 3663 08 | CAPSCREW,HEX HEAD | 12 |
| 202.0 | 2657412215 | 2657 4122 15 | HOSE ASSEMBLY | 1 |
| 204.0 | 2695644209 | 2695 6442 09 | FITTING,O-RING BOSS REDU | 2 |
| 209.0 | 2695416731 | 2695 4167 31 | NUT,SWIVEL TEE | 1 |
| 210.0 | 2658366294 | 2658 3662 94 | CAPSCREW,HEX HEAD | 8 |
| 213.0 | 2695642484 | 2695 6424 84 | FITTING HYD | 1 |
| 220.0 | 2695934998 | 2695 9349 98 | WASHER,FLAT, 5/16 | 7 |
| 221.0 | 2657412215 | 2657 4122 15 | HOSE ASSEMBLY | 1 |
| 222.0 | 2658540615 | 2658 5406 15 | HOSE ASSEMBLY | 1 |
| 223.0 | 2657496135 | 2657 4961 35 | HOSE ASSEMBLY | 1 |
| 224.0 | 2658314209 | 2658 3142 09 | PLUG | 1 |
| 224.1 | 2695437349 | 2695 4373 49 | PLUG, PIPE-2 HEX HEAD | 1 |
| 226.0 | 2695303368 | 2695 3033 68 | CONNECTOR,STRT THRD | 1 |
| 227.0 | 2658507463 | 2658 5074 63 | CHECK VALVE, 10PSI | 1 |
| 228.0 | 2695480109 | 2695 4801 09 | FITTING, HYD-90DEGO-RING | 2 |
| 229.0 | 2657358145 | 2657 3581 45 | CABLE, HOSE RESTRAINT | 2 |
Spindle Clamp 2657762528 (2657 7625 28)
The spindle clamp is a sub-assembly used within rotary head 2657922023 to secure and support the spindle interface during drilling. It includes the clamp halves and fastening hardware required for reliable spindle retention.
| Item | Part No. | Alt No. | Name | Qty |
|---|---|---|---|---|
| COMPLETE ASSEMBLY | 2657762528 | 2657 7625 28 | SPINDLECLAMP | 1 |
| 1 | 2657762536 | 2657 7625 36 | CLAMP | 2 |
| 2 | 2695055281 | 2695 0552 81 | CAPSCREW,HEXSOCKETHEAD | 2 |
| 3 | 2695923322 | 2695 9233 22 | NUT,ELASTICLOCK | 2 |
Support and supply
Rotary head 2657922023 and related gearbox components are in stock for fast dispatch.
Contact our specialists for part identification, compatibility verification and technical support. We supply rotary heads, lubrication system components and matching rotation unit parts for surface drilling rigs, and can help you select the correct configuration for your machine.