Home / Products / Rock Drill / Montabert
FEATURES
Item |
Specification |
Full Equipment Name |
HC50 Hydraulic Rock Drill |
Equipment Type |
Heavy High-frequency Hydraulic Drifter |
Applicable Working Scenarios |
Underground tunneling, excavation, bolting, blasting hole drilling, continuous mining |
Overall Weight |
103–122 kg |
Overall Length (Without Shank) |
825–848 mm |
Rated Impact Power |
7–13 kW |
High-frequency Impact Rate |
40–62.5 Hz |
Standard Rated Working Oil Pressure |
230 bar |
Standard Drilling Diameter Range |
45–76 mm |
Independent Rotary Motor Speed Range |
0–340 rpm, adjustable, forward & reverse |
Maximum Output Rotary Torque |
820–1000 Nm |
Core Structural Configuration |
Modular integrated body, high wear-resistant hydraulic system, easy maintenance |
Adapted Drill Rod Specification |
H25F, R32F, R32M, R38M, T38M |
Core Advantage |
Automatic frequency conversion, hydraulic buffer piston, high reliability |
HC50 Hydraulic Seal Drill Kit Components
Schematic Diagram

Additional Notes
This kit is specifically designed for the RD18U hydraulic rock drill. The kit contains a total of 100+ accessories, with the detailed breakdown as follows:
CPN |
Qty |
English Name |
Remark |
86343290 |
1 |
Cover |
Rear Cover |
86363595 |
1 |
O'ring |
O-Ring |
86343282 |
1 |
Push rod |
Push Rod |
86343274 |
1 |
Push rod liner |
Push Rod Liner |
86333879 |
1 |
Valve |
Control Valve |
86343217 |
1 |
Distribution cover |
Distribution Cover |
86343225 |
1 |
Distribution box |
Distribution Box |
86333861 |
1 |
Distributor |
Distribution Piston |
86333846 |
1 |
Thrust piston "E" |
Thrust Piston, Type E |
86318516 |
1 |
Pin |
Locating Pin |
86325032 |
1 |
Cylinder |
Rear Cylinder Liner |
86265071 |
2 |
O'ring |
O-Ring |
N/A |
1 |
Energy chamber including: |
Energy Chamber Including |
86374014 |
1 |
Body |
Cylinder Body |
86374055 |
2 |
Cover |
Accumulator Cover |
86376191 |
2 |
O'ring |
O-Ring |
86633963 |
2 |
Diaphragm kit including: |
Diaphragm Kit Including |
86241506 |
1 |
-BS ring |
BS Ring |
86265048 |
1 |
-Inflating screw |
Inflation Valve |
86334034 |
4 |
Assembling screw (rear) |
Rear Mounting Screw |
86333838 |
1 |
Striking piston |
Impact Piston |
86334299 |
1 |
Down cylinder |
Front Cylinder Liner |
86386794 |
1 |
Motor body |
Motor Housing |
86223476 |
1 |
Spring |
Spring |
86223419 |
1 |
Pin |
Locating Pin |
86322518 |
3 |
Valve |
Check Valve |
86570447 |
1 |
Tight seal |
Fastening Seal |
86238201 |
2 |
O'ring |
O-Ring |
86292786 |
1 |
O'ring |
O-Ring |
86249265 |
1 |
Plastic plug |
Plastic Plug |
86313053 |
1 |
Cover |
Motor Cover |
86222668 |
1 |
O'ring |
O-Ring |
86344116 |
1 |
Bearing holder plate |
Bearing Support Plate |
86223559 |
1 |
Ball bearing |
Ball Bearing |
86344199 |
2 |
Distribution plate |
Distribution Plate |
86261344 |
2 |
O'ring |
O-Ring |
86642311 |
1 |
Cartridge (type 055) |
Motor Cartridge (Type 055) |
86318516 |
2 |
Pin |
Locating Pin |
86221918 |
2 |
O'ring |
O-Ring |
86334109 |
1 |
Thrust lining |
Buffer Piston Sleeve |
86238201 |
2 |
O'ring |
O-Ring |
86300936 |
2 |
Rod joint |
Combined Seal |
86334117 |
1 |
Hydraulic stop piston |
Buffer Piston |
86334174 |
2 |
Lip seal |
Lip Seal |
86386216 |
1 |
Complete housing including |
Gearbox Assembly Including |
86264678 |
2 |
Heico thread unf 3/4" |
Helicoil Insert UNF 3/4" |
86292786 |
2 |
O'ring |
O-Ring |
86570447 |
9 |
Tight seal |
Fastening Seal |
86323763 |
1 |
Snap ring |
Snap Ring |
86334133 |
1 |
Centering part |
Centering Ring |
86334125 |
1 |
Shank thrust |
Shank Sleeve |
86323771 |
2 |
Tight ring |
Bushing |
86327066 |
6 |
O'ring |
O-Ring |
86323797 |
2 |
Tight ring |
Bushing |
86323789 |
1 |
Tight ring |
Bushing |
863623805 |
1 |
Seal holder ring |
Seal Retainer |
86322278 |
2 |
Lip seal |
Lip Seal |
86323813 |
1 |
Shouldered ring including: |
Shouldered Ring Including |
86322252 |
1 |
Self lubricating ring |
Self-Lubricating Bushing |
86322260 |
2 |
Needle bearing |
Needle Bearing |
86323953 |
1 |
Gear driving shaft |
Drive Shaft |
13900717 |
1 |
Ball bearing |
Ball Bearing |
86334141 |
1 |
Gear driving including: |
Rotating Gear Including |
86605920 |
1 |
Spline shank |
Spline Shank |
86250107 |
2 |
Needle bearing |
Needle Bearing |
86334307 |
1 |
Thrust washer |
Thrust Washer |
86288131 |
1 |
BS ring |
BS Ring |
86366259 |
1 |
Slider |
Spool |
86366242 |
1 |
Lining |
Valve Seat |
86366283 |
1 |
Spring |
Spring |
86234994 |
1 |
O'ring |
O-Ring |
86234853 |
1 |
O'ring |
O-Ring |
86312196 |
X |
Adjusting shim |
Adjusting Shim |
86334166 |
1 |
Flange including: |
Gearbox Flange Including |
86256005 |
2 |
Helicoil thread UNF1" |
Helicoil Insert UNF 1" |
86288222 |
1 |
O'ring |
O-Ring |
86655354 |
1 |
Oiler |
Grease Fitting |
86570447 |
1 |
Tight seal |
Fastening Ring |
95340659 |
4 |
Assembling screw |
Mounting Bolt |
86341344 |
1 |
Front guide including: |
Front Head Including |
86227931 |
1 |
Basticpin |
Elastic Pin |
86750866 |
1 |
Guiding ring |
Guide Ring |
86220480 |
1 |
Spring |
Spring |
86375870 |
1 |
Ball |
Steel Ball |
86578671 |
1 |
Seal |
Rubber Plug |
86570447 |
1 |
Tight seal |
Fastening Seal |
86288222 |
1 |
O'ring |
O-Ring |
86307162 |
1 |
Lip seal |
Lip Seal |
86607355 |
2 |
UNF1" hex. Screw |
Hex Bolt UNF 1" |
86334216 |
1 |
Retainer chuck |
Shank Chuck |
86307162 |
2 |
Lip seal |
Lip Seal |
86334240 |
1 |
Shield |
Shank Protector |
86619558 |
1 |
Male shank R 38 |
Male Shank R38 |
86751849 |
1 |
Control gauge kit |
Control Gauge Kit |
95219747 |
1 |
Adapter (P2) |
For Water Flushing Model |
86321056 |
1 |
Adapter (Flushing) |
Flushing Adapter |
95219762 |
1 |
Adapter (Return) |
Return Adapter |
86257979 |
4 |
Adapter (P1A-P1R-Drain-Pressurization) |
Adapter (P1A-P1R Drain & Pressurization) |
86374964 |
1 |
Oil restrictor including: |
Oil Restrictor Including |
86374972 |
1 |
Self lubricating ring |
Self-Lubricating Bushing |
86322260 |
2 |
Needle bearing |
Needle Bearing |
86331105 |
2 |
UNF 3/4" hex. screw |
Hex Bolt UNF 3/4" |
86227931 |
1 |
Basticpin |
Elastic Pin |
86750866 |
1 |
Guiding ring |
Guide Ring |
86220480 |
1 |
Spring |
Spring |
86375870 |
1 |
Ball |
Steel Ball |
86578671 |
1 |
Seal |
Rubber Plug |
86570447 |
1 |
Tight seal |
Fastening Seal |
86288222 |
1 |
O'ring |
O-Ring |
86307162 |
1 |
Lip seal |
Lip Seal |
86607355 |
2 |
UNF1" hex. Screw |
Hex Bolt UNF 1" |
86731312 |
1 |
Seals kit including: |
Seal Kit Including All marked parts |
All parts are complete and fully compatible, enabling one-stop full overhaul and replacement for the sealing system, transmission system and percussion system of this rock drill.