Caterpillarwork toolhammer
Caterpillar H50
Maintenance schedule, common problems & OEM parts breakdown
The Cat H50 is a top-mount hydraulic hammer (breaker) attachment, not a standalone machine. It carries no engine, transmission, or undercarriage of its own and runs off the carrier's auxiliary hydraulic circuit. It belongs to Caterpillar's original H-series hammer line spanning H45 through H180, sized for carriers in the 2,500-4,500 kg (5,500-9,900 lb) operating weight class: mini excavators and skid steer/multi-terrain loaders in roughly the 3-6 ton range. Tool diameter is 50 mm and certified impact energy is 198 J, placing it among the smaller working-tool sizes in that H-series lineup, just above the entry-level H45 class. Caterpillar offered it in two housing configurations sharing the same impact mechanism: the standard H50 and the fully enclosed, sound-suppressed H50S for noise-restricted job sites. Production falls within Caterpillar's original H-series era, roughly the 1990s through the mid-2000s, before Caterpillar replaced the model with the next-generation H55D and sound-suppressed H55Ds hammers.
Caterpillar's replacement, the H55Ds, kept the same carrier class and mounting footprint but cut the parts count nearly in half versus the H50s, added roughly 25 percent more impact power, and raised blow rate for faster cycle times. Cat carried those design changes forward into the later H55Es and current H55s generations, none of which share direct parts interchange with the original H50/H50S internals. That gap is what keeps the H50 relevant on the used and parts market. Plenty of small mini excavators and skid steers from the H50's production era are still working, and their owners need tool bits, bushings, seal kits, and gas-charge service rather than a full attachment swap. Because the model is out of current production, sourcing depends on remanufactured or take-off wear parts and a shop still stocking the older seal and bushing kit rather than a standard dealer counter order.
Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.
Caterpillar H50 specifications
Weights
| Operating weight, standard (flat top) | 200 kg (440 lb) — includes hammer, standard tool and average mounting bracket |
| Operating weight, sound-suppressed (H50s) | 220 kg (485 lb) — includes hammer, standard tool and average mounting bracket |
| Shipping weight | Not published separately from operating weight in factory literature |
Dimensions
| Overall width with mounting bracket, standard (flat top) | 340 mm (13.4 in) |
| Overall width with mounting bracket, sound-suppressed (H50s) | 440 mm (17.3 in) |
| Housing width, standard | 280 mm (11.0 in) |
| Housing width, sound-suppressed (H50s) | 316 mm (12.4 in) |
| Hammer (housing/side plate) length, standard | 925 mm (36.4 in) |
| Hammer (housing/side plate) length, sound-suppressed (H50s) | 918 mm (36.1 in) |
| Tool diameter | 50 mm (2.0 in), same for standard and sound-suppressed |
| Tool length (typical, standard tool) | Approx. 261-262 mm (10.3 in); actual length varies by tool type (moil, chisel, spade) |
Performance
| Impact frequency (blow rate) | Approx. 450-2,000 bpm — factory literature varies by catalog edition (450-1,800 bpm in skid steer-specific sheet vs. 460-2,000 bpm in general hammer catalog) |
| Certified impact energy | 198 J, as certified per CIMA-MBMB (Mounted Breaker Manufacturers Bureau) test method |
| Energy class (nominal rating) | 542 J (400 ft-lb) energy class as listed in general hammer catalog — a nominal classification figure, distinct from the certified impact energy value above |
| Recommended/required carrier operating weight | 2,500-4,500 kg (5,500-9,900 lb) |
| Required hydraulic oil flow | 20-70 L/min (5.2-18 US gal/min) |
| Required operating pressure | Approx. 10,500-12,000 kPa (1,520-1,740 psi) — value varies by catalog edition/production era; approximate pressure at maximum flow and back pressure |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
H50 fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Hydraulic oil (tool circuit, supplied by host carrier) | Not applicable to the tool - the H50 has no dedicated reservoir. It runs on the carrier excavator's own hydraulic tank; check the carrier OMM for that tank's fill capacity. | Cat HYDO Advanced 10, 30, 46, or 68 (or Cat BIO HYDO Advanced for biodegradable-fluid applications), viscosity grade selected per ambient temperature the same way as the carrier's main hydraulic system. Machines fitted with a hydraulic hammer should not run SAE 0W or 5W multigrade hydraulic oils. Keep hydraulic oil at an ISO 4406 cleanliness of 18/15 or cleaner - filter fill oil and any oil returned to service to this level before it reaches the hammer. |
| Grease - tool bushings and front-head bit retention (spec only, no reservoir) | Not applicable - grease is hand- or auto-lube-applied at each fitting, no fill capacity. Manual greasing is roughly 10 to 15 gun strokes per point until fresh paste purges from between the bushing and tool. | Cat Hydraulic Hammer Paste: a copper-and-graphite fortified, NLGI 2, aluminum-complex mineral grease built for hydraulic hammer bushings, rated for momentary contact temperatures near 1,100 C (2,000 F) and resistant to wash-out. Grease both lube points every 2 to 8 hours of hammer operation - shorter end for continuous/rental duty, longer end for light/intermittent use - or per the lube decal on the hammer. Interval varies by duty cycle and site conditions; confirm against this unit's lube chart. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar H50 maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 50 h |
|
| Every 500 h |
|
| Every 600 h |
|
Servicing the H50 beyond the schedule
Predictive Maintenance & Fluid Analysis
The H50 has no engine or filters to sample, so predictive care centers on the carrier's hydraulic oil and the hammer's gas chamber. Pull oil samples from the carrier reservoir on schedule; a hammer shedding piston or bushing wear shows up as elevated iron and silica counts before a seal fails outright. Track blow rate and sound: a hammer that slows or starts double-striking usually means nitrogen precharge has bled down, not a hydraulic supply problem. Log precharge readings at each check to catch drift early.
Corrective & Common Repairs
Most H50 callbacks trace to worn front and rear bushings letting the tool bit rock, which then hammers out the bushing bore and can crack the housing if ignored. A tool bit that won't retract usually means a dry or galled bushing, not a hydraulic fault; clean and grease before condemning the tool. Chronic case-seal weeping around the piston points to a wear band or seal set at end of life. Loose through-bolts after any hard use should be re-torqued immediately to stop housing fretting.
Overhaul & Rebuild Points
A full H50 rebuild means pulling the hammer off the carrier, splitting the housing, and inspecting the cylinder bore and piston for scoring beyond honing limits. Replace the piston seal set, wear band, and front and rear bushings together rather than piecemeal; mixed wear states shorten the next service interval. Bleed the nitrogen chamber completely before recharging to the correct precharge; a partial bleed leaves stale gas that throws off blow energy. Confirm the carrier's relief valve and flow control match the H50's rated oil flow and pressure before restarting.
Seasonal & Environment Servicing
Nitrogen precharge is temperature-sensitive: check and correct the gas pressure at the start of cold-weather work, since a cold accumulator reads low and can be mistakenly recharged too high once it warms up. In hot, dusty, or high-cycle demolition work, shorten grease intervals below the standard two-hour mark and switch to a high-temperature hammer-specific grease so it doesn't wash out. Before extended storage, relieve hydraulic pressure, retract the piston fully, and cap the hose couplers to keep grit and moisture out of the tool bushings.
H50 attachments & work tools
Carrier excavator weight class
Cat rates the H50 for carriers in the 2,500-4,500 kg (5,500-9,900 lb) operating-weight range, matched by an acceptable oil flow of 20-70 L/min (5.2-18 gal/min). Cat's own hammer-carrier matching guide ties the H50 to the 302.5-class mini excavator plus 303CR/303SR and 303.5, to 216B/226B/232B skid-steer loaders, and to the 247B multi-terrain loader; it is not listed against any backhoe loader. Within the skid-steer line Cat calls the H50 optimum on the 216/226 frame size and does not approve it for the larger 236/246 class.
Mounting bracket / coupler systems
The H50 is built as a flat-top, side-plate hammer bolted to a carrier-specific bracket; Cat does not offer a pin-on-clevis version at this size (that style starts on the larger H70/H90C/H100). On skid-steer and multi-terrain loader installs the bracket includes a built-in step for safe operator entry/exit and a coupler face matched to the carrier's own universal mechanical quick-coupler for fast tool changes; on mini excavators the hammer is carried on a pinned bracket sized to that machine's stick/linkage.
Tool bit / point styles
Standard tool options are a chisel point, for non-abrasive but ductile rock, concrete, and general demolition, and a moil point, for soft non-abrasive rock and applications needing extra protection against retaining-pin-groove wear. Two special tools are offered for this size class: a spade tool for frozen ground and asphalt cutting, and a compacting plate for ground compaction. Blunt and pyramidal-moil styles are reserved for the larger H115s-and-up hammers and are not offered on the H50.
Factory options / sound suppression
A sound-suppressed H50s variant is offered alongside the standard H50, using a wider enclosed housing (about 440 mm frontal width versus 340 mm on the standard flat-top) and carrying a modest working-weight penalty (roughly 220 kg versus 200 kg). No HammerLogic-style electronic auto-monitoring or diagnostic package is documented for the H50; that feature is not published for this hammer's generation/size class.
All H50 assemblies by section
Every catalogued assembly group for the Caterpillar H50. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Frame And Body
203-0927 Head Gp-Front
| 20***27 | Head Group-Front | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
| 3K***60 | Seal Pilot Manifold On; Seal To Boom Check Valve Drain | 1 |
203-0912 Head Gp-Front
| 20***12 | Head Group-Front | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
| 3K***60 | Seal Pilot Manifold On; Seal To Boom Check Valve Drain | 1 |
203-0908 Head Gp-Front
| 20***08 | Head Group-Front | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
| 3K***60 | Seal Pilot Manifold On; Seal To Boom Check Valve Drain | 1 |
203-0922 Head Gp-Front
| 20***22 | Head Group-Front | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
| 3K***60 | Seal Pilot Manifold On; Seal To Boom Check Valve Drain | 1 |
203-0932 Head Gp-Front
| 20***32 | Head Group-Front | 1 |
| 3J***07 | Seal Valve Assembly To; Seal- Tube Assembly To Logic Valve | 1 |
| 3K***60 | Seal Pilot Manifold On; Seal To Boom Check Valve Drain | 1 |
108-9421 Plate Gp-Hammer
| 09***69 | Pin-Cotter | 2 |
| 10***14 | Spacer | 2 |
| 10***15 | Spacer | 2 |
124-4706 Plate Gp-Hammer
| 09***73 | Bolt; (Socket Head) (M12x1.75x60mm) | 8 |
| 12***35 | Tube-Spacer | 2 |
| 12***36 | Ring-Spacer | 16 |
191-9801 Plate Gp-Hammer
| 09***69 | Pin-Cotter | 2 |
| 10***15 | Spacer | 2 |
| 19***00 | Plate Group-Hammer | 1 |
152-2524 Plate Gp-Hammer
| 15***79 | Buffer | 2 |
| 15***24 | Plate Group-Hammer | 1 |
| 15***25 | Plate Set-Housing | 1 |
138-1114 Plate Gp-Hammer
| 09***73 | Bolt; (Socket Head) (M12x1.75x60mm) | 8 |
| 12***37 | Buffer | 2 |
| 12***40 | Pin-Cotter | 2 |
121-9539 Plate Gp-Hammer
| 10***15 | Spacer | 2 |
| 12***39 | Plate Group-Hammer | 1 |
| 12***40 | Plate As-Lh | 1 |
157-2208 Plate Gp-Hammer
| 10***47 | Pin-Spring | 2 |
| 12***37 | Buffer | 2 |
| 12***66 | Pin | 2 |
158-4542 Plate Gp-Hammer
| 12***66 | Pin | 2 |
| 15***42 | Plate Group-Hammer | 1 |
| 15***48 | Plate Set-Housing | 1 |
152-0963 Plate Gp-Hammer
| 12***66 | Pin | 2 |
| 15***63 | Plate Group-Hammer | 1 |
| 15***78 | Plate Set-Housing | 1 |
194-6506 Plate Gp-Hammer
| 10***47 | Pin-Spring | 2 |
| 12***35 | Tube-Spacer | 2 |
| 12***37 | Buffer | 2 |
138-1138 Plate Gp-Hammer
| 12***37 | Buffer | 2 |
| 12***40 | Pin-Cotter | 2 |
| 12***66 | Pin | 2 |
130-3794 Plate Gp-Hammer
| 09***69 | Pin-Cotter | 2 |
| 13***94 | Plate Group-Hammer | 1 |
| 3E***01 | Lockwasher | 8 |
157-2241 Plate Gp-Hammer
| 10***47 | Pin-Spring | 2 |
| 12***35 | Tube-Spacer | 2 |
| 12***37 | Buffer | 2 |
112-4843 Plate Gp-Hammer
| 09***70 | Pin-Cotter | 2 |
| 11***43 | Plate Group-Hammer | 1 |
| 12***34 | Plate Set-Housing | 1 |
171-1375 Plate Gp-Hammer
| 09***69 | Pin-Cotter | 2 |
| 10***15 | Spacer | 2 |
| 17***75 | Plate Group-Hammer | 1 |
124-9642 Plate Gp-Hammer
| 12***42 | Plate Group-Hammer | 1 |
| 12***59 | Plate Set-Housing | 1 |
| 12***60 | Damper-Lh | 1 |
157-2242 Plate Gp-Hammer
| 10***47 | Pin-Spring | 2 |
| 12***37 | Buffer | 2 |
| 15***94 | Plate Set-Housing | 1 |
152-2516 Plate Gp-Hammer
| 12***66 | Pin | 2 |
| 15***79 | Buffer | 2 |
| 15***16 | Plate Group-Hammer | 1 |
158-4540 Plate Gp-Hammer
| 15***40 | Plate Group-Hammer | 1 |
| 15***55 | Plate Set-Housing | 1 |
| 3E***01 | Lockwasher | 8 |
124-5316 Plate Gp-Hammer
| 10***14 | Spacer | 2 |
| 10***15 | Spacer | 2 |
| 10***16 | Spacer | 4 |
158-4544 Plate Gp-Hammer
| 12***66 | Pin | 2 |
| 15***96 | Pad-Buffer | 1 |
| 15***44 | Plate Group-Hammer | 1 |
152-0965 Plate Gp-Hammer
| 15***65 | Plate Group-Hammer | 1 |
| 15***79 | Buffer | 1 |
| 15***87 | Plate Set-Housing | 1 |
Hydraulic System
187-5338 Accumulator Gp-Hydraulic
| 15***50 | Base; (High Pressure) | 1 |
| 15***51 | Cover | 1 |
| 15***52 | Diaphragm; (High Pressure) | 1 |
187-7734 Accumulator Gp-Hydraulic
| 15***28 | Kit-Seal | 1 |
| 18***34 | Accumulator Group-Hydraulic | 1 |
| 3E***24 | Lockwasher | 8 |
229-1539 Accumulator Gp-Hydraulic
| 15***50 | Base; (High Pressure) | 1 |
| 15***52 | Diaphragm; (High Pressure) | 1 |
| 15***53 | Kit-Seal | 1 |
209-7382 Accumulator Gp-Hydraulic
| 15***28 | Kit-Seal | 1 |
| 20***77 | Cover | 1 |
| 20***82 | Accumulator Group-Hydraulic | 1 |
187-5339 Accumulator Gp-Hydraulic
| 15***47 | Base; (Low Pressure) | 1 |
| 15***48 | Cover | 1 |
| 15***49 | Diaphragm | 1 |
3q-7304 Accumulator Gp-Hydraulic
| 15***28 | Kit-Seal | 1 |
| 3E***24 | Lockwasher | 4 |
| 3E***34 | Seal-O-Ring | 1 |
229-2893 Accumulator Gp-Hydraulic
| 11***98 | Base; (High Pressure) | 1 |
| 11***09 | Membrane-Accumulator | 1 |
| 11***12 | Kit-Seal | 1 |
229-1501 Accumulator Gp-Hydraulic
| 12***51 | Kit-Seal | 1 |
| 15***11 | Base; (High Pressure) | 1 |
| 15***13 | Diaphragm | 1 |
3q-7305 Accumulator Gp-Hydraulic
| 3E***24 | Lockwasher | 8 |
| 3E***04 | Seal-O-Ring; (119.5mm Id) | 1 |
| 3Q***05 | Accumulator Group-Hydraulic | 1 |
122-7956 Accumulator Gp-Hydraulic
| 10***45 | Kit-Seal | 1 |
| 10***51 | Diaphragm | 1 |
| 10***55 | Base | 1 |
122-7317 Accumulator Gp-Hydraulic
| 11***98 | Base; (High Pressure) | 1 |
| 11***99 | Cover-Accumulator | 1 |
| 11***09 | Membrane-Accumulator | 1 |
229-1546 Accumulator Gp-Hydraulic
| 10***45 | Kit-Seal | 1 |
| 10***51 | Diaphragm | 1 |
| 10***55 | Base | 1 |
229-1547 Accumulator Gp-Hydraulic
| 09***06 | Bolt-Socket Head; (M16x2x80-mm) | 4 |
| 10***45 | Kit-Seal | 1 |
| 10***49 | Base | 1 |
232-3123 Accumulator Gp-Hydraulic
| 15***28 | Kit-Seal | 1 |
| 20***78 | Cover | 1 |
| 20***83 | Plug As | 1 |
229-2894 Accumulator Gp-Hydraulic
| 09***27 | Seal-O-Ring | 1 |
| 11***93 | Base; (Low Pressure) | 1 |
| 11***95 | Membrane-Accumulator | 1 |
229-1502 Accumulator Gp-Hydraulic
| 11***09 | Membrane-Accumulator | 1 |
| 12***51 | Kit-Seal | 1 |
| 15***09 | Base; (Low Pressure) | 1 |
209-7381 Accumulator Gp-Hydraulic
| 20***78 | Cover | 1 |
| 20***81 | Accumulator Group-Hydraulic | 1 |
| 20***83 | Plug As | 1 |
187-5290 Accumulator Gp-Hydraulic
| 15***11 | Base; (High Pressure) | 1 |
| 15***12 | Cover | 1 |
| 15***13 | Diaphragm | 1 |
229-1540 Accumulator Gp-Hydraulic
| 15***47 | Base; (Low Pressure) | 1 |
| 15***49 | Diaphragm | 1 |
| 15***53 | Kit-Seal | 1 |
122-7314 Accumulator Gp-Hydraulic
| 09***27 | Seal-O-Ring | 1 |
| 11***93 | Base; (Low Pressure) | 1 |
| 11***94 | Cover-Accumulator | 1 |
122-7955 Accumulator Gp-Hydraulic
| 09***06 | Bolt-Socket Head; (M16x2x80-mm) | 4 |
| 10***45 | Kit-Seal | 1 |
| 10***49 | Base | 1 |
187-5289 Accumulator Gp-Hydraulic
| 11***09 | Membrane-Accumulator | 1 |
| 15***09 | Base; (Low Pressure) | 1 |
| 15***10 | Cover | 1 |
190-1446 Chart-Connecting Lines
| 19***46 | Chart-Connecting Lines | 1 |
191-4886 Chart-Connecting Lines
| 19***86 | Chart-Connecting Lines | 1 |
109-4745 Kit-Seal
| 10***45 | Kit-Seal | 1 |
| 10***91 | Seal-O-Ring | 1 |
| 10***92 | Seal-O-Ring | 2 |
152-2553 Kit-Seal
| 10***58 | Seal | 1 |
| 15***53 | Kit-Seal | 1 |
| 15***09 | Seal | 1 |
150-8828 Kit-Seal
| 15***28 | Kit-Seal | 1 |
| 15***22 | Seal | 1 |
| 15***36 | Seal | 2 |
116-8212 Kit-Seal
| 09***27 | Seal-O-Ring | 1 |
| 11***86 | Seal | 2 |
| 11***87 | Seal | 4 |
120-7351 Kit-Seal
| 09***83 | Seal-O-Ring (Id=174.00mm) | 1 |
| 12***31 | Shim, .025" Thk. | 2 |
| 12***33 | Seal | 1 |
152-2515 Kit-Seal
| 10***60 | Seal | 1 |
| 14***14 | Seal-U-Cup | 1 |
| 15***90 | Seal-Wiper | 1 |
3q-7325 Kit-Seal
| 11***22 | Seal | 1 |
| 3E***02 | Seal-O-Ring; (104.5mm Id) | 2 |
| 3E***04 | Seal-O-Ring; (119.5mm Id) | 1 |
298-4057 Lines Gp-Connecting
| 29***57 | Lines Group-Connecting | 1 |
| 29***58 | Hose As | 2 |
| 5K***90 | Seal-To Hydraulic Cooler Inlet Port | 2 |
177-1871 Lines Gp-Connecting
| 17***71 | Lines Group-Connecting | 1 |
| 17***59 | Hose As | 2 |
| 6V***16 | Connector-Seal; (1- 5/16-12) | 2 |
202-9133 Lines Gp-Connecting
| 14***48 | Fitting As; (Quick Disconnect, Male) | 1 |
| 14***49 | Fitting As; (Quick Disconnect, Female) | 1 |
| 17***57 | Hose As | 2 |
203-0981 Lines Gp-Connecting
| 15***94 | Coupler As-Quick Disconnect; (Female)(Quick Disconnect) | 1 |
| 15***95 | Fitting As; (Quick Disconnect, Male) | 1 |
| 18***41 | Hose As | 2 |
164-2430 Lines Gp-Connecting
203-0983 Lines Gp-Connecting
| 15***94 | Coupler As-Quick Disconnect; (Female)(Quick Disconnect) | 1 |
| 15***95 | Fitting As; (Quick Disconnect, Male) | 1 |
| 18***95 | Hose As | 2 |
161-1511 Lines Gp-Connecting
| 10***01 | Fitting; (Quick Disconnect, Female) | 2 |
| 10***06 | Fitting; (Quick Disconnect, Male) | 2 |
| 12***34 | Coupling As | 2 |
180-4006 Lines Gp-Connecting
| 15***96 | Fitting As; (Quick Disconnect, Male)(Quick Disconnect) | 1 |
| 15***97 | Fitting As; (Quick Disconnect, Female) | 1 |
| 15***44 | Seal | 1 |
177-1856 Lines Gp-Connecting
| 16***43 | Seal | 1 |
| 17***56 | Lines Group-Connecting | 1 |
| 17***05 | Adapter As | 2 |
172-3411 Lines Gp-Connecting
| 15***94 | Coupler As-Quick Disconnect; (Female)(Quick Disconnect) | 1 |
| 15***95 | Fitting As; (Quick Disconnect, Male) | 1 |
| 15***44 | Seal | 1 |
206-7691 Lines Gp-Connecting
| 10***01 | Fitting; (Quick Disconnect, Female) | 1 |
| 10***06 | Fitting; (Quick Disconnect, Male) | 1 |
| 12***57 | Hose-Supply | 1 |
177-1866 Lines Gp-Connecting
| 17***66 | Lines Group-Connecting | 1 |
| 17***64 | Hose As | 2 |
| 17***88 | Adapter As | 2 |
261-9508 Lines Gp-Connecting
| 26***08 | Lines Group-Connecting | 1 |
| 4J***20 | Seal (For Tilt Ports On Valve) | 2 |
| 5K***90 | Seal-To Hydraulic Cooler Inlet Port | 2 |
202-9128 Lines Gp-Connecting
| 17***64 | Hose As | 2 |
| 20***28 | Lines Group-Connecting | 1 |
| 3D***24 | O-Ring - For Oil Drain & Level Plug (Items 3 & 7) | 2 |
202-9134 Lines Gp-Connecting
| 17***64 | Hose As | 2 |
| 20***34 | Lines Group-Connecting | 1 |
| 6V***46 | Seal-O-Ring | 4 |
206-7692 Lines Gp-Connecting
| 10***01 | Fitting; (Quick Disconnect, Female) | 1 |
| 10***06 | Fitting; (Quick Disconnect, Male) | 1 |
| 12***71 | Hose-Supply | 1 |
171-2567 Lines Gp-Connecting
| 15***94 | Coupler As-Quick Disconnect; (Female)(Quick Disconnect) | 1 |
| 15***95 | Fitting As; (Quick Disconnect, Male) | 1 |
| 17***67 | Lines Group-Connecting | 1 |
177-1907 Lines Gp-Connecting
| 17***07 | Lines Group-Connecting | 1 |
| 17***05 | Hose As | 2 |
| 1P***02 | Seal-Rectangular 28.83mm(1.136in) Id | 2 |
295-0274 Lines Gp-Connecting
| 10***01 | Fitting; (Quick Disconnect, Female) | 1 |
| 10***06 | Fitting; (Quick Disconnect, Male) | 1 |
| 29***74 | Lines Group-Connecting | 1 |
203-1010 Lines Gp-Connecting
| 15***96 | Fitting As; (Quick Disconnect, Male)(Quick Disconnect) | 1 |
| 15***97 | Fitting As; (Quick Disconnect, Female) | 1 |
| 18***19 | Hose As | 2 |
177-1858 Lines Gp-Connecting
| 17***58 | Lines Group-Connecting | 1 |
| 17***77 | Hose As | 2 |
| 6V***46 | Seal-O-Ring | 4 |
172-3412 Lines Gp-Connecting
| 15***94 | Coupler As-Quick Disconnect; (Female)(Quick Disconnect) | 1 |
| 15***95 | Fitting As; (Quick Disconnect, Male) | 1 |
| 16***79 | Adapter | 2 |
177-1855 Lines Gp-Connecting
| 16***43 | Seal | 1 |
| 17***55 | Lines Group-Connecting | 1 |
| 17***05 | Adapter As | 2 |
206-7756 Lines Gp-Connecting
| 10***01 | Fitting; (Quick Disconnect, Female) | 1 |
| 10***06 | Fitting; (Quick Disconnect, Male) | 1 |
| 12***57 | Hose-Supply | 1 |
203-0984 Lines Gp-Connecting
| 10***15 | Connector | 2 |
| 15***94 | Coupler As-Quick Disconnect; (Female)(Quick Disconnect) | 1 |
| 15***95 | Fitting As; (Quick Disconnect, Male) | 1 |
177-1865 Lines Gp-Connecting
| 17***65 | Lines Group-Connecting | 1 |
| 17***64 | Hose As | 2 |
| 17***88 | Adapter As | 2 |
171-2566 Lines Gp-Connecting
| 15***94 | Coupler As-Quick Disconnect; (Female)(Quick Disconnect) | 1 |
| 15***95 | Fitting As; (Quick Disconnect, Male) | 1 |
| 16***79 | Adapter | 2 |
202-9130 Lines Gp-Connecting
| 20***30 | Lines Group-Connecting | 1 |
| 21***69 | Hose As | 2 |
| 6V***16 | Connector-Seal; (1- 5/16-12) | 2 |
203-0998 Lines Gp-Connecting
| 15***94 | Coupler As-Quick Disconnect; (Female)(Quick Disconnect) | 1 |
| 15***95 | Fitting As; (Quick Disconnect, Male) | 1 |
| 15***81 | Hose As | 2 |
153-6477 Lines Gp-Connecting
| 15***96 | Fitting As; (Quick Disconnect, Male)(Quick Disconnect) | 1 |
| 15***97 | Fitting As; (Quick Disconnect, Female) | 1 |
| 15***81 | Hose As | 2 |
158-4617 Lines Gp-Connecting
| 15***17 | Lines Group-Connecting | 1 |
| 6V***16 | Connector-Seal; (1- 5/16-12) | 4 |
| 6V***46 | Seal-O-Ring | 4 |
203-1011 Lines Gp-Connecting
| 15***94 | Coupler As-Quick Disconnect; (Female)(Quick Disconnect) | 1 |
| 15***95 | Fitting As; (Quick Disconnect, Male) | 1 |
| 15***81 | Hose As | 2 |
203-1014 Lines Gp-Connecting
| 15***94 | Coupler As-Quick Disconnect; (Female)(Quick Disconnect) | 1 |
| 15***95 | Fitting As; (Quick Disconnect, Male) | 1 |
| 17***58 | Hose As | 2 |
159-2065 Lines Gp-Connecting
| 15***65 | Lines Group-Connecting | 1 |
| 17***70 | Hose As | 2 |
| 17***88 | Adapter As | 2 |
294-9536 Lines Gp-Connecting
| 10***01 | Fitting; (Quick Disconnect, Female) | 1 |
| 10***06 | Fitting; (Quick Disconnect, Male) | 1 |
| 29***36 | Lines Group-Connecting | 1 |
157-7194 Lines Gp-Connecting
| 15***94 | Coupler As-Quick Disconnect; (Female)(Quick Disconnect) | 1 |
| 15***95 | Fitting As; (Quick Disconnect, Male) | 1 |
| 15***81 | Hose As | 2 |
203-0977 Lines Gp-Connecting
| 15***94 | Coupler As-Quick Disconnect; (Female)(Quick Disconnect) | 1 |
| 15***95 | Fitting As; (Quick Disconnect, Male) | 1 |
| 17***58 | Hose As | 2 |
203-1008 Lines Gp-Connecting
| 15***96 | Fitting As; (Quick Disconnect, Male)(Quick Disconnect) | 1 |
| 15***97 | Fitting As; (Quick Disconnect, Female) | 1 |
| 15***81 | Hose As | 2 |
202-9129 Lines Gp-Connecting
| 17***50 | Hose As | 2 |
| 20***29 | Lines Group-Connecting | 1 |
| 3D***24 | O-Ring - For Oil Drain & Level Plug (Items 3 & 7) | 2 |
206-7694 Lines Gp-Connecting
| 13***83 | Hose As | 2 |
| 20***94 | Lines Group-Connecting | 1 |
| 5K***90 | Seal-To Hydraulic Cooler Inlet Port | 4 |
174-2299 Lines Gp-Connecting
| 10***01 | Fitting; (Quick Disconnect, Female) | 1 |
| 10***06 | Fitting; (Quick Disconnect, Male) | 1 |
| 13***75 | Hose As | 2 |
206-7693 Lines Gp-Connecting
| 13***63 | Hose As | 2 |
| 20***93 | Lines Group-Connecting | 1 |
| 5K***90 | Seal-To Hydraulic Cooler Inlet Port | 4 |
202-9132 Lines Gp-Connecting
| 17***70 | Hose As | 2 |
| 20***32 | Lines Group-Connecting | 1 |
| 6V***16 | Connector-Seal; (1- 5/16-12) | 2 |
206-7696 Lines Gp-Connecting
| 13***61 | Hose As | 2 |
| 14***35 | Connect Group; (Each Includes) | 2 |
| 20***96 | Lines Group-Connecting | 1 |
206-7695 Lines Gp-Connecting
| 13***63 | Hose As | 2 |
| 14***35 | Connect Group; (Each Includes) | 2 |
| 20***95 | Lines Group-Connecting | 1 |
157-7193 Lines Gp-Connecting
| 15***94 | Coupler As-Quick Disconnect; (Female)(Quick Disconnect) | 1 |
| 15***95 | Fitting As; (Quick Disconnect, Male) | 1 |
| 15***81 | Hose As | 2 |
180-4179 Lines Gp-Connecting
| 15***94 | Coupler As-Quick Disconnect; (Female)(Quick Disconnect) | 1 |
| 15***95 | Fitting As; (Quick Disconnect, Male) | 1 |
| 16***79 | Adapter | 2 |
127-9579 Lines Gp-Connecting
| 10***01 | Fitting; (Quick Disconnect, Female) | 1 |
| 10***06 | Fitting; (Quick Disconnect, Male) | 1 |
| 12***79 | Lines Group-Hammer; -Custom | 1 |
128-6724 Lines Gp-Connecting
| 10***01 | Fitting; (Quick Disconnect, Female) | 1 |
| 10***06 | Fitting; (Quick Disconnect, Male) | 1 |
| 12***57 | Hose-Supply | 1 |
131-2882 Lines Gp-Connecting
| 13***82 | Lines Group-Hammer; -Custom | 1 |
| 13***83 | Hose As | 2 |
| 15***95 | Adapter As | 2 |
131-2962 Lines Gp-Connecting
| 13***62 | Lines Group-Hammer; -Custom | 1 |
| 13***63 | Hose As | 2 |
| 15***95 | Adapter As | 2 |
131-3160 Lines Gp-Connecting
| 13***60 | Lines Group-Hammer; -Custom | 1 |
| 13***61 | Hose As | 2 |
| 15***95 | Adapter As | 2 |
127-9577 Lines Gp-Connecting
| 10***01 | Fitting; (Quick Disconnect, Female) | 1 |
| 10***06 | Fitting; (Quick Disconnect, Male) | 1 |
| 12***71 | Hose-Supply | 1 |
131-2564 Lines Gp-Connecting
| 13***63 | Hose As | 2 |
| 13***64 | Lines Group-Hammer; -Custom | 1 |
| 15***95 | Adapter As | 2 |
148-8098 Lubrication Gp-Automatic
| 10***03 | Coupling | 4 |
| 10***05 | Connector | 4 |
| 12***72 | Hose; (1500-cm) | 0 |
152-5342 Lubrication Gp-Automatic
| 06***44 | Grommet | 1 |
| 10***82 | Switch As-Pressure | 1 |
| 12***90 | Coupling-Permanent | 1 |
152-3395 Lubrication Gp-Automatic
| 06***44 | Grommet | 1 |
| 10***79 | Switch As-Pressure; (Implement/Swing & Travel) | 1 |
| 12***90 | Coupling-Permanent | 1 |
152-3402 Pump Gp-Lubrication
| 15***02 | Pump Group-Lubrication | 1 |
| 15***17 | Valve As-Relief; (Grease Pressure) | 1 |
| 15***19 | Board-Circuit | 1 |
153-7532 Pump Gp-Lubrication
| 15***32 | Pump Group-Lubrication | 1 |
| 15***17 | Valve As-Relief; (Grease Pressure) | 1 |
| 15***19 | Board-Circuit | 1 |
187-5343 Valve Gp-Control
| 09***23 | Plug | 2 |
| 10***45 | Kit-Seal | 1 |
| 10***48 | Body-Valve | 1 |
203-0990 Valve Gp-Control
| 10***45 | Kit-Seal | 1 |
| 10***61 | Spool-Valve | 1 |
| 10***60 | Seal | 1 |
187-7722 Valve Gp-Control
| 15***47 | Spool-Valve | 1 |
| 18***22 | Valve Group-Control | 1 |
| 3Q***06 | Body-Valve | 1 |
203-0945 Valve Gp-Control
| 15***47 | Spool-Valve | 1 |
| 20***43 | Body Group-Valve | 1 |
| 20***45 | Valve Group-Control | 1 |
187-7735 Valve Gp-Control
| 09***29 | Plug | 2 |
| 15***28 | Kit-Seal | 1 |
| 15***10 | Body-Valve | 1 |
203-0928 Valve Gp-Control
| 15***28 | Kit-Seal | 1 |
| 15***47 | Spool-Valve | 1 |
| 20***26 | Body Group-Valve | 1 |
187-7733 Valve Gp-Control
| 11***56 | Body-Valve | 1 |
| 11***83 | Spool-Valve | 1 |
| 11***12 | Kit-Seal | 1 |
187-5340 Valve Gp-Control
| 09***23 | Plug | 2 |
| 15***30 | Body-Valve | 1 |
| 15***44 | Spool-Valve | 1 |
187-5291 Valve Gp-Control
| 09***22 | Plug | 2 |
| 10***60 | Seal | 1 |
| 15***92 | Body-Valve | 1 |
203-0907 Valve Gp-Control
| 11***83 | Spool-Valve | 1 |
| 11***12 | Kit-Seal | 1 |
| 20***06 | Body Group-Valve | 1 |
203-1016 Valve Gp-Control
| 10***60 | Seal | 1 |
| 15***06 | Spool-Valve | 1 |
| 15***15 | Kit-Seal | 1 |
203-1003 Valve Gp-Control
| 15***44 | Spool-Valve | 1 |
| 15***53 | Kit-Seal | 1 |
| 20***01 | Body Group-Valve | 1 |
Service Equipment And Supplies
159-5910 Film Gp
| 15***52 | Film-Warning; (Stay Back) | 2 |
| 15***53 | Film-Information; (Read Omm) | 2 |
| 15***54 | Film-Warning; (Alert)(Safety Alert) | 2 |
159-5926 Film Gp
| 15***52 | Film-Warning; (Stay Back) | 2 |
| 15***53 | Film-Information; (Read Omm) | 2 |
| 15***54 | Film-Warning; (Alert)(Safety Alert) | 2 |
159-5919 Film Gp
| 14***69 | Film-Warning; (Alert) | 2 |
| 14***70 | Film-Warning; (Read Omm) | 2 |
| 15***56 | Film-Warning; (Stay Back 26-Ft) | 2 |
159-5923 Film Gp
| 14***69 | Film-Warning; (Alert) | 2 |
| 14***70 | Film-Warning; (Read Omm) | 2 |
| 15***56 | Film-Warning; (Stay Back 26-Ft) | 2 |
159-5916 Film Gp
| 14***69 | Film-Warning; (Alert) | 2 |
| 14***70 | Film-Warning; (Read Omm) | 2 |
| 15***56 | Film-Warning; (Stay Back 26-Ft) | 2 |
159-5913 Film Gp
| 15***52 | Film-Warning; (Stay Back) | 2 |
| 15***53 | Film-Information; (Read Omm) | 2 |
| 15***54 | Film-Warning; (Alert)(Safety Alert) | 2 |
159-5924 Film Gp
| 14***69 | Film-Warning; (Alert) | 2 |
| 14***70 | Film-Warning; (Read Omm) | 2 |
| 15***56 | Film-Warning; (Stay Back 26-Ft) | 2 |
159-5915 Film Gp
| 15***52 | Film-Warning; (Stay Back) | 2 |
| 15***53 | Film-Information; (Read Omm) | 2 |
| 15***54 | Film-Warning; (Alert)(Safety Alert) | 2 |
159-5911 Film Gp
| 15***52 | Film-Warning; (Stay Back) | 2 |
| 15***53 | Film-Information; (Read Omm) | 2 |
| 15***54 | Film-Warning; (Alert)(Safety Alert) | 2 |
159-5914 Film Gp
| 15***52 | Film-Warning; (Stay Back) | 2 |
| 15***53 | Film-Information; (Read Omm) | 2 |
| 15***54 | Film-Warning; (Alert)(Safety Alert) | 2 |
121-7510 Film Gp
| 10***55 | Plate-Warning | 2 |
| 12***10 | Film Group | 1 |
| 3Q***78 | Film-Warning | 2 |
159-5925 Film Gp
| 15***52 | Film-Warning; (Stay Back) | 2 |
| 15***53 | Film-Information; (Read Omm) | 2 |
| 15***54 | Film-Warning; (Alert)(Safety Alert) | 2 |
159-5912 Film Gp
| 15***52 | Film-Warning; (Stay Back) | 2 |
| 15***53 | Film-Information; (Read Omm) | 2 |
| 15***54 | Film-Warning; (Alert)(Safety Alert) | 2 |
121-9538 Film Gp
| 10***55 | Plate-Warning | 0 |
| 12***38 | Film Group | 1 |
| 13***42 | Film; (63) | 0 |
Work Tool Arrangement
213-9664chart-Hammer Ar -Small Hammers
| 21***64 | Chart-Hammer Ar; -Small Hammers | 1 |
213-9665 Chart-Hammer Ar -Merchandising
| 21***65 | Chart-Hammer Ar; -Merchandising | 1 |
105-4336 Hammer Ar-Hydraulic
| 10***36 | Hammer Ar-Hydraulic | 1 |
| 10***21 | Plate Group-Hammer | 1 |
| 15***16 | Film Group | 1 |
161-3498 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 15***02 | Hammer Ar-Hydraulic | 1 |
| 16***98 | Hammer Ar-Hydraulic | 1 |
203-0950 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 20***49 | Hammer Ar-Hydraulic | 1 |
| 20***50 | Hammer Ar-Hydraulic | 1 |
203-0952 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 20***51 | Hammer Ar-Hydraulic | 1 |
| 20***52 | Hammer Ar-Hydraulic | 1 |
203-0974 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 20***72 | Hammer Ar-Hydraulic | 1 |
| 20***74 | Hammer Ar-Hydraulic | 1 |
203-0924 Hammer Ar-Hydraulic
| 13***38 | Plate Group-Hammer | 1 |
| 15***26 | Film Group | 1 |
| 20***09 | Hammer Group-Hydraulic | 1 |
191-9802 Hammer Ar-Hydraulic
| 15***16 | Film Group | 1 |
| 19***01 | Plate Group-Hammer | 1 |
| 19***02 | Hammer Ar-Hydraulic | 1 |
203-0934 Hammer Ar-Hydraulic
| 12***14 | Tool Group; (European Source Only) | 1 |
| 20***33 | Hammer Ar-Hydraulic | 1 |
| 20***34 | Hammer Ar-Hydraulic | 1 |
158-4538 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 15***29 | Hammer Ar-Hydraulic | 1 |
| 15***38 | Hammer Ar-Hydraulic | 1 |
194-6507 Hammer Ar-Hydraulic
| 15***40 | Hammer Group-Hydraulic | 1 |
| 15***23 | Film Group | 1 |
| 19***06 | Plate Group-Hammer | 1 |
203-0986 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 20***86 | Hammer Ar-Hydraulic | 1 |
| 20***97 | .. Axle, Hammer Ar-Hydraulic, Axle; (Sub For At201657), . Axle | 1 |
191-9803 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 19***02 | Hammer Ar-Hydraulic | 1 |
| 19***03 | Hammer Ar-Hydraulic | 1 |
109-0730 Hammer Ar-Hydraulic
| 10***36 | Hammer Ar-Hydraulic | 1 |
| 10***30 | Hammer Ar-Hydraulic | 1 |
| 12***12 | Tool Group; (For European Use Only) | 1 |
203-1046 Hammer Ar-Hydraulic
| 15***42 | Plate Group-Hammer | 1 |
| 15***23 | Film Group | 1 |
| 20***29 | Hammer Group-Hydraulic | 1 |
203-1006 Hammer Ar-Hydraulic
| 15***16 | Plate Group-Hammer | 1 |
| 15***13 | Film Group | 1 |
| 20***04 | Hammer Group-Hydraulic | 1 |
157-2655 Hammer Ar-Hydraulic
| 15***08 | Plate Group-Hammer | 1 |
| 15***40 | Hammer Group-Hydraulic | 1 |
| 15***55 | Hammer Ar-Hydraulic | 1 |
131-0999 Hammer Ar-Hydraulic
| 12***59 | Hammer Group-Hydraulic | 1 |
| 13***99 | Hammer Ar-Hydraulic | 1 |
| 13***14 | Plate Group-Hammer | 1 |
161-3500 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 15***03 | Hammer Ar-Hydraulic | 1 |
| 16***00 | Hammer Ar-Hydraulic | 1 |
131-1000 Hammer Ar-Hydraulic
| 12***15 | Tool Group; (For European Use Only) | 1 |
| 13***99 | Hammer Ar-Hydraulic | 1 |
| 13***00 | Hammer Ar-Hydraulic | 1 |
203-0915 Hammer Ar-Hydraulic
| 12***15 | Tool Group; (For European Use Only) | 1 |
| 20***13 | Hammer Ar-Hydraulic | 1 |
| 20***15 | Hammer Ar-Hydraulic | 1 |
203-0910 Hammer Ar-Hydraulic
| 12***06 | Plate Group-Hammer | 1 |
| 15***25 | Film Group | 1 |
| 20***09 | Hammer Group-Hydraulic | 1 |
203-1021 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 20***21 | Hammer Ar-Hydraulic | 1 |
| 20***26 | Hammer Ar-Hydraulic | 1 |
203-1020 Hammer Ar-Hydraulic
| 15***65 | Plate Group-Hammer | 1 |
| 15***10 | Film Group | 1 |
| 20***18 | Hammer Group-Hydraulic | 1 |
171-1373 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 17***73 | Hammer Ar-Hydraulic | 1 |
| 17***74 | Hammer Ar-Hydraulic | 1 |
203-1047 Hammer Ar-Hydraulic
| 12***14 | Tool Group; (European Source Only) | 1 |
| 20***46 | Block, Hammer Ar-Hydraulic | 1 |
| 20***47 | Hammer Ar-Hydraulic, Block | 1 |
171-1374 Hammer Ar-Hydraulic
| 15***16 | Film Group | 1 |
| 17***74 | Hammer Ar-Hydraulic | 1 |
| 17***75 | Plate Group-Hammer | 1 |
203-0911 Hammer Ar-Hydraulic
| 12***15 | Tool Group; (For European Use Only) | 1 |
| 20***10 | Hammer Ar-Hydraulic | 1 |
| 20***11 | Hammer Ar-Hydraulic | 1 |
203-0976 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 20***75 | Hammer Ar-Hydraulic | 1 |
| 20***76 | Hammer Ar-Hydraulic | 1 |
203-1026 Hammer Ar-Hydraulic
| 15***63 | Plate Group-Hammer | 1 |
| 15***11 | Film Group | 1 |
| 20***18 | Hammer Group-Hydraulic | 1 |
130-3801 Hammer Ar-Hydraulic
| 13***94 | Plate Group-Hammer | 1 |
| 13***01 | Hammer Ar-Hydraulic | 1 |
| 15***16 | Film Group | 1 |
194-6508 Hammer Ar-Hydraulic
| 12***14 | Tool Group; (European Source Only) | 1 |
| 19***07 | Hammer Ar-Hydraulic | 1 |
| 19***08 | Hammer Ar-Hydraulic | 1 |
152-2527 Hammer Ar-Hydraulic
| 15***24 | Plate Group-Hammer | 1 |
| 15***27 | Hammer Ar-Hydraulic | 1 |
| 15***28 | Hammer Group-Hydraulic | 1 |
203-0951 Hammer Ar-Hydraulic
| 13***94 | Plate Group-Hammer | 1 |
| 15***16 | Film Group | 1 |
| 20***46 | Hammer Group-Hydraulic | 1 |
203-0941 Hammer Ar-Hydraulic
| 15***08 | Plate Group-Hammer | 1 |
| 15***24 | Film Group | 1 |
| 20***29 | Hammer Group-Hydraulic | 1 |
157-2243 Hammer Ar-Hydraulic
| 15***40 | Hammer Group-Hydraulic | 1 |
| 15***42 | Plate Group-Hammer | 1 |
| 15***43 | Hammer Ar-Hydraulic | 1 |
158-4543 Hammer Ar-Hydraulic
| 15***43 | Hammer Ar-Hydraulic | 1 |
| 15***44 | Plate Group-Hammer | 1 |
| 15***19 | Film Group | 1 |
203-0925 Hammer Ar-Hydraulic
| 12***15 | Tool Group; (For European Use Only) | 1 |
| 20***24 | Hammer Ar-Hydraulic | 1 |
| 20***25 | Hammer Ar-Hydraulic | 1 |
154-2903 Hammer Ar-Hydraulic
| 15***16 | Plate Group-Hammer | 1 |
| 15***28 | Hammer Group-Hydraulic | 1 |
| 15***03 | Hammer Ar-Hydraulic | 1 |
124-9640 Hammer Ar-Hydraulic
| 12***40 | Hammer Ar-Hydraulic | 1 |
| 12***41 | Hammer Ar-Hydraulic | 1 |
| 12***12 | Tool Group; (For European Use Only) | 1 |
203-0999 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 20***99 | Hammer Ar-Hydraulic | 1 |
| 20***05 | Hammer Ar-Hydraulic | 1 |
112-8203 Hammer Ar-Hydraulic
| 11***03 | Hammer Ar-Hydraulic | 1 |
| 12***38 | Film Group | 1 |
| 12***39 | Plate Group-Hammer | 1 |
203-0997 Hammer Ar-Hydraulic
| 15***42 | Plate Group-Hammer | 1 |
| 15***15 | Film Group | 1 |
| 20***94 | Hammer Group-Hydraulic | 1 |
154-2902 Hammer Ar-Hydraulic
| 15***62 | Hammer Group-Hydraulic | 1 |
| 15***63 | Plate Group-Hammer | 1 |
| 15***02 | Hammer Ar-Hydraulic | 1 |
203-0933 Hammer Ar-Hydraulic
| 15***23 | Film Group | 1 |
| 19***06 | Plate Group-Hammer | 1 |
| 20***29 | Hammer Group-Hydraulic | 1 |
120-5947 Hammer Ar-Hydraulic
| 11***43 | Plate Group-Hammer | 1 |
| 12***47 | Hammer Ar-Hydraulic | 1 |
| 12***59 | Hammer Group-Hydraulic | 1 |
130-3802 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 13***01 | Hammer Ar-Hydraulic | 1 |
| 13***02 | Hammer Ar-Hydraulic | 1 |
127-5546 Hammer Ar-Hydraulic
| 12***38 | Film Group | 1 |
| 12***46 | Hammer Ar-Hydraulic | 1 |
| 3D***24 | O-Ring - For Oil Drain & Level Plug (Items 3 & 7) | 2 |
161-3503 Hammer Ar-Hydraulic
| 12***14 | Tool Group; (European Source Only) | 1 |
| 15***55 | Hammer Ar-Hydraulic | 1 |
| 16***03 | Hammer Ar-Hydraulic | 1 |
118-5577 Hammer Ar-Hydraulic
124-9641 Hammer Ar-Hydraulic
| 12***41 | Hammer Ar-Hydraulic | 1 |
| 12***42 | Plate Group-Hammer | 1 |
| 15***19 | Film Group | 1 |
153-9929 Hammer Ar-Hydraulic
| 15***29 | Hammer Ar-Hydraulic | 1 |
| 15***40 | Plate Group-Hammer | 1 |
| 15***14 | Film Group | 1 |
203-0948 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 20***47 | Cover, Hammer Ar-Hydraulic | 1 |
| 20***48 | Hammer Ar-Hydraulic, Cover | 1 |
124-4707 Hammer Ar-Hydraulic
| 12***59 | Hammer Group-Hydraulic | 1 |
| 12***06 | Plate Group-Hammer | 1 |
| 12***07 | Hammer Ar-Hydraulic | 1 |
203-0947 Hammer Ar-Hydraulic
| 10***21 | Plate Group-Hammer | 1 |
| 15***16 | Film Group | 1 |
| 20***46 | Hammer Group-Hydraulic | 1 |
203-1000 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 20***00 | Hammer Ar-Hydraulic, .. Cyl. | 1 |
| 20***06 | Hammer Ar-Hydraulic | 1 |
203-0972 Hammer Ar-Hydraulic
| 15***16 | Film Group | 1 |
| 17***75 | Plate Group-Hammer | 1 |
| 20***46 | Hammer Group-Hydraulic | 1 |
153-9927 Hammer Ar-Hydraulic
| 15***27 | Hammer Ar-Hydraulic | 1 |
| 15***42 | Plate Group-Hammer | 1 |
| 15***15 | Film Group | 1 |
203-0975 Hammer Ar-Hydraulic
| 15***44 | Plate Group-Hammer | 1 |
| 15***19 | Film Group | 1 |
| 20***46 | Hammer Group-Hydraulic | 1 |
158-4541 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 15***27 | Hammer Ar-Hydraulic | 1 |
| 15***41 | Hammer Ar-Hydraulic | 1 |
112-4842 Hammer Ar-Hydraulic
| 11***42 | Hammer Ar-Hydraulic | 1 |
| 12***47 | Hammer Ar-Hydraulic | 1 |
| 12***15 | Tool Group; (For European Use Only) | 1 |
203-0931 Hammer Ar-Hydraulic
| 12***14 | Tool Group; (European Source Only) | 1 |
| 20***30 | Hammer Ar-Hydraulic | 1 |
| 20***31 | Hammer Ar-Hydraulic | 1 |
203-0995 Hammer Ar-Hydraulic
| 15***40 | Plate Group-Hammer | 1 |
| 15***14 | Film Group | 1 |
| 20***94 | Hammer Group-Hydraulic | 1 |
203-1009 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 20***09 | Hammer Ar-Hydraulic | 1 |
| 20***20 | Hammer Ar-Hydraulic | 1 |
150-8825 Hammer Ar-Hydraulic
| 15***25 | Hammer Ar-Hydraulic | 1 |
| 15***40 | Hammer Group-Hydraulic | 1 |
| 15***41 | Plate Group-Hammer | 1 |
161-3502 Hammer Ar-Hydraulic
| 12***14 | Tool Group; (European Source Only) | 1 |
| 15***43 | Hammer Ar-Hydraulic | 1 |
| 16***02 | Hammer Ar-Hydraulic | 1 |
138-1136 Hammer Ar-Hydraulic
| 12***15 | Tool Group; (For European Use Only) | 1 |
| 13***36 | Hammer Ar-Hydraulic | 1 |
| 13***37 | Hammer Ar-Hydraulic | 1 |
159-1611 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 15***43 | Hammer Ar-Hydraulic | 1 |
| 15***11 | Hammer Ar-Hydraulic | 1 |
203-1005 Hammer Ar-Hydraulic
| 15***24 | Plate Group-Hammer | 1 |
| 15***12 | Film Group | 1 |
| 20***04 | Hammer Group-Hydraulic | 1 |
203-0949 Hammer Ar-Hydraulic
| 15***16 | Film Group | 1 |
| 19***01 | Plate Group-Hammer | 1 |
| 20***46 | Hammer Group-Hydraulic | 1 |
161-3501 Hammer Ar-Hydraulic
| 12***14 | Tool Group; (European Source Only) | 1 |
| 15***25 | Hammer Ar-Hydraulic | 1 |
| 16***01 | Hammer Ar-Hydraulic | 1 |
124-4708 Hammer Ar-Hydraulic
| 12***07 | Hammer Ar-Hydraulic | 1 |
| 12***08 | Hammer Ar-Hydraulic | 1 |
| 12***15 | Tool Group; (For European Use Only) | 1 |
203-0979 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 20***79 | Hammer Ar-Hydraulic | 1 |
| 20***95 | Hammer Ar-Hydraulic | 1 |
161-3499 Hammer Ar-Hydraulic
| 12***12 | Tool Group; (For European Use Only) | 1 |
| 15***27 | Hammer Ar-Hydraulic | 1 |
| 16***99 | Hammer Ar-Hydraulic | 1 |
203-0913 Hammer Ar-Hydraulic
| 13***14 | Plate Group-Hammer | 1 |
| 15***25 | Film Group | 1 |
| 20***09 | Hammer Group-Hydraulic | 1 |
203-0942 Hammer Ar-Hydraulic
| 12***14 | Tool Group; (European Source Only) | 1 |
| 20***41 | Hammer Ar-Hydraulic | 1 |
| 20***42 | Hammer Ar-Hydraulic | 1 |
138-1137 Hammer Ar-Hydraulic
| 12***59 | Hammer Group-Hydraulic | 1 |
| 13***37 | Hammer Ar-Hydraulic | 1 |
| 13***38 | Plate Group-Hammer | 1 |
203-0930 Hammer Ar-Hydraulic
| 15***41 | Plate Group-Hammer | 1 |
| 15***23 | Film Group | 1 |
| 20***29 | Hammer Group-Hydraulic | 1 |
Work Tools
294-7877 Bracket Gp-Mounting
| 13***55 | Setscrew; (M4x0.7x8-mm) | 2 |
| 29***77 | Bracket Group-Mounting | 1 |
| 29***78 | Bracket As | 1 |
3q-7608 Bracket Gp-Mounting
| 16***56 | Bracket As | 1 |
| 3Q***08 | Bracket Group-Mounting | 1 |
| 7X***54 | Bolt; (M16x2x70-mm) | 12 |
191-0991 Bracket Gp-Mounting
| 13***55 | Setscrew; (M4x0.7x8-mm) | 2 |
| 19***91 | Bracket Group-Mounting | 1 |
| 20***54 | Bracket As | 1 |
155-4468 Bracket Gp-Mounting
| 15***68 | Bracket Group-Mounting | 1 |
| 15***77 | Bracket As | 1 |
| 8T***31 | Nut; (M20x2.5-Thd) | 4 |
230-9503 Bracket Gp-Mounting
| 23***03 | Bracket Group-Mounting | 1 |
| 26***39 | Bracket As | 1 |
| 8T***39 | Washer; (6.0mm Thk)(M21.5x6x45mm) | 4 |
230-9505 Bracket Gp-Mounting
| 23***05 | Bracket Group-Mounting | 1 |
| 26***37 | Bracket As | 1 |
| 8T***39 | Washer; (6.0mm Thk)(M21.5x6x45mm) | 4 |
230-9507 Bracket Gp-Mounting
| 23***07 | Bracket Group-Mounting | 1 |
| 26***36 | Bracket As | 1 |
| 8T***39 | Washer; (6.0mm Thk)(M21.5x6x45mm) | 4 |
333-0098 Bracket Gp-Mounting
| 13***55 | Setscrew; (M4x0.7x8-mm) | 2 |
| 33***98 | Bracket Group-Mounting | 1 |
| 33***99 | Bracket As | 1 |
204-3379 Bracket Gp-Mounting
| 09***96 | Bolt; (M20x2.5-Thd) | 4 |
| 20***79 | Bracket Group-Mounting | 1 |
| 20***13 | Bracket As | 1 |
308-7541 Bracket Gp-Mounting
| 13***55 | Setscrew; (M4x0.7x8-mm) | 2 |
| 30***41 | Bracket Group-Mounting | 1 |
| 30***42 | Bracket As | 1 |
222-4850 Bracket Gp-Mounting
| 22***50 | Bracket Group-Mounting | 1 |
| 22***66 | Bracket As | 1 |
| 7X***54 | Bolt; (M16x2x70-mm) | 12 |
215-6527 Bracket Gp-Mounting
| 21***26 | Bracket As | 1 |
| 21***27 | Bracket Group-Mounting | 1 |
| 21***65 | Shim | 6 |
280-9885 Bracket Gp-Mounting
| 28***85 | Bracket Group-Mounting | 1 |
| 28***86 | Bracket As-Mounting | 1 |
| 8T***23 | Washer-Plated; (22x35x3.5-mm Thk) | 16 |
300-5047 Bracket Gp-Mounting
| 13***55 | Setscrew; (M4x0.7x8-mm) | 2 |
| 30***47 | Bracket Group-Mounting | 1 |
| 30***48 | Bracket As | 1 |
280-9827 Bracket Gp-Mounting
| 28***27 | Bracket Group-Mounting | 1 |
| 28***28 | Bracket As | 1 |
| 8T***23 | Washer-Plated; (22x35x3.5-mm Thk) | 16 |
294-7874 Bracket Gp-Mounting
| 13***55 | Setscrew; (M4x0.7x8-mm) | 2 |
| 29***74 | Bracket Group-Mounting | 1 |
| 29***76 | Bracket As | 1 |
222-7794 Bracket Gp-Mounting
| 22***94 | Bracket Group-Mounting | 1 |
| 22***98 | Bracket As | 1 |
| 7X***54 | Bolt; (M16x2x70-mm) | 8 |
230-9508 Bracket Gp-Mounting
| 23***08 | Bracket Group-Mounting | 1 |
| 26***35 | Bracket As | 1 |
| 8T***93 | Bolt-Plt; (M16 X 2.0 X 50) | 12 |
219-0667 Bracket Gp-Mounting
| 21***67 | Bracket Group-Mounting | 1 |
| 21***68 | Bracket As | 1 |
| 7X***54 | Bolt; (M16x2x70-mm) | 12 |
305-0511 Bracket Gp-Mounting
| 30***11 | Bracket Group-Mounting | 1 |
| 30***12 | Bracket As | 1 |
| 7X***54 | Bolt; (M16x2x70-mm) | 12 |
226-2797 Bracket Gp-Mounting
| 22***97 | Bracket Group-Mounting | 1 |
| 22***96 | Bracket As | 1 |
| 8T***23 | Washer-Plated; (22x35x3.5-mm Thk) | 16 |
215-6525 Bracket Gp-Mounting
| 21***24 | Bracket As | 1 |
| 21***25 | Bracket Group-Mounting | 1 |
| 21***25 | Shim; (0.5-mm Thk) | 6 |
305-4984 Bracket Gp-Mounting
| 13***55 | Setscrew; (M4x0.7x8-mm) | 2 |
| 30***84 | Bracket Group-Mounting | 1 |
| 30***85 | Bracket As | 1 |
179-9859 Bracket Gp-Mounting
| 17***59 | Bracket Group-Mounting | 1 |
| 17***72 | Bracket As | 1 |
| 8T***23 | Washer-Plated; (22x35x3.5-mm Thk) | 16 |
209-3306 Bracket Gp-Mounting
| 20***05 | Bracket As | 1 |
| 20***06 | Bracket Group-Mounting | 1 |
| 7X***54 | Bolt; (M16x2x70-mm) | 12 |
230-9504 Bracket Gp-Mounting
| 23***04 | Bracket Group-Mounting | 1 |
| 26***38 | Bracket As | 1 |
| 8T***31 | Nut; (M20x2.5-Thd) | 4 |
290-0333 Bracket Gp-Mounting
| 29***33 | Bracket Group-Mounting | 1 |
| 29***34 | Bracket As | 1 |
| 29***18 | Rivet | 4 |
318-2265 Bracket Gp-Mounting
| 31***64 | Bracket As | 1 |
| 31***65 | Bracket Group-Mounting | 1 |
| 7X***54 | Bolt; (M16x2x70-mm) | 12 |
189-2983 Chart-Hammer Tool
| 15***89 | Tool-Chisel | 1 |
| 15***90 | Tool-Moil Point | 1 |
| 15***93 | Tool-Compacting Plate | 1 |
189-2981 Chart-Hammer Tool
| 12***30 | Tool-Compacting Plate | 1 |
| 12***94 | Tool-Long Chisel | 1 |
| 12***98 | Tool-Long Moil Point | 1 |
189-2978 Chart-Hammer Tool
| 10***35 | Tool-Moil Point | 1 |
| 10***36 | Tool-Chisel | 1 |
| 12***56 | Tool-Blunt | 1 |
189-2979 Chart-Hammer Tool
| 15***26 | Tool-Moil Point | 1 |
| 15***27 | Tool-Chisel | 1 |
| 18***03 | Tool-Long Chisel | 1 |
189-2982 Chart-Hammer Tool
| 15***94 | Tool-Chisel | 1 |
| 15***95 | Tool-Moil Point | 1 |
| 15***98 | Tool-Compacting Plate | 1 |
189-2980 Chart-Hammer Tool
| 12***44 | Tool-Long Chisel | 1 |
| 12***46 | Tool-Moil Point | 1 |
| 15***16 | Shaft | 1 |
190-1444 Chart-Mounting Bracket
| 12***43 | Bracket Group-Mounting | 1 |
| 12***44 | Bracket As | 1 |
| 12***45 | Bracket Group-Mounting | 1 |
191-4885 Chart-Mounting Bracket
| 09***85 | Locknut; (M16x2-Thd) | 12 |
| 10***43 | Adjuster Group-Bucket | 1 |
| 10***57 | Adjuster Group-Bucket; (Bucket) | 1 |
203-1018 Hammer Gp-Hydraulic
| 10***46 | Plug | 2 |
| 14***14 | Seal-U-Cup | 1 |
| 15***90 | Seal-Wiper | 1 |
203-0909 Hammer Gp-Hydraulic
| 11***57 | Cylinder | 1 |
| 11***58 | Piston | 1 |
| 11***60 | Bushing | 1 |
203-0946 Hammer Gp-Hydraulic
| 11***22 | Seal | 1 |
| 20***22 | Head Group-Front | 1 |
| 20***45 | Valve Group-Control | 1 |
203-0929 Hammer Gp-Hydraulic
| 11***82 | Plate | 1 |
| 15***28 | Kit-Seal | 1 |
| 15***29 | Bushing As | 1 |
203-1004 Hammer Gp-Hydraulic
| 09***73 | Bolt; (Socket Head) (M12x1.75x60mm) | 4 |
| 09***05 | Bolt-Socket Head; (M16x2x100-mm) | 8 |
| 10***60 | Washer | 4 |
120-7259 Hammer Gp-Hydraulic
| 10***46 | Plug | 1 |
| 11***56 | Body-Valve | 1 |
| 11***57 | Cylinder | 1 |
152-2528 Hammer Gp-Hydraulic
| 09***73 | Bolt; (Socket Head) (M12x1.75x60mm) | 4 |
| 09***05 | Bolt-Socket Head; (M16x2x100-mm) | 8 |
| 10***60 | Washer | 4 |
203-0994 Hammer Gp-Hydraulic
| 09***05 | Bolt-Socket Head; (M16x2x100-mm) | 8 |
| 09***06 | Bolt-Socket Head; (M16x2x80-mm) | 4 |
| 10***60 | Washer | 4 |
157-2240 Hammer Gp-Hydraulic
| 11***82 | Plate | 1 |
| 15***28 | Kit-Seal | 1 |
| 15***29 | Bushing As | 1 |
152-0962 Hammer Gp-Hydraulic
| 10***46 | Plug | 2 |
| 14***14 | Seal-U-Cup | 1 |
| 15***62 | Hammer Group-Hydraulic | 1 |
7q-8913 Hammer Gp-Hydraulic
| 09***05 | Bolt-Socket Head; (M16x2x100-mm) | 8 |
| 09***06 | Bolt-Socket Head; (M16x2x80-mm) | 8 |
| 10***60 | Washer | 4 |
3q-7301 Hammer Gp-Hydraulic
| 11***22 | Seal | 1 |
| 3E***05 | Washer; (31x56x0.5-mm Thk) | 4 |
| 3E***24 | Lockwasher | 56 |
H50 serial number reference
The serial/ID plate is riveted to the hammer's own cylinder housing (the main tube body), typically near the top mounting bracket, not on the carrier excavator or skid steer. It reads as a 3-character prefix followed by a sequence number (for example 5MZ00123): the prefix ties the unit to a specific factory parts-book serial break, and the digits are the build sequence within that break. Match the full stamped plate against the parts-book serial chart rather than relying on the model name alone, since standard and sound-suppressed variants can share the same prefix block.
| Prefix | Identifies | Notes |
|---|---|---|
| 5MZ | H50 / H50S hydraulic hammer (standard and sound-suppressed arrangement) | Factory serial block for this hammer size sits under one shared parts book that also covers H45/H45S, H63/H63S, H70/H70S, H90C/H90CS and H100/H100S. Within that shared book, 5MZ is the block tied to the H50 line - it covers both the plain H50 (pin-on and flat-top) and the sound-suppressed H50S arrangement. No reliably documented split point between the two configurations inside the block; part-level serial windows found for representative H50 and H50S part numbers both cite the same early sub-range, which points to one shared block rather than a clean low/high split - confirm with dealer using the full stamped plate. |
Frequently asked questions
What carrier weight class does the Cat H50 hammer fit?
The H50/H50S is sized for carriers in the 2,500-4,500 kg (5,500-9,900 lb) operating weight class, covering mini excavators and skid steer/multi-terrain loaders in roughly the 3-6 ton range. Match the carrier's auxiliary hydraulic flow to the hammer's rated flow and pressure window before mounting; exact fit varies by carrier hydraulic circuit setup.
What is the operating weight of the Cat H50?
The hammer itself weighs about 200 kg (440 lb) with its standard tool and an average mounting bracket. The figure shifts slightly with bracket choice and tool style, and is essentially the same for the sound-suppressed H50S housing.
What replaced the Cat H50?
Caterpillar replaced the H50 and H50S with the H55D and sound-suppressed H55Ds, which kept the same carrier class and mounting footprint but cut the parts count nearly in half and added roughly 25 percent more impact power. Cat carried that design forward through later generations into today's H55s hammer.
What H50 owners discuss
Why does the H50 hit hard for a few minutes and then lose power?
Reduced blow force after a short warm-up period on this class of hammer usually traces back to the nitrogen pre-charge drifting out of range as the gas heats and expands, or to a carrier relief-pressure setting that's crept low, not to the piston or valve itself. Bleed the circuit, let the unit cool, and recheck the gas charge cold before condemning any internal part. Have your dealer verify nitrogen charge and carrier relief pressure with a gauge before opening the power cell.
What's the typical bushing wear pattern for a hammer this size?
The lower tool bushing takes the side-load from steering and prying the tool and wears first, well ahead of the upper bushing. Most owners catch it before it's out of spec by rotating the bushing partway (about a quarter turn) to present fresh bore surface, buying another service interval before replacement is needed. Running the tool bit dry of grease is the biggest driver of early bushing wear reported at this hammer size; greasing every shift (roughly 10-15 pumps) is treated as non-negotiable maintenance.
What causes most tool-bit and retention failures on this hammer?
Mushrooming, where the bit face flares and work-hardens from heat buildup at the tip, is the most common bit failure mode, and once it starts the bit is compromised and should be pulled. Retainer pins wear unevenly against the tool shank; a pin worn on one face can be rotated 180 degrees and reused once, but a pin worn on both faces or showing cracking needs replacing, not reuse. Chronic pin or retainer looseness usually points back to blank-firing rather than a defective retainer. Because a failed retainer can let the tool eject during operation, have your dealer verify retainer and pin condition if you're unsure.
What's the correct nitrogen charge, and what happens if it's wrong?
The top chamber nitrogen charge stores the return energy that drives the piston back down; the exact charge pressure varies by hammer configuration/series, so use the figure in this unit's own operator's manual rather than a number carried over from a different hammer size. Overcharged nitrogen shows up as a weak, light-sounding blow; undercharged nitrogen lets the piston bottom out and hammer harshly, and both wear seals faster than a correctly charged unit. Have your dealer verify charge pressure with a calibrated charging gauge rather than judging it by sound or feel.
What carrier-matching mistakes come up most with this hammer size?
Mounting it on a carrier that's undersized for the class stresses the boom and mounting pins, while an oversized carrier can push auxiliary flow and pressure above this hammer's working range, roughly 20-70 L/min (5-18 US gpm) and about 10,500 kPa (1,500 psi), which blows seals and over-cycles the mechanism. Flow and pressure sitting inside the rated window matter more than carrier operating weight alone, so confirm the auxiliary circuit settings before running it, not just the carrier's tonnage class.
What should I check before buying a used H50?
Inspect the bit, both bushings, and the retainer pin for egg-shaped wear or cracking; these show hard use first on a hammer this size. Check the mounting/connection plate and side plates for weld cracks, look for oil weeping around the piston seals, and check the tool for rust or pitting suggesting long outdoor storage without grease. Ask for service history (grease intervals, nitrogen checks, any rebuild) and run it under load if possible, listening for an irregular double-hit or a hollow, empty-sounding blow that points to a low charge or worn power cell. Have your dealer or a hammer specialist inspect the power cell before committing if the history is thin.
What operating habits shorten this hammer's service life the most?
Blank firing, triggering the hammer with the tool off the work surface, is reported as the single biggest driver of premature internal wear, since the piston's energy has nowhere to go but into the tool holder and tie rods. Using the tool as a pry bar to lever loose material bends tie rods and beats up the bushings; the tool is only designed to strike straight in its firing direction. Long stretches without tool-bit grease is the other habit owners repeatedly flag for eating bushings ahead of schedule.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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