Caterpillarwork toolcrusher

Caterpillar VHC-30

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar VHC-30 is a passive hydraulic pulverizer/crusher work tool, a jaw-type demolition attachment mounted on an excavator stick for crushing concrete and pulverizing or shearing embedded rebar. It is the smallest tool in Caterpillar's VHC-30/40/50/60 pulverizer family. It carries no engine, no ECM, and no independent hydraulic tank of its own; every function draws power from the carrier excavator's auxiliary hydraulic circuit. Operating weight runs about 1,950 kg (4,300 lb) for the fixed-jaw configuration and about 1,970 kg (4,343 lb) for the rotating-head version. The tool traces to the Verachtert VHC 30 H, and it carried the VHC-30 name into the Caterpillar lineup after Caterpillar acquired Verachtert's Den Bosch, Netherlands plant in 1998, forming Caterpillar Work Tools B.V. Caterpillar has offered it in fixed-jaw and 360-degree hydraulic rotating-head configurations for excavators in the 20 to 30 tonne class.

Across its production life the VHC-30 changed little at the core: Caterpillar largely retained the Verachtert jaw geometry, pivot arrangement, and closing-force rating rather than re-engineering the tool, and the visible shift was rebadging from Verachtert orange to Cat yellow along with integration into Cat's work-tool serial and parts network (WPA-prefix serials). Because it is a passive attachment with no self-propelled generations to track, there is no engine-driven series split like on Caterpillar's machines; documentation reads as one continuous model line with a fixed-jaw and a rotating-head variant. In the used and parts market today the VHC-30 remains a relevant small-class demolition and recycling tool valued for pairing with mid-size excavators already on a jobsite; resale and parts demand track jaw, pin, and bushing wear condition rather than hours on an engine, and buyers should expect thin factory documentation typical of an acquired-brand tool carried forward with minimal published updates.

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 VHC-30 specifications

Engine

Power sourceNo onboard engine or ECM. VHC-30 is a passive hydraulic work tool, powered entirely by the carrier excavator's own hydraulic circuit; there is no independent power rating, displacement, cylinder count, or emissions tier for this attachment.

Weights

Operating weight, fixed-jaw configuration1,950 kg (4,300 lb).
Operating weight, rotating-head configuration1,970 kg (4,343 lb). Weight varies slightly by configuration (fixed vs. rotating head).
Shipping weightNot separately published for this attachment class; effectively the same as operating weight since it ships as a single assembled unit. Verify exact crated/pallet weight with your dealer.
Ground pressureNot applicable. VHC-30 is an excavator-mounted attachment, not a ground-bearing machine.

Dimensions

Overall height2,090 mm (82.3 in).
Upper jaw width280 mm (11.0 in).
Lower jaw width480 mm (18.9 in).
Maximum jaw opening750 mm (29.5 in).
Cutting blade length260 mm (10.2 in).
Transport length/width/wheelbase/ground clearanceNot documented for this attachment. As a hand/boom-mounted crusher head, it has no transport footprint, wheelbase, or ground clearance figures of its own — verify with your dealer if a full outline drawing is needed.

Performance

Maximum closing (crushing) force1,810 kN (approx. 407,000 lbf) at the jaw tip.
Travel speed / drawbar pull / gradeabilityNot applicable. VHC-30 has no drivetrain of its own; all travel and positioning performance comes from the host excavator.
Duty classSized for demolition and secondary reduction of moderately reinforced concrete structures, matched to mid-size excavator carriers.

Service capacities (summary)

Fuel tank / engine oil / cooling systemNot applicable — no onboard engine.
Hydraulic systemNo separate onboard hydraulic reservoir or published fluid capacity. The tool runs directly off the carrier excavator's auxiliary hydraulic circuit; use the carrier's specified hydraulic oil.

Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.

VHC-30 fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter)Not applicableVHC-30 is a passive hydraulic work tool with no onboard engine. All power comes from the carrier excavator's hydraulic circuit, so no crankcase oil chart applies to the tool itself.
Cooling systemNot applicableNo engine or radiator on the tool. Cooling of the hydraulic circuit is handled by the carrier machine's own cooling system.
Fuel tankNot applicableNo fuel system on the tool.
Transmission / powertrain compartmentNot applicableNo transmission or powertrain on the tool; it is driven directly by hydraulic cylinders and a rotation motor supplied by the carrier.
Final drives (each)Not applicableNot fitted. VHC-30 has no travel or final-drive components.
Hydraulic system and tankNo dedicated tank; the tool shares the carrier excavator's hydraulic reservoir and circuitRuns on whatever hydraulic fluid the host excavator's OMM specifies. Cat guidance for auxiliary hydraulic work tools points operators to match the carrier's hydraulic oil, typically Cat HYDO Advanced or an equivalent anti-wear hydraulic oil sized to the carrier's viscosity grade for the climate (lighter grade in cold climates, heavier in hot climates), or a biodegradable hydraulic oil if the carrier circuit is set up for one. Confirm the carrier's own fluids chart before servicing, since the crusher itself carries no separate capacity figure.
Axles / differentialsNot applicableNot fitted.
Grease (pivot pins, jaw bushings, rotation bearing/gear)Applied via grease fittings as needed; no bulk-fill liters figure publishedCat Extreme Application Grease meeting the Cat Multipurpose Grease-Moly (MPGM) specification, NLGI 2 with about 5 percent molybdenum disulfide, rated for roughly -15 C to 140 C (5 F to 284 F) service. This is the standard pin- and bushing-grease call-out Cat uses across its demolition and processing work-tool line (shears, pulverizers, crushers) and applies to the VHC-30's pivot pins, jaw bushings, and rotation bearing/gear teeth.

Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.

Caterpillar VHC-30 maintenance schedule

Service intervalTasks
Every 10 h
  • Grease all pivot pins and bushings with Cat MPGM (Multipurpose Grease-Moly), NLGI 2, until clean grease purges at each fitting.
  • Inspect jaw cutting edges and the blade for cracks, chips, or excessive rounding before starting work.
  • Check all hydraulic hose runs and fittings on the tool for leaks, chafing, or loose clamps.
  • Confirm the mounting pins and retainers joining the tool to the carrier excavator stick are secure and show no elongation.
  • Clear concrete dust, rebar, and demolition debris from the pivot area and rotator housing (if fitted) so packed material does not mask wear.
Every 250 h
  • Measure jaw pivot pin and bushing clearance and log the trend against wear limits.
  • Inspect the hydraulic cylinder rod and barrel for scoring, pitting, or seal weeping.
  • On rotating-head units, check the rotator seal package for grease purge and leakage.
  • Torque-check mounting bolts on the jaw sets and cutting-edge wear plates.
  • Inspect structural welds on the jaw frame and upper housing for cracking near high-stress crush points.
Every 500 h
  • Remove and inspect the main pivot pins for scoring, out-of-round wear, or bushing bore elongation.
  • Check grease purge for metal content as an early indicator of pin or bushing wear.
  • Inspect the cylinder mounting pins and check the cylinder for internal drift (jaw creep) under load.
  • Verify rotator drive and seal condition on rotating-head units and replenish rotator gear lubricant if equipped.
Every 1,000 h
  • Replace pivot pins and bushings that exceeded clearance limits at prior inspections.
  • Replace jaw cutting edges and blade sets that have reached their wear limit.
  • Pressure-test the tool's hydraulic cylinder for internal bypass and external leakage under carrier system pressure.
  • Inspect the rotator seal package for scheduled replacement in high-cycle demolition duty.
Every 2,000 h
  • Perform a full teardown inspection of the jaw pivot assembly, bushings, and thrust washers.
  • Inspect the jaw frame and mounting ears for fatigue cracking; magnetic-particle inspect high-stress areas in heavy-cycle service.
  • Rebuild or replace the hydraulic cylinder seal kit.
  • Evaluate the rotator gear drive and seal assembly for full rebuild.
Every 4,000 h
  • Evaluate the jaw frame and mounting structure for a full structural rebuild or retirement decision.
  • Replace the hydraulic cylinder assembly if repeated seal kit rebuilds no longer hold pressure.
  • Rebuild the rotator gearbox and seal package as a complete unit on rotating-head tools.
  • Re-machine or replace pivot bores that have worn beyond bushing oversize limits.

Servicing the VHC-30 beyond the schedule

Predictive Maintenance & Fluid Analysis

The VHC-30 has no engine, ECM, or independent hydraulic tank, so predictive care centers on the carrier excavator's auxiliary circuit and the tool's own wear points. Watch grease purge color and metal content at the main pivot pin for early bushing wear, check cylinder seal drainage for contamination, and monitor carrier hydraulic oil condition since crushing loads route through the excavator's shared system. Trending pivot clearance and cylinder drift over time flags bushing or seal failure before jaw creep or pin seizure occurs.

Corrective & Common Repairs

Most VHC-30 repairs are wear-driven, not failure-driven. Jaw cutting edges and blade sets dull or chip from repeated concrete and rebar cycles and get replaced or re-indexed. Pivot pins and bushings wear oversize from crushing shock loads and are pressed out and renewed as a set. Cylinder rod seals weep after repeated full-stroke closures under the tool's rated closing force and need reseal. On rotating-head units the hydraulic rotator seal package is the most common leak point requiring teardown.

Overhaul & Rebuild Points

Overhaul on the VHC-30 focuses on the pivot assembly and jaw frame rather than a powertrain teardown. A full rebuild replaces pivot pins, bushings, and thrust washers together, renews the cylinder seal kit, and inspects the jaw frame and mounting ears for fatigue cracking from repeated high-force closures near the tool's rated closing load. Rotating-head units also need a full rotator gearbox and seal rebuild. Structural weld repair on the frame should only follow Cat work-tool repair procedures given the concentrated crush loads at the jaw.

Seasonal & Environment Servicing

Cold-weather service centers on Cat MPGM moly grease, rated roughly -15 to 140 C (5 to 284 F), which stays serviceable at winter pivot temperatures without hardening; check grease purge more often in freezing conditions since reduced flow can mask pin wear. In hot, dusty demolition or recycling yard work, clear concrete dust and rebar debris from the pivot and rotator housing daily so packed material does not abrade seals, and flush grease fittings more frequently to purge contaminated grease before it scores the pins.

VHC-30 attachments & work tools

Crusher jaw assembly

VHC-30 is itself a hydraulic crusher work tool, not a carrier machine. It uses a jaw-type crushing head for reducing reinforced concrete on demolition and recycling jobs. It is the smallest of a four-size Cat/Verachtert hydraulic crusher lineup (VHC-30, VHC-40, VHC-50, VHC-60) that scales up jaw size and force for progressively larger carriers.

Cutting edges and jaw wear parts

The jaw carries replaceable cutting edges (teeth) that take the abrasive wear from rebar and concrete. Factory service literature covers cutting-edge removal and installation and crusher-jaw removal as routine wear-item service, done well before the jaw structure itself is affected.

Hydraulic rotator and housing

The crusher head is carried on an integrated hydraulic rotator housing giving continuous rotation, so the jaw can be indexed to any angle without repositioning the carrier's boom or stick. The rotator and its housing are serviced as their own assembly, separate from the jaw and cutting edges.

Carrier mounting

The tool pins onto the stick/dipper of a compatible excavator through its rotator housing bracket, sized to the VHC-30's place in the size range (VHC-30 is matched to smaller-to-mid excavator carriers, with VHC-40/50/60 stepping up for larger carriers). Exact carrier weight-class and pin-center figures are not published in available dealer literature for this size; confirm carrier match with a dealer before ordering a bracket.

Auxiliary hydraulic supply

As a hydraulically powered work tool, VHC-30 draws its crushing and rotation function from the carrier's auxiliary (work-tool) hydraulic circuit rather than an onboard power source. A carrier without a factory or field-installed auxiliary hydraulic kit (dedicated supply/return lines and in-cab control) cannot run the tool; flow and pressure must be matched to the tool by the dealer for the specific carrier.

Guarding and daily inspection

Factory operation and maintenance documentation for this tool includes a daily inspection routine, work-tool installation/removal procedure, a defined transport position, and bushing lubrication points at the pin and rotator joints. This is standard practice for the class rather than a VHC-30-specific option, and is consistent across the VHC-30/40/50/60 family.

All VHC-30 assemblies by section

Every catalogued assembly group for the Caterpillar VHC-30. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Hydraulic System
339-2852 Cylinder & Valve Gp
14***51Elbow Group1
14***92Elbow; (-12 Orfs/-12 Orfs Swivel)2
15***46Seal1
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339-1843 Cylinder & Valve Gp
14***51Elbow Group1
14***92Elbow; (-12 Orfs/-12 Orfs Swivel)2
15***46Seal1
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341-3990 Cylinder & Valve Gp
14***51Elbow Group1
14***52Elbow As.2
15***18Lockwasher2
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342-7060 Cylinder & Valve Gp
14***06Bolt-Socket Head; (M20x2.5x140-mm)5
14***51Elbow Group1
15***18Lockwasher2
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172-2205 Cylinder Gp-Hydraulic
09***48Nipple, Grease1
16***16Seal1
16***41Bushing2
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222-8827 Cylinder Gp-Hydraulic
09***48Nipple, Grease1
16***16Seal1
16***87Bushing2
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222-8829 Cylinder Gp-Hydraulic
09***48Nipple, Grease1
09***06Bolt-Socket Head; (M16x2x80-mm)24
16***16Seal1
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171-8124 Cylinder Gp-Hydraulic
09***48Nipple, Grease1
14***84Bolt-Socket Head; (M20x2.5x110-mm)22
16***16Seal1
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177-5044 Lines Gp-Connecting
17***44Lines Group-Connecting1
17***36Hose As2
7K***81Strap-Pressure & Return Hoses To4
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244-6794 Lines Gp-Connecting
09***70Bolt-Socket Hd; (M12 X 1.75 X 45)8
1P***04Seal - Rectangular (45mm Dia)2
1P***67Flange-Half (43.31 mm Id)4
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177-5129 Lines Gp-Connecting
12***40Fitting As-Hydraulic; (Quick Disconnect, Male)2
17***29Lines Group-Connecting1
17***45Hose As2
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248-6178 Lines Gp-Connecting
17***22Hose As2
24***78Lines Group-Connecting1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain2
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239-9252 Lines Gp-Connecting
23***52Lines Group-Connecting1
25***45Hose As2
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain2
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244-6795 Lines Gp-Connecting
09***70Bolt-Socket Hd; (M12 X 1.75 X 45)16
1P***04Seal - Rectangular (45mm Dia)4
1P***67Flange-Half (43.31 mm Id)8
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239-9251 Lines Gp-Connecting
1P***04Seal - Rectangular (45mm Dia)2
1P***67Flange-Half (43.31 mm Id)4
23***81Hose As2
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177-5026 Lines Gp-Connecting
12***40Fitting As-Hydraulic; (Quick Disconnect, Male)2
17***26Lines Group-Connecting1
17***33Hose As2
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244-6796 Lines Gp-Connecting
09***70Bolt-Socket Hd; (M12 X 1.75 X 45)16
1P***04Seal - Rectangular (45mm Dia)4
1P***67Flange-Half (43.31 mm Id)8
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246-1429 Lines Gp-Connecting
13***59Hose As2
24***29Lines Group-Connecting1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain2
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234-5669 Lines Gp-Connecting
1P***04Seal - Rectangular (45mm Dia)2
1P***67Flange-Half (43.31 mm Id)4
23***69Lines Group-Connecting1
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244-3138 Lines Gp-Connecting
23***69Lines Group-Connecting1
24***38Lines Group-Connecting1
24***60Lines Group-Connecting1
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246-1430 Lines Gp-Connecting
24***44Hose As2
24***30Lines Group-Connecting1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain2
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233-2992 Lines Gp-Connecting
14***40Adapter; (Straight) (-8 Orb X -8 Orfs)2
15***94Adapter As2
15***44Seal1
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177-5019 Lines Gp-Connecting
17***19Lines Group-Connecting1
17***20Hose As2
7K***81Strap-Pressure & Return Hoses To4
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177-5046 Lines Gp-Connecting
17***20Hose As2
17***46Lines Group-Connecting1
5K***90Seal-To Hydraulic Cooler Inlet Port2
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247-6860 Lines Gp-Connecting
18***53Hose As2
24***60Lines Group-Connecting1
6V***98Seal-O-Ring -Line From Gear Pump Output2
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177-5024 Lines Gp-Connecting
17***20Hose As2
17***24Lines Group-Connecting1
1P***04Seal - Rectangular (45mm Dia)1
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244-3135 Lines Gp-Connecting
17***46Lines Group-Connecting1
24***35Lines Group-Connecting1
24***30Lines Group-Connecting1
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244-6792 Lines Gp-Connecting
24***92Lines Group-Connecting1
24***94Lines Group-Connecting1
24***97Lines Group-Connecting1
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244-6793 Lines Gp-Connecting
24***93Lines Group-Connecting1
24***95Lines Group-Connecting1
24***98Lines Group-Connecting1
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244-3127 Lines Gp-Connecting
17***24Lines Group-Connecting1
24***27Lines Group-Connecting1
24***29Lines Group-Connecting1
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233-2155 Lines Gp-Connecting
23***55Lines Group-Connecting1
23***91Lines Group-Connecting1
23***92Lines Group-Connecting1
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244-6797 Lines Gp-Connecting
18***53Hose As2
24***97Lines Group-Connecting1
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244-3139 Lines Gp-Connecting
14***68Hose As2
24***39Lines Group-Connecting1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain2
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177-5023 Lines Gp-Connecting
17***20Hose As2
17***23Lines Group-Connecting1
1P***04Seal - Rectangular (45mm Dia)2
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246-1431 Lines Gp-Connecting
09***70Bolt-Socket Hd; (M12 X 1.75 X 45)8
1P***04Seal - Rectangular (45mm Dia)2
1P***67Flange-Half (43.31 mm Id)4
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244-3126 Lines Gp-Connecting
24***26Lines Group-Connecting1
24***39Lines Group-Connecting1
24***96Lines Group-Connecting1
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177-5021 Lines Gp-Connecting
12***40Fitting As-Hydraulic; (Quick Disconnect, Male)2
17***21Lines Group-Connecting1
17***22Hose As2
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233-2991 Lines Gp-Connecting
15***95Adapter As2
15***46Seal1
1P***67Flange-Half (43.31 mm Id)4
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244-6798 Lines Gp-Connecting
18***68Hose As2
24***98Lines Group-Connecting1
3K***60Seal Pilot Manifold On; Seal To Boom Check Valve Drain2
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244-3136 Lines Gp-Connecting
23***69Lines Group-Connecting1
24***36Lines Group-Connecting1
24***78Lines Group-Connecting1
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170-2174 Manifold Gp-Control
14***20Bolt-Socket Head; (M6x1x75-mm)4
17***74Manifold Group-Control1
7Y***19Seal-O-Ring (Id=12.37mm)2
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170-2172 Motor & Manifold Gp-Rotator
17***72Motor & Manifold Group-Rotator1
17***73Motor Group-Gerotor1
17***74Manifold Group-Control1
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216-7650 Motor Gp-Gerotor
17***73Motor Group-Gerotor1
17***76Ring-Mounting1
17***77Gear-Drive; (15-Teeth)1
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170-2173 Motor Gp-Gerotor
17***73Motor Group-Gerotor1
17***21Kit-Housing1
17***22Shaft-Output1
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320-1326 Motor Gp-Gerotor
17***73Motor Group-Gerotor1
17***74Manifold Group-Control1
17***77Gear-Drive; (15-Teeth)1
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329-4200 Rotator Gp-Hydraulic
09***73Bolt; (Socket Head) (M12x1.75x60mm)16
12***24Seal-O-Ring; (12.37mm Id)4
14***73Lockwasher8
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319-2123 Rotator Gp-Hydraulic
08***72Seal-O-Ring1
14***70Elbow, 90°,-8 Orb Swiv. /-8 Orfs2
15***94Adapter As6
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171-7526 Rotator Gp-Hydraulic
03***43Seal-O-Ring1
09***48Nipple, Grease1
14***70Elbow, 90°,-8 Orb Swiv. /-8 Orfs2
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265-6468 Swivel Gp
16***43Seal1
17***57Plug As4
17***14Stator1
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170-3045 Swivel Gp
16***43Seal1
17***45Swivel Group1
17***41Stator1
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208-8451 Valve Gp-Control
13***54Plug As3
20***51Valve Group-Control1
20***87Slack Adjuster Group1
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208-5125 Valve Gp-Speed Control
09***01Bolt-Socket Head; (M8x1.25x40-mm)4
17***55Seal-O-Ring2
20***74Bolt-Socket Head; (M16x2x55-mm)8
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170-3229 Valve Gp-Speed Control
17***29Valve Group-Speed Control1
17***30Plug6
17***31Valve1
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Service Equipment And Supplies
200-2961 Lock Gp-Shear
20***17Plate-Lock2
20***61Lock Group-Shear1
8T***32Nut (M16 X 2 Thd); (M16x2.00 Thd)2
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200-2960 Lock Gp-Shear
20***16Plate-Lock2
20***60Lock Group-Shear1
8T***32Nut (M16 X 2 Thd); (M16x2.00 Thd)2
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200-2885 Lock Gp-Shear
20***85Lock Group-Shear1
20***86Plate-Lock2
8T***32Nut (M16 X 2 Thd); (M16x2.00 Thd)2
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200-2959 Lock Gp-Shear
20***14Plate-Lock2
20***59Lock Group-Shear1
8T***32Nut (M16 X 2 Thd); (M16x2.00 Thd)2
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318-5939 Plate & Film Gp
11***73Seal; (0.5cm) (X2)0
15***96Film-Notice; (Lift Eye Location)7
24***76Film-Warning; (Do Not Operate, Read Omm)2
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322-4487 Plate & Film Gp
11***73Seal; (0.5cm) (X2)0
15***96Film-Notice; (Lift Eye Location)7
24***76Film-Warning; (Do Not Operate, Read Omm)2
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314-9133 Plate & Film Gp
11***73Seal; (0.5cm) (X2)0
15***96Film-Notice; (Lift Eye Location)7
24***76Film-Warning; (Do Not Operate, Read Omm)2
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323-0388 Plate & Film Gp
11***73Seal; (0.5cm) (X2)0
15***96Film-Notice; (Lift Eye Location)7
24***76Film-Warning; (Do Not Operate, Read Omm)2
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318-5940 Tool Gp
14***08Fitting2
16***86Shim; (1-mm Thk)1
16***88Shim; (1.5-mm Thk)1
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314-9135 Tool Gp
14***08Fitting2
16***18Shim; (1-mm Thk)1
16***19Shim; (1.5-mm Thk)1
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323-0389 Tool Gp
16***92Wrench1
17***03Wrench-T-Handle1
17***04Shim; (1-mm Thk)4
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322-4486 Tool Gp
14***74Fitting As1
14***86Fitting As2
15***44Seal1
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Work Tool Arrangement
329-4746 Pulverizer Ar-Hydraulic
13***55Setscrew; (M4x0.7x8-mm)2
32***72Pulverizer Group1
32***86Tool Group1
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328-9352 Pulverizer Ar-Hydraulic
13***55Setscrew; (M4x0.7x8-mm)2
31***33Plate & Film Group1
31***35Tool Group1
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328-9350 Pulverizer Ar-Hydraulic
13***55Setscrew; (M4x0.7x8-mm)2
31***39Plate & Film Group1
31***40Tool Group1
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329-4747 Pulverizer Ar-Hydraulic
13***55Setscrew; (M4x0.7x8-mm)2
32***87Pulverizer Group1
32***88Plate & Film Group1
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Work Tools
226-4127 Bracket Gp-Mounting
15***19Lockwasher8
16***82Bolt-Socket Head; (M24x3x70-mm)14
22***19Bracket As1
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179-1648 Bracket Gp-Mounting
15***18Lockwasher6
17***46Bracket As1
17***33Cover1
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257-0101 Bracket Gp-Mounting
17***90Bolt-Socket Head; (M20x2.5x70-mm)36
25***01Bracket Group-Mounting1
25***02Bracket Group-Mounting1
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257-0102 Bracket Gp-Mounting
15***18Lockwasher6
17***33Cover1
25***02Bracket Group-Mounting1
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169-4981 Bracket Gp-Mounting
16***81Bracket Group-Mounting1
16***99Bracket As1
16***82Bolt-Socket Head; (M24x3x70-mm)14
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175-0342 Bracket Gp-Mounting
16***82Bolt-Socket Head; (M24x3x70-mm)14
17***42Bracket Group-Mounting1
17***49Bracket As1
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257-1041 Bracket Gp-Mounting
17***90Bolt-Socket Head; (M20x2.5x70-mm)36
25***41Bracket Group-Mounting1
25***47Bracket Group-Mounting1
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291-1777 Bracket Gp-Mounting
15***19Lockwasher8
29***77Bracket Group-Mounting1
29***80Cover1
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209-1776 Bracket Gp-Mounting
13***55Setscrew; (M4x0.7x8-mm)2
16***82Bolt-Socket Head; (M24x3x70-mm)14
20***59Plate-Serial Number1
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169-4978 Bracket Gp-Mounting
16***78Bracket Group-Mounting1
16***97Bracket As1
16***82Bolt-Socket Head; (M24x3x70-mm)14
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253-7830 Bracket Gp-Mounting
09***49Washer; (22x60x6-mm Thk)2
13***55Setscrew; (M4x0.7x8-mm)2
16***82Bolt-Socket Head; (M24x3x70-mm)14
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290-8330 Bracket Gp-Mounting
13***55Setscrew; (M4x0.7x8-mm)2
16***82Bolt-Socket Head; (M24x3x70-mm)14
20***59Plate-Serial Number1
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247-0536 Bracket Gp-Mounting
15***18Lockwasher6
17***33Cover1
24***36Bracket Group-Mounting1
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179-1651 Bracket Gp-Mounting
15***18Lockwasher6
17***33Cover1
17***18Bracket As1
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175-0341 Bracket Gp-Mounting
16***82Bolt-Socket Head; (M24x3x70-mm)14
17***41Bracket Group-Mounting1
17***48Bracket As1
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254-4463 Bracket Gp-Mounting
09***49Washer; (22x60x6-mm Thk)1
16***82Bolt-Socket Head; (M24x3x70-mm)14
20***71Washer; (26x90x8-mm Thk)1
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254-4039 Bracket Gp-Mounting
09***49Washer; (22x60x6-mm Thk)1
13***55Setscrew; (M4x0.7x8-mm)2
16***82Bolt-Socket Head; (M24x3x70-mm)14
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231-0474 Bracket Gp-Mounting
13***55Setscrew; (M4x0.7x8-mm)2
15***19Lockwasher8
16***82Bolt-Socket Head; (M24x3x70-mm)14
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169-4976 Bracket Gp-Mounting
16***76Bracket Group-Mounting1
16***96Bracket As1
16***82Bolt-Socket Head; (M24x3x70-mm)14
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185-7339 Bracket Gp-Mounting
17***90Bolt-Socket Head; (M20x2.5x70-mm)36
18***39Bracket Group-Mounting1
19***81Bracket Group-Mounting1
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191-4781 Bracket Gp-Mounting
15***18Lockwasher6
17***33Cover1
18***95Bracket As1
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193-4497 Bracket Gp-Mounting
16***82Bolt-Socket Head; (M24x3x70-mm)14
19***97Bracket Group-Mounting1
20***66Bracket Group-Mounting1
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169-5308 Bracket Gp-Mounting
16***08Bracket Group-Mounting1
16***82Bolt-Socket Head; (M24x3x70-mm)14
17***45Bracket Group-Mounting1
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248-7980 Bracket Gp-Mounting
13***55Setscrew; (M4x0.7x8-mm)2
15***21Lockwasher2
16***82Bolt-Socket Head; (M24x3x70-mm)14
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169-4971 Bracket Gp-Mounting
13***55Setscrew; (M4x0.7x8-mm)2
16***71Bracket Group-Mounting1
16***91Bracket As1
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179-1653 Bracket Gp-Mounting
15***18Lockwasher6
17***33Cover1
17***16Bracket As1
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169-4967 Bracket Gp-Mounting
16***67Bracket Group-Mounting1
16***86Bracket As1
16***82Bolt-Socket Head; (M24x3x70-mm)14
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169-4980 Bracket Gp-Mounting
16***80Bracket Group-Mounting1
16***98Bracket As1
16***82Bolt-Socket Head; (M24x3x70-mm)14
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169-4970 Bracket Gp-Mounting
16***70Bracket Group-Mounting1
16***90Bracket As1
16***82Bolt-Socket Head; (M24x3x70-mm)14
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169-4975 Bracket Gp-Mounting
13***55Setscrew; (M4x0.7x8-mm)2
16***75Bracket Group-Mounting1
16***94Bracket As1
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175-3012 Bracket Gp-Mounting
17***90Bolt-Socket Head; (M20x2.5x70-mm)36
17***12Bracket Group-Mounting1
17***53Bracket Group-Mounting1
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175-0340 Bracket Gp-Mounting
17***90Bolt-Socket Head; (M20x2.5x70-mm)36
17***40Bracket Group-Mounting1
17***49Bracket Group-Mounting1
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179-1646 Bracket Gp-Mounting
15***18Lockwasher8
16***97Plate-Cover1
17***45Bracket As1
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224-2477 Bracket Gp-Mounting
17***90Bolt-Socket Head; (M20x2.5x70-mm)36
22***77Bracket Group-Mounting1
22***78Bracket Group-Mounting1
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201-9466 Bracket Gp-Mounting
15***18Lockwasher8
16***97Plate-Cover1
20***66Bracket Group-Mounting1
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257-1047 Bracket Gp-Mounting
15***18Lockwasher6
17***33Cover1
25***47Bracket Group-Mounting1
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179-1647 Bracket Gp-Mounting
15***18Lockwasher8
16***19Bracket As1
16***97Plate-Cover1
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246-9991 Bracket Gp-Mounting
13***55Setscrew; (M4x0.7x8-mm)2
17***90Bolt-Socket Head; (M20x2.5x70-mm)36
20***59Plate-Serial Number1
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169-4974 Bracket Gp-Mounting
16***74Bracket Group-Mounting1
16***93Bracket As1
16***82Bolt-Socket Head; (M24x3x70-mm)14
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185-7340 Bracket Gp-Mounting
17***90Bolt-Socket Head; (M20x2.5x70-mm)36
18***40Bracket Group-Mounting1
19***85Bracket Group-Mounting1
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175-0339 Bracket Gp-Mounting
17***90Bolt-Socket Head; (M20x2.5x70-mm)36
17***39Bracket Group-Mounting1
17***48Bracket Group-Mounting1
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224-2478 Bracket Gp-Mounting
15***18Lockwasher6
17***33Cover1
22***78Bracket Group-Mounting1
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175-0338 Bracket Gp-Mounting
16***82Bolt-Socket Head; (M24x3x70-mm)14
17***38Bracket Group-Mounting1
17***46Bracket Group-Mounting1
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255-0001 Bracket Gp-Mounting
16***82Bolt-Socket Head; (M24x3x70-mm)14
20***71Washer; (26x90x8-mm Thk)2
25***01Bracket Group-Mounting1
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175-3014 Bracket Gp-Mounting
17***90Bolt-Socket Head; (M20x2.5x70-mm)36
17***14Bracket Group-Mounting1
17***51Bracket Group-Mounting1
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179-1649 Bracket Gp-Mounting
15***18Lockwasher6
17***47Bracket As1
17***33Cover1
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275-7645 Bracket Gp-Mounting
16***82Bolt-Socket Head; (M24x3x70-mm)14
27***44Bracket As1
27***45Bracket Group-Mounting1
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276-7982 Bracket Gp-Mounting
16***82Bolt-Socket Head; (M24x3x70-mm)14
27***82Bracket Group-Mounting1
27***83Bracket As1
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179-1645 Bracket Gp-Mounting
15***18Lockwasher8
16***18Bracket As1
16***97Plate-Cover1
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193-9166 Bracket Gp-Mounting
17***90Bolt-Socket Head; (M20x2.5x70-mm)36
19***66Bracket Group-Mounting1
19***33Bracket Group-Mounting1
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169-5307 Bracket Gp-Mounting
16***07Bracket Group-Mounting1
16***82Bolt-Socket Head; (M24x3x70-mm)14
17***47Bracket Group-Mounting1
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191-4785 Bracket Gp-Mounting
15***18Lockwasher6
17***33Cover1
18***96Bracket As1
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169-4969 Bracket Gp-Mounting
16***69Bracket Group-Mounting1
16***89Bracket As1
16***82Bolt-Socket Head; (M24x3x70-mm)14
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169-5311 Bracket Gp-Mounting
16***11Bracket Group-Mounting1
16***16Bracket As1
16***82Bolt-Socket Head; (M24x3x70-mm)14
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193-9233 Bracket Gp-Mounting
17***33Cover1
19***67Bracket As1
19***33Bracket Group-Mounting1
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299-0293 Bracket Gp-Mounting
13***55Setscrew; (M4x0.7x8-mm)2
16***82Bolt-Socket Head; (M24x3x70-mm)14
29***93Bracket Group-Mounting1
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328-9349 Pulverizer Gp
15***18Lockwasher10
15***21Lockwasher6
15***22Lockwasher10
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323-0387 Pulverizer Gp
15***21Lockwasher6
16***77Lockwasher10
16***42Tooth10
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322-4472 Pulverizer Gp
15***18Lockwasher8
15***21Lockwasher6
15***22Lockwasher10
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328-9351 Pulverizer Gp
14***75Bolt; (M20x2.5x75-Thd)6
15***18Lockwasher10
15***21Lockwasher6
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VHC-30 serial number reference

On Cat hydraulic crushers like the VHC-30, the identification plate is a small riveted or bolted metal tag mounted on the main body/frame of the tool, usually near the mounting bracket or top link area rather than on the jaw itself. The plate shows the full Product Identification Number; the first three letters are the prefix identifying the model and manufacturing sequence, and the digits that follow are the individual unit's sequence number.

PrefixIdentifies
WPAVHC-30 hydraulic crusher

Frequently asked questions

What engine does the Caterpillar VHC-30 use?

None. The VHC-30 is a passive hydraulic work tool with no engine, ECM, or fuel system of its own. It runs entirely off the carrier excavator's auxiliary hydraulic circuit, so its power comes from whatever flow and pressure the host machine's engine and hydraulic pump supply. Any engine fault codes seen on a job belong to the carrier excavator, not the tool.

What is the operating weight of the Caterpillar VHC-30?

About 1,950 kg (4,300 lb) for the fixed-jaw configuration and about 1,970 kg (4,343 lb) for the rotating-head version. Weight varies slightly with the mounting bracket and jaw configuration ordered.

What replaced the Caterpillar VHC-30?

There is no documented one-for-one successor. The VHC-30 name carried over largely unchanged from the Verachtert VHC 30 H after Caterpillar's 1998 acquisition of Verachtert's Den Bosch plant. Caterpillar's current small-class pulverizer and multi-processor work tool lines occupy this segment today, but they are separate product families rather than a formal replacement for the VHC-30.

What VHC-30 owners discuss

Is the VHC-30 a self-powered machine, or does it depend on the excavator?
The VHC-30 has no engine, no ECM, and no onboard power source of its own. It is a jaw-type hydraulic crusher work tool that hangs off the excavator's stick and runs entirely on the carrier's auxiliary hydraulic circuit. Jaw open/close force, cycle speed, and rotation (on rotator-equipped setups) all come from the host machine's pump flow and pressure. Owners sometimes assume a sluggish jaw means a tool fault, but the first place to look is carrier hydraulic output and hose/coupler condition, not the crusher itself.
What wears out first on a VHC-30 in daily demolition use?
Community consensus across jaw-crusher and pulverizer users generally: the jaw tips and cutting edges take the brunt of concrete and rebar work and show visible rounding or chipping well before anything structural fails. Right behind that are the pivot pins and bushings at the jaw hinge and cylinder clevis points, which develop play from grit intrusion and inconsistent greasing. Operators who grease the pivot points every shift, not just weekly, report noticeably longer bushing life than those on a loose schedule.
The tool rotates sluggishly or drifts when the rotator isn't commanded. What's going on?
On rotator-equipped configurations, that symptom pattern usually points to a worn rotator seal package inside the hydraulic swivel. As the seals harden or take a set from heat and fine concrete dust, oil starts to cross-leak between ports internally, which shows up as the head creeping on its own or feeling soft/spongy when you try to hold a position. It is a wear item, not a defect, and gets worse gradually rather than failing all at once. Because it involves opening a pressurized rotating union and setting seal preload correctly, have your dealer verify and perform the rotator seal replacement rather than doing it in the field.
Owners on forums mention the jaw feels underpowered on some carriers and too aggressive on others with the same tool. Why?
This is a hydraulic matching issue, not a VHC-30 defect. The crusher is sized to a specific carrier weight class and needs the auxiliary circuit flow and relief pressure set within the tool's design window. Running it on a carrier with too little flow gives a slow, weak-feeling jaw; too much flow or pressure set too high accelerates wear on the cylinder, pins, and jaw casting and can overstress the mounting bracket. This is why Cat ties each VHC-series size to a defined carrier operating-weight range rather than leaving it open-ended — mixing a VHC-30 onto an oversized excavator's circuit is a recurring "why did my pins wear out so fast" complaint.
Are there quirks specific to the VHC-30 versus the larger VHC-40/50/60 siblings?
The family shares the same basic jaw-and-cylinder architecture and running gear, but each size has its own jaw opening, crushing force, and weight rating matched to a different excavator class — the VHC-30 sits at the light end of the lineup. Don't assume pin, bushing, or cylinder specs carry over between sizes; even though the tools look similar, wear parts and hydraulic settings are sized per model. Community reports on this family are thin online because it's an older, mid-size niche tool, so when documentation is sparse, cross-check against the specific VHC-30 manual rather than borrowing a 40/50/60 figure.
The cylinder rod on my VHC-30 has visible scoring. Is that normal wear or a problem?
Some surface marking on an exposed crusher cylinder rod is common because the tool works face-down in rubble and dust with the rod partially exposed during the crushing stroke. Light scoring that doesn't grab the rod wiper or seal is generally treated as cosmetic. Deeper gouges are a different story — they will cut the rod seal on every stroke and lead to a weeping or dripping cylinder that gets worse fast. If you see anything deeper than a light scuff, or you're already seeing oil film on the rod after a cycle, have your dealer verify seal condition and rod surface before it turns into a full reseal or rod replacement job.
What should I check before buying a used VHC-30?
Cycle the jaw fully open and closed several times and watch for hesitation, uneven jaw travel, or knocking at the pivot — that points to worn pins/bushings or internal cylinder wear. Check for crack lines or weld repairs around the mounting bracket and jaw ears, common stress points on any demolition jaw tool. Inspect jaw tips and cutting edges for uneven wear (can indicate a bent frame or misaligned jaw). If it's rotator-equipped, rotate the head under load and feel for drift, hesitation, or leakage at the swivel — a sign of aging rotator seals. Look at hose and quick-coupler condition since these tools get swapped between carriers often. Finally, ask for service/grease records; a tool greased on schedule with documented pin/bushing replacements is worth more than one with no history, regardless of hour meter (crusher attachments don't track hours the way the carrier does, so paperwork and visual wear tell the real story).

Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.

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