Caterpillarwork toolshear-demolition/scrap

Caterpillar VHS-50/3

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar VHS-50/3 is a passive hydraulic demolition and scrap shear work tool, not a self-powered machine — it carries no engine, ECM, or fuel system of its own and runs entirely off the host excavator's auxiliary hydraulic circuit. Built by Verachtert (Cat's longtime OEM shear supplier) as part of the VHS-10/30/40/50/60/70 shear family, this /3-generation unit was produced roughly 2009 to 2012, weighs around 4,000 kg (8,800 lb), and is sized for excavators in the 35 to 60 tonne class. Jaw opening runs about 563 mm (22.2 in) with roughly 703 mm (27.7 in) of jaw depth, an overall length near 3,638 mm (143 in), and a throat cutting force around 6,818 kN (about 766 short tons). It sits below the family's larger VHS-60/3 and VHS-70/3 siblings and succeeds the earlier VHS-50 H (1996-2005), a fixed-jaw unit built to different dimensions on a lighter, roughly 3.6-tonne frame. Configurations across the wider /3 line include boom-mount and stick-mount brackets, and the family's rotating design language — full endless hydraulic rotation on a swivel drive — is documented as standard on the larger /3-generation siblings, though whether that powered rotator is fitted to any given VHS-50/3 unit is not settled and should be confirmed against the specific serial before assuming it.

The shift from the base VHS-50 to the /3 generation brought a smaller jaw opening but a deeper throat and meaningfully higher cutting force, packaged into a heavier unit matched to a wider carrier weight window — the usual VHS-family pattern of trading raw jaw width for more cutting leverage and a broader host-excavator fit as the line matured. In the used and parts market, VHS-50/3 units trade as rugged, Verachtert-engineered attachments with strong parts commonality across the VHS shear family, which keeps replacement blades, pins, bushings, and seals broadly available even though the model itself has been out of production for well over a decade. Values and usable life hinge almost entirely on jaw pivot and mounting-bracket wear, blade condition, and cylinder integrity rather than any powertrain concern, since there is no engine to age out. Cat's later demolition-shear catalog (the S-series line) covers similar tonnage classes today, but no source ties VHS-50/3 directly to a named Cat successor model, so buyers and parts counters should treat it as a standalone, well-proven legacy shear rather than assume a one-to-one replacement exists.

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 VHS-50/3 specifications

Engine

Engine / power source

None. The VHS-50/3 is a passive hydraulic demolition/scrap shear with no onboard engine, ECM, or emissions rating. It has no power source of its own and runs entirely off the host excavator's auxiliary hydraulic circuit.

Weights

Operating weight	About 4,000 kg (8,800 lb) as published for this /3-series configuration. Treat as an approximate class figure — confirm exact weight against the attachment's nameplate, since mount style can shift it.
Ground pressure	Not applicable. This is a mounted excavator attachment, not a self-propelled machine.

Dimensions

Overall length	3,638 mm (143 in)
Jaw opening	563 mm (22.2 in)
Jaw opening depth	703 mm (27.7 in)
Height / width	Not documented for this exact model in available sources — verify with your dealer before planning clearances.

Performance

Cutting/closing force	About 6,818 kN (roughly 766 short tons), measured at the throat / innermost cutting point of the jaw.
Rotation	Not settled for this exact model. Endless (360 degree) hydraulic rotation is documented as standard on the larger VHS-60/3 and VHS-70/3 siblings in this /3-series family, but no source specifically confirms a powered rotator on the VHS-50/3 — verify against the nameplate and serial number before assuming rotation is fitted.
Host carrier weight class	Matched to excavators in roughly the 35 to 60 tonne class.
Travel speed / gradeability	Not applicable. This is a static hydraulic tool with no travel system of its own.

Service capacities (summary)

Fuel tank / engine oil / coolant	Not applicable — the attachment carries no engine, so it has no fuel, engine oil, or coolant capacities of its own.
Hydraulic system	Powered entirely by the host excavator's auxiliary hydraulic circuits (cutting circuit and rotation circuit). Specific flow and pressure requirements for this exact model are not documented in available sources — confirm circuit sizing with your Cat/Verachtert dealer before fitting.

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

VHS-50/3 fluids & capacities

System	Capacity	Recommended fluid
Hydraulic system (shear cylinders, jaw)	No dedicated reservoir on the work tool itself; the VHS-50/3 has no onboard tank capacity to publish. It runs on flow and pressure supplied directly by the carrier excavator's own hydraulic circuit through its high-pressure attachment ports.	No shear-specific fluid spec exists. Oil in the circuit is whatever the host excavator's OMM calls for (typically Cat HYDO Advanced or equivalent, viscosity graded to the carrier's own climate table). The work tool's OMM defers to the carrier machine's fluid recommendations rather than listing its own.
Pivot pins and bushings (grease)	No volume/capacity is specified; lube at each grease fitting per the service interval until purged grease appears at the joint. Ground-level greasing along with the stick and boom pin is typical for this class of shear.	NLGI 2 multi-purpose lithium-complex grease fortified with molybdenum disulfide (Cat Advanced 3Moly Grease or equivalent). One all-season grade is called for; no separate hot/cold viscosity split is published for this attachment class.
Engine crankcase, cooling system, fuel tank, transmission/powertrain, final drives, axles/differentials	Not applicable.	The VHS-50/3 is a passive, carrier-mounted demolition/scrap shear with no engine, no ECM, and no onboard drivetrain. These systems do not exist on the work tool, so its OMM fluids chart does not list them.

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

Caterpillar VHS-50/3 maintenance schedule

Service interval	Tasks
Every 50 h	Grease the jaw pivot pin and both mounting bracket pins at every fitting until clean grease purges at the joint — do this daily, more often in dusty demolition or scrap-yard dirt. Visually check blade/cutting-insert edges for chips, cracking, or rounding before each shift. Inspect hydraulic hoses and fittings at the dual-port carrier hookup for leaks, chafing, or loose clamps. Cycle the jaw fully open and closed and confirm no hesitation, creep, or uneven travel under load. Where a rotator is fitted, wipe the swivel housing clean and look for fresh oil weep.
Every 250 h	Check pin and bushing play at the jaw pivot and both mounting brackets; a knock or side-to-side play means the pin/bushing needs replacing soon. Inspect blade-to-blade clearance and reset it if the shear is tearing or chewing material instead of cutting cleanly. Torque-check mounting bracket bolts and pivot pin retention hardware. Inspect the main housing and pitman-area welds for early fatigue cracking. Where a rotator is fitted, grease the swivel/slew bearing on its own schedule, separate from the jaw pins.
Every 500 h	Pull the jaw pivot pins for a full wear check on pins and bushings; replace any showing scoring or an oversize bore. Hold the jaw partway open under load and watch for creep, an early sign of internal cylinder leak-down. Check how much flip/index life is left on the cutting blades and rotate or replace inserts as needed. Inspect the carrier-side auxiliary circuit feeding the shear — hoses, quick-couplers, and relief-valve setting — for wear or drift.
Every 1,000 h	Remove and inspect all jaw and mounting bushings; replace worn bushings and reseal the pin bores. Pressure-test the shear cylinders for internal leak-down rather than relying on a visual check alone. Where a rotator is fitted, inspect the rotation drive and slew bearing for backlash, and reseal if oil weep was flagged at an earlier interval. Run a full weld inspection of the housing, pitman, and jaw structure and repair any cracking found.
Every 2,000 h	Rebuild the jaw and mounting pivot assemblies as a full set — pins, bushings, and seals together, not one at a time. Overhaul the shear cylinders (seals and rod inspection or replacement) even if no leakage was visible at the last check. Where a rotator is fitted, overhaul or replace the rotation drive motor and slew bearing as a unit. Recondition or replace the jaw housing if cumulative wear or crack findings from prior inspections warrant it.
Every 4,000 h	Treat this as a major rebuild point: strip the shear to the housing, replace all wear bushings and seals, and re-machine or replace worn pin bores. Recoat or repaint the housing and jaw after structural repair to protect against scrap-yard corrosion. Re-certify blade sets and jaw geometry against factory clearance specs before returning the shear to service. Have your dealer confirm whether continued service is more economical than replacement at this point, given the unit's age and duty cycle.

Servicing the VHS-50/3 beyond the schedule

Predictive Maintenance & Fluid Analysis

There's no onboard oil to sample — the VHS-50/3 runs on the carrier's own hydraulic supply, so predictive work means watching the host excavator's aux-circuit oil condition and pressure trend, not the shear itself. Track pivot pin and bushing play at scheduled checks rather than waiting for a knock, log blade wear and flip life over time, and where a rotator is fitted, monitor the swivel housing for early oil weep before it becomes a seal failure. Jaw creep under load is the earliest sign of cylinder leak-down worth trending.

Corrective & Common Repairs

Most repairs on this shear trace to three areas: jaw and mounting pivot pins/bushings wearing loose from dusty demolition or scrap-yard duty, cutting blades chipping or rounding and needing flip or replacement, and hose or fitting wear at the dual-port carrier hookup. A jaw that tears instead of cutting cleanly almost always means blade clearance needs resetting, not a jaw fault. Slow or weak jaw close is usually a carrier aux-flow or relief-valve issue, not a defect in the shear body.

Overhaul & Rebuild Points

Plan a full pivot rebuild — pins, bushings, and seals as a set — once wear checks show bore scoring or oversize play at the jaw or mounting brackets, rather than replacing components piecemeal. Shear cylinders should get a full seal and rod overhaul on a set schedule, since internal leak-down doesn't always show externally. Where a powered rotator is fitted, the slew bearing and rotation drive need their own overhaul cycle, separate from jaw service. Inspect housing and pitman welds for cracking at every major rebuild.

Seasonal & Environment Servicing

Cold weather calls for confirming grease at the jaw and mounting pins still flows and purges properly at the fitting — thickened grease in freezing conditions is a common cause of accelerated pin wear on shears left outdoors. In hot, dusty scrap-yard or demolition environments, grease more frequently than the base interval and keep the swivel seal area (where a rotator is fitted) clear of debris that can abrade the seal. Wash accumulated grit from pivot areas before greasing, not after, to avoid packing abrasive material into the joint.

VHS-50/3 attachments & work tools

Demolition/scrap shear jaw (primary work tool)

The VHS-50/3 is itself a hydraulic demolition and scrap shear jaw, not a carrier that takes other tools — it is the attachment. Jaw opening runs around 560 mm (22 in) with a throat/jaw depth near 700 mm (27.6 in), sized to a cutting-force class in the mid-hundreds of tonnes, well below its larger VHS-60/3 and VHS-70/3 siblings.

Carrier/boom-stick mounting

Fits mid-size excavators via a dedicated boom-mount or stick-mount bracket, matched to the shear's weight class (order-of-magnitude tonnes, lighter than the /60 and /70 members of the same /3 generation). Exact carrier operating-weight window varies by dealer configuration — confirm against the specific excavator stick and counterweight before ordering.

Hydraulic hookup/arrangement

Runs off a dedicated high-pressure auxiliary circuit for jaw open/close, supplied as a factory work tool hydraulic arrangement rather than the base machine's standard service circuit. Dual-port plumbing lets the shear connect regardless of the carrier's hydraulic flow direction, matching the arrangement style used across the wider VHS shear line.

Rotation function

Some /3-generation siblings in this shear family (VHS-60/3, VHS-70/3) are documented with a separate lower-pressure rotation circuit in addition to the main jaw circuit. That rotation feature is not independently confirmed for the VHS-50/3 specifically — treat as unverified for this exact unit and check the nameplate/serial-specific documentation, since the earlier non-/3 VHS-50 in this family is a fixed-jaw, non-rotating unit.

Blade/guarding options

Jaw is fitted with replaceable, wear-resistant cutting blades/inserts rather than a one-piece hardened jaw casting, standard practice for this shear class so blade edges can be renewed without replacing the full jaw body.

All VHS-50/3 assemblies by section

Every catalogued assembly group for the Caterpillar VHS-50/3. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Frame And Body

310-2108 Housing Gp-Shear

09***05	Bolt-Socket Head; (M16x2x100-mm)	8
15***21	Lockwasher	12
16***12	Clip; (Slot)	2
16***13	Clip; (Tab)	2

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226-0714 Housing Gp-Shear

10***40	Plug	1
15***19	Lockwasher	2
15***21	Lockwasher	4
16***22	Elbow; (90-Deg)	2

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318-6212 Housing Gp-Shear

16***16	Seal	1
17***21	Adapter As	1
1P***05	Seal (Check Valve Outlet)	2
24***84	Cylinder Group-Shear	1

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325-6440 Housing Gp-Shear

14***16	Connector Group	1
18***03	Hose As	1
19***85	Hose As	1
1P***04	Seal - Rectangular (45mm Dia)	2

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327-5370 Housing Gp-Shear

14***16	Connector Group	1
16***24	Hose As	1
17***64	Hose As	1
1P***02	Seal-Rectangular 28.83mm(1.136in) Id	2

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317-6006 Housing Gp-Shear

16***16	Seal	1
17***21	Adapter As	1
1P***05	Seal (Check Valve Outlet)	2
22***44	Cylinder Group-Shear	1

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240-5915 Housing Gp-Shear

15***19	Lockwasher	2
15***21	Lockwasher	14
16***12	Clip; (Slot)	2
16***13	Clip; (Tab)	2

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Hydraulic System

318-0062 Cylinder & Lines Gp-Shear

14***16	Connector Group	2
14***51	Elbow Group	1
16***54	Seal	1
17***29	Valve Group-Speed Control	1

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228-8613 Cylinder & Lines Gp-Shear

14***06	Bolt-Socket Head; (M20x2.5x140-mm)	5
20***25	Valve Group-Speed Control	1
22***13	Cylinder & Lines Group-Shear	2
29***38	Cover As	1

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240-5497 Cylinder & Lines Gp-Shear

14***06	Bolt-Socket Head; (M20x2.5x140-mm)	5
20***25	Valve Group-Speed Control	1
24***97	Cylinder & Lines Group-Shear	2
29***44	Cover As	1

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321-3765 Cylinder & Lines Gp-Shear

14***16	Connector Group	2
14***51	Elbow Group	1
16***54	Seal	1
17***29	Valve Group-Speed Control	1

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240-5496 Cylinder & Valve Gp

14***06	Bolt-Socket Head; (M20x2.5x140-mm)	5
20***25	Valve Group-Speed Control	1
24***96	Cylinder & Valve Group	1
32***32	Cylinder Group-Hydraulic	1

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317-5991 Cylinder & Valve Gp

14***06	Bolt-Socket Head; (M20x2.5x140-mm)	5
20***25	Valve Group-Speed Control	1
31***91	Cylinder & Valve Group	1
32***72	Cylinder Group-Hydraulic	1

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227-3768 Cylinder & Valve Gp

14***16	Connector Group	2
14***51	Elbow Group	1
16***54	Seal	1
17***29	Valve Group-Speed Control	1

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321-2531 Cylinder & Valve Gp

16***16	Seal	1
17***21	Adapter As	1
1P***05	Seal (Check Valve Outlet)	2
22***53	Hose As	1

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317-8054 Cylinder & Valve Gp

14***16	Connector Group	1
18***15	Hose As	1
18***16	Hose As	1
1P***03	Seal - Rectangular (31.86mm Id)	2

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327-5371 Cylinder & Valve Gp

09***48	Nipple, Grease	1
16***16	Seal	1
17***23	Plug As	4
17***23	Bushing	2

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318-0061 Cylinder & Valve Gp

09***48	Nipple, Grease	1
09***06	Bolt-Socket Head; (M16x2x80-mm)	24
16***71	Bushing	2
17***36	Bushing	2

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321-2534 Cylinder Gp-Hydraulic

09***48	Nipple, Grease	1
14***84	Bolt-Socket Head; (M20x2.5x110-mm)	22
16***55	Bushing	2
17***45	Piston	1

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317-5993 Cylinder Gp-Hydraulic

16***16	Seal	1
17***23	Plug As	4
17***23	Bushing	2
17***08	Bolt-Socket Head; (M24x3x140-mm)	27

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317-5992 Cylinder Gp-Hydraulic

16***16	Seal	1
17***21	Adapter As	1
1P***05	Seal (Check Valve Outlet)	2
24***02	Hose As	1

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327-5372 Cylinder Gp-Hydraulic

09***48	Nipple, Grease	1
16***87	Bushing	2
17***50	Pin-Spring	1
17***41	Ring-Backup	1

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321-2532 Cylinder Gp-Hydraulic

16***54	Seal	1
17***82	Bolt-Socket Head; (M24x3x150-mm)	29
20***98	Lock	1
20***99	Ring-Half	2

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240-5484 Cylinder Gp-Shear

10***16	Hose As	2
1P***04	Seal - Rectangular (45mm Dia)	4
1P***67	Flange-Half (43.31 mm Id)	4
22***02	Hose As	1

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317-6404 Cylinder Gp-Shear

09***70	Bolt-Socket Hd; (M12 X 1.75 X 45)	16
1P***04	Seal - Rectangular (45mm Dia)	4
1P***67	Flange-Half (43.31 mm Id)	8
22***60	Hose As	2

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317-6403 Cylinder Gp-Shear

16***46	Bar-Clamp	2
16***90	Clip; (Slot)	2
16***91	Clip; (Tab)	2
1P***04	Seal - Rectangular (45mm Dia)	2

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327-5373 Cylinder Gp-Shear

1P***05	Seal (Check Valve Outlet)	4
20***08	Hose As	2
25***89	Hose As	1
25***49	Hose As	1

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227-4144 Cylinder Gp-Shear

09***48	Nipple, Grease	1
16***54	Seal	1
17***82	Bolt-Socket Head; (M24x3x150-mm)	29
20***98	Lock	1

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270-7425 Fitting Gp-Hydraulic

14***59	Hose As	2
27***25	Fitting Group-Hydraulic	1
5P***77	Flange-Half	4
8T***22	Washer-Hard-To Lock Carrier Rollers	8

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270-7586 Lines Gp-Connecting

17***21	Kit-Housing	1
17***22	Shaft-Output	1
17***25	Key-Square	1
27***86	Lines Group-Connecting	1

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270-3925 Lines Gp-Connecting

14***68	Hose As	2
14***45	Connector As	2
27***25	Lines Group-Connecting	1
2M***80	Seal--To Connector Pump Outlet	1

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258-9890 Lines Gp-Connecting

14***45	Connector As	2
24***08	Hose As	2
25***90	Lines Group-Connecting	1
2M***80	Seal--To Connector Pump Outlet	1

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221-0857 Lines Gp-Connecting

22***57	Lines Group-Connecting	1
27***24	Lines Group-Connecting	1
27***25	Lines Group-Connecting	1

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270-3926 Lines Gp-Connecting

24***96	Lines Group-Connecting	1
27***26	Lines Group-Connecting	1
27***85	Lines Group-Connecting	1

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270-3924 Lines Gp-Connecting

27***24	Lines Group-Connecting	1
27***47	Lines Group-Connecting	1
27***48	Lines Group-Connecting	1

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244-6796 Lines Gp-Connecting

21***73	Hose As	2
24***96	Lines Group-Connecting	1
5P***77	Flange-Half	4
8T***22	Washer-Hard-To Lock Carrier Rollers	8

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273-7602 Lines Gp-Connecting

17***73	Motor Group-Gerotor	1
17***76	Ring-Mounting	1
17***77	Gear-Drive; (15-Teeth)	1
27***02	Lines Group-Connecting	1

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302-8171 Lines Gp-Connecting

09***73	Bolt; (Socket Head) (M12x1.75x60mm)	8
12***28	Adaptor - Includes:-	4
12***24	Seal-O-Ring; (12.37mm Id)	4
14***73	Lockwasher	8

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270-4347 Lines Gp-Connecting

1P***04	Seal - Rectangular (45mm Dia)	3
1P***05	Seal (Check Valve Outlet)	1
1P***67	Flange-Half (43.31 mm Id)	2
27***47	Lines Group-Connecting	1

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270-7585 Lines Gp-Connecting

14***20	Bolt-Socket Head; (M6x1x75-mm)	4
17***73	Motor Group-Gerotor	1
17***77	Gear-Drive; (15-Teeth)	1
27***85	Lines Group-Connecting	1

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270-4348 Lines Gp-Connecting

1P***04	Seal - Rectangular (45mm Dia)	2
1P***05	Seal (Check Valve Outlet)	2
27***48	Lines Group-Connecting	1
6V***98	Seal-O-Ring -Line From Gear Pump Output	4

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270-4349 Lines Gp-Connecting

14***20	Bolt-Socket Head; (M6x1x75-mm)	4
27***49	Lines Group-Connecting	1
7Y***19	Seal-O-Ring (Id=12.37mm)	2

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221-0856 Lines Gp-Connecting

14***68	Hose As	2
14***45	Connector As	2
22***56	Lines Group-Connecting	1
2M***80	Seal--To Connector Pump Outlet	1

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170-2174 Manifold Gp-Control

09***73	Bolt; (Socket Head) (M12x1.75x60mm)	16
12***28	Adaptor - Includes:-	4
12***24	Seal-O-Ring; (12.37mm Id)	4
14***73	Lockwasher	8

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318-8396 Motor & Manifold Gp-Rotator

08***72	Seal-O-Ring	1
14***28	Connector Assem.	2
14***35	Connect Group; (Each Includes)	4
14***45	Connector As	4

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216-7650 Motor Gp-Gerotor

16***43	Seal	1
17***57	Plug As	4
17***14	Stator	1
17***16	Ring	1

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170-2173 Motor Gp-Gerotor

08***72	Seal-O-Ring	1
14***28	Connector Assem.	2
14***35	Connect Group; (Each Includes)	4
14***45	Connector As	4

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323-8109 Rotator Gp-Hydraulic

09***01	Bolt-Socket Head; (M8x1.25x40-mm)	4
17***55	Seal-O-Ring	2
20***74	Bolt-Socket Head; (M16x2x55-mm)	8
20***51	Valve Group-Control	1

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266-7382 Rotator Gp-Hydraulic

13***54	Plug As	3
20***87	Slack Adjuster Group	1
20***88	Valve Group-Control	1
20***90	Plug As	1

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314-9134 Rotator Gp-Hydraulic

17***30	Plug	6
17***31	Valve	1
17***32	Plug-Screw	2
17***33	Valve-Relief	1

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243-1695 Rotator Gp-Hydraulic

14***09	Plug As-Sto	2
17***42	Rotor	1
17***43	Ring	1
17***44	Plate-Locking	1

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318-8397 Swivel Gp

14***86	Fitting As	2
15***44	Seal	1
17***77	Fitting As; (Quick Disconnect, Male)	4
20***62	Lock Group-Shear	1

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265-6468 Swivel Gp

14***86	Fitting As	2
15***44	Seal	1
17***77	Fitting As; (Quick Disconnect, Male)	4
20***62	Lock Group-Shear	1

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208-8451 Valve Gp-Control

16***15	Ring-Adjustment	1
20***51	Valve Group-Control	1
31***60	Pipe	1
32***78	Template	1

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170-3229 Valve Gp-Speed Control

17***29	Valve Group-Speed Control	1
20***41	Washer; (21x63.5x22-mm Thk)	2
24***85	Ring	1
24***86	Wrench; (Lock, 140)	1

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208-5125 Valve Gp-Speed Control

20***41	Washer; (21x63.5x22-mm Thk)	2
20***25	Valve Group-Speed Control	1
24***86	Wrench; (Lock, 140)	1
24***76	Wrench; (Lock, 160)	1

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Service Equipment And Supplies

317-8059 Kit-Maintenance

31***59	Kit-Maintenance	1
8T***32	Nut (M16 X 2 Thd); (M16x2.00 Thd)	2
8T***75	Bolt; (M16x2x90-mm)	1
9X***57	Washer-Pipe As To Main Pump Suction Port	2

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325-6438 Kit-Maintenance

15***96	Film-Notice; (Lift Eye Location)	3
19***28	Plate-Identification	2
22***69	Film-Warning; (Do Not Operate, Read Omm)	2
24***18	Film-Warning; (Crush Hazard, Stay Back)	2

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226-0718 Kit-Maintenance

19***01	Adjusting Ring	1
22***18	Kit-Maintenance	1
32***80	Template	1
32***82	Pipe	1

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240-5914 Kit-Maintenance

16***93	Ring-Adjustment	1
24***14	Kit-Maintenance	1
31***60	Pipe	1
32***86	Template	1

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327-8979 Kit-Maintenance

13***55	Setscrew; (M4x0.7x8-mm)	2
23***60	Film-Notice; (Lift Eye Location)	4
24***76	Film-Warning; (Do Not Operate, Read Omm)	2
31***21	Film-Warning; (Crush Hazard, Stay Back, Hand), Name-Plate (Reserve Tank Led)	2

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327-5368 Kit-Maintenance

15***96	Film-Notice; (Lift Eye Location)	3
19***28	Plate-Identification	2
22***69	Film-Warning; (Do Not Operate, Read Omm)	2
24***18	Film-Warning; (Crush Hazard, Stay Back)	2

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327-8983 Kit-Maintenance

13***55	Setscrew; (M4x0.7x8-mm)	2
23***60	Film-Notice; (Lift Eye Location)	4
24***76	Film-Warning; (Do Not Operate, Read Omm)	2
31***21	Film-Warning; (Crush Hazard, Stay Back, Hand), Name-Plate (Reserve Tank Led)	2

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200-2962 Lock Gp-Shear

13***55	Setscrew; (M4x0.7x8-mm)	2
20***62	Lock Group-Shear	1
23***60	Film-Notice; (Lift Eye Location)	4
24***76	Film-Warning; (Do Not Operate, Read Omm)	2

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269-4647 Plate & Film Gp

26***47

Plate & Film Group

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334-0120 Plate & Film Gp

33***20

Plate & Film Group

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334-0119 Plate & Film Gp

33***19

Plate & Film Group

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251-3560 Plate & Film Gp

25***60

Plate & Film Group

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334-0118 Plate & Film Gp

33***18

Plate & Film Group

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Work Tool Arrangement

334-0116 Shear Ar-Hydraulic

31***90	Shear Ar-Hydraulic	1
31***59	Kit-Maintenance	1
33***16	Shear Ar-Hydraulic	1
33***19	Plate & Film Group	1

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317-5990 Shear Ar-Hydraulic

31***08	Housing Group-Shear, Flexible Hose	1
31***34	Rotator Group-Hydraulic	1
31***90	Shear Ar-Hydraulic	1

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334-0117 Shear Ar-Hydraulic

31***27	Shear Group-Hydraulic	1
32***79	Kit-Maintenance	1
33***17	Shear Ar-Hydraulic	1
33***20	Plate & Film Group	1

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334-0115 Shear Ar-Hydraulic

31***11	Shear Group-Hydraulic	1
32***83	Kit-Maintenance	1
33***15	Shear Ar-Hydraulic	1
33***18	Plate & Film Group	1

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251-3559 Shear Ar-Hydraulic

22***13	Shear Group-Hydraulic	1
22***18	Kit-Maintenance	1
25***59	Shear Ar-Hydraulic	1
25***60	Plate & Film Group	1

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269-4646 Shear Ar-Hydraulic

24***12	Shear Group-Hydraulic	1
24***14	Kit-Maintenance	1
26***46	Shear Ar-Hydraulic	1
32***68	Kit-Maintenance	1

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Work Tools

254-5861 Bracket Gp-Mounting

16***82	Bolt-Socket Head; (M24x3x70-mm)	46
25***61	Bracket Group-Mounting	1
25***62	Bracket Group-Mounting	1
8T***67	Washer-Hard; (26x44x4-mm Thk)	46

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222-8508 Bracket Gp-Mounting

17***90	Bolt-Socket Head; (M20x2.5x70-mm)	36
22***08	Bracket Group-Mounting	1
22***13	Bracket Group-Mounting	1
8T***23	Washer-Plated; (22x35x3.5-mm Thk)	36

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269-7527 Bracket Gp-Mounting

15***18	Lockwasher	8
19***96	Cover	1
26***27	Bracket Group-Mounting	1
26***28	Bracket As	1

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199-1259 Bracket Gp-Mounting

17***90	Bolt-Socket Head; (M20x2.5x70-mm)	36
19***58	Bracket Group-Mounting	1
19***59	Bracket Group-Mounting	1
8T***23	Washer-Plated; (22x35x3.5-mm Thk)	36

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257-4110 Bracket Gp-Mounting

16***82	Bolt-Socket Head; (M24x3x70-mm)	46
25***09	Bracket Group-Mounting	1
25***10	Bracket Group-Mounting	1
8T***67	Washer-Hard; (26x44x4-mm Thk)	46

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271-0111 Bracket Gp-Mounting

16***82	Bolt-Socket Head; (M24x3x70-mm)	42
27***11	Bracket Group-Mounting	1
27***79	Bracket Group-Mounting	1
8T***67	Washer-Hard; (26x44x4-mm Thk)	42

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362-8489 Bracket Gp-Mounting

15***21	Lockwasher	3
23***74	Bushing	10
25***68	Plate-Wear	1
31***93	Edge-Cutting	2

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269-7525 Bracket Gp-Mounting

16***82	Bolt-Socket Head; (M24x3x70-mm)	44
26***25	Bracket Group-Mounting	1
26***27	Bracket Group-Mounting	1
8T***67	Washer-Hard; (26x44x4-mm Thk)	44

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180-1286 Bracket Gp-Mounting

17***90	Bolt-Socket Head; (M20x2.5x70-mm)	36
18***86	Bracket Group-Mounting	1
19***94	Bracket Group-Mounting	1
8T***23	Washer-Plated; (22x35x3.5-mm Thk)	36

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257-0098 Bracket Gp-Mounting

17***90	Bolt-Socket Head; (M20x2.5x70-mm)	36
25***98	Bracket Group-Mounting	1
25***99	Bracket Group-Mounting	1
8T***23	Washer-Plated; (22x35x3.5-mm Thk)	36

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282-2864 Bracket Gp-Mounting

22***63	Shim; (1-mm Thk)	4
22***64	Shim; (1.5-mm Thk)	4
22***67	Edge-Cutting	2
23***74	Bushing	14

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247-0536 Bracket Gp-Mounting

15***18	Lockwasher	6
17***33	Cover	1
24***36	Bracket Group-Mounting	1
8T***36	Capscrew; (Hex Hd) (M10 X 1.50 X 25l Gr 10.9)	6

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246-9991 Bracket Gp-Mounting

13***55	Setscrew; (M4x0.7x8-mm)	2
17***90	Bolt-Socket Head; (M20x2.5x70-mm)	36
20***59	Plate-Serial Number	1
24***91	Bracket Group-Mounting	1

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282-2863 Bracket Gp-Mounting

22***62	Shim; (1-mm Thk)	4
22***63	Shim; (1-mm Thk)	4
22***64	Shim; (1.5-mm Thk)	4
22***66	Edge-Cutting	2

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257-1047 Bracket Gp-Mounting

15***18	Lockwasher	6
17***33	Cover	1
25***47	Bracket Group-Mounting	1
25***48	Bracket As-Mounting	1

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363-7700 Bracket Gp-Mounting

14***78	Lockwasher	3
17***93	Bolt-Socket Head; (M20x2.5x80-mm)	3
22***49	Plate-Wear	1
23***05	Edge-Cutting	2

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257-4109 Bracket Gp-Mounting

15***28	Bearing-Sleeve	2
15***19	Lockwasher	16
17***61	Cover	2
25***08	Bracket As	1

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257-0102 Bracket Gp-Mounting

15***18	Lockwasher	6
17***33	Cover	1
25***02	Bracket Group-Mounting	1
25***03	Bracket As-Mounting	1

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272-4879 Bracket Gp-Mounting

15***18	Lockwasher	8
19***96	Cover	1
27***79	Bracket Group-Mounting	1
27***80	Bracket As	1

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257-0101 Bracket Gp-Mounting

17***90	Bolt-Socket Head; (M20x2.5x70-mm)	36
25***01	Bracket Group-Mounting	1
25***02	Bracket Group-Mounting	1
8T***23	Washer-Plated; (22x35x3.5-mm Thk)	36

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175-0339 Bracket Gp-Mounting

17***90	Bolt-Socket Head; (M20x2.5x70-mm)	36
17***39	Bracket Group-Mounting	1
17***48	Bracket Group-Mounting	1
8T***23	Washer-Plated; (22x35x3.5-mm Thk)	36

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193-9094 Bracket Gp-Mounting

15***19	Lockwasher	16
17***61	Cover	2
19***94	Bracket Group-Mounting	1
19***95	Bracket As	1

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257-1041 Bracket Gp-Mounting

17***90	Bolt-Socket Head; (M20x2.5x70-mm)	36
25***41	Bracket Group-Mounting	1
25***47	Bracket Group-Mounting	1
8T***23	Washer-Plated; (22x35x3.5-mm Thk)	36

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179-1648 Bracket Gp-Mounting

15***18	Lockwasher	6
17***46	Bracket As	1
17***33	Cover	1
17***48	Bracket Group-Mounting	1

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270-1912 Bracket Gp-Mounting

16***82	Bolt-Socket Head; (M24x3x70-mm)	44
27***12	Bracket Group-Mounting	1
27***13	Bracket Group-Mounting	1
8T***67	Washer-Hard; (26x44x4-mm Thk)	44

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257-0099 Bracket Gp-Mounting

15***18	Lockwasher	6
17***33	Cover	1
25***99	Bracket Group-Mounting	1
25***00	Bracket As-Mounting	1

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222-8513 Bracket Gp-Mounting

14***90	Bearing-Sleeve; (140.26mm Od)	2
15***19	Lockwasher	16
17***61	Cover	2
22***13	Bracket Group-Mounting	1

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270-1913 Bracket Gp-Mounting

15***18	Lockwasher	8
19***96	Cover	1
27***13	Bracket Group-Mounting	1
27***14	Bracket As	1

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199-1258 Bracket Gp-Mounting

13***17	Bearing-Sleeve; (116.23mm Od)	2
15***19	Lockwasher	16
17***61	Cover	2
19***57	Bracket As	1

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254-5862 Bracket Gp-Mounting

14***90	Bearing-Sleeve; (140.26mm Od)	2
15***18	Lockwasher	16
17***61	Cover	2
25***62	Bracket Group-Mounting	1

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282-0532 Bracket Gp-Mounting

10***96	Bearing-Sleeve	2
13***55	Setscrew; (M4x0.7x8-mm)	2
15***19	Lockwasher	16
16***82	Bolt-Socket Head; (M24x3x70-mm)	46

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227-3769 Edge Gp-Cutting

15***21	Lockwasher	3
22***69	Edge Group-Cutting	1
23***74	Bushing	10
25***69	Plate-Wear	1

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322-1929 Edge Gp-Cutting

31***34	Rotator Group-Hydraulic	1
31***12	Housing Group-Shear	1
32***29	Edge Group-Cutting	1

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317-8040 Edge Gp-Cutting

31***06	Housing Group-Shear	1
31***40	Edge Group-Cutting	1
32***09	Rotator Group-Hydraulic	1

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240-6810 Edge Gp-Cutting

22***14	Housing Group-Shear	1
24***10	Edge Group-Cutting	1
26***82	Rotator Group-Hydraulic	1

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315-0192 Edge Gp-Cutting

24***15	Housing Group-Shear	1
24***95	Rotator Group-Hydraulic	1
31***92	Edge Group-Cutting	1

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318-6211 Shear Gp-Hydraulic

09***05	Bolt-Socket Head; (M16x2x100-mm)	8
15***19	Lockwasher	2
15***21	Lockwasher	28
16***12	Clip; (Slot)	2

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325-6439 Shear Gp-Hydraulic

15***19	Lockwasher	2
15***21	Lockwasher	4
16***41	Bushing	2
16***07	Lock Pin	8

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327-5369 Shear Gp-Hydraulic

15***19	Lockwasher	2
15***21	Lockwasher	2
17***15	Bushing	2
17***21	Lock As	1

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226-0713 Shear Gp-Hydraulic

22***13	Shear Group-Hydraulic	1
26***82	Rotator Group-Hydraulic	1
32***40	Housing Group-Shear	1

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317-8027 Shear Gp-Hydraulic

15***19	Lockwasher	2
15***21	Lockwasher	30
16***12	Clip; (Slot)	2
16***13	Clip; (Tab)	2

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240-5912 Shear Gp-Hydraulic

24***12	Shear Group-Hydraulic	1
24***95	Rotator Group-Hydraulic	1
32***70	Housing Group-Shear	1

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Frequently asked questions

What engine does the Caterpillar VHS-50/3 have?

None. The VHS-50/3 is a passive hydraulic demolition and scrap shear work tool with no engine, ECM, or fuel system of its own. It runs entirely off the auxiliary hydraulic circuit of the host excavator it's mounted to.

What is the operating weight of the VHS-50/3?

About 4,000 kg (8,800 lb) for this /3-generation configuration. Treat this as an approximate class figure, since mounting bracket style can shift the exact weight — confirm against the attachment's nameplate for precise figures.

What replaced the Caterpillar VHS-50/3?

No source documents a direct, named successor for this exact model. The VHS-50/3 generation ran roughly 2009 to 2012; Cat's demolition-shear lineup today is sold under its own S-series shear badge in a similar tonnage class, but no record ties VHS-50/3 to a specific S-series model as its formal replacement. Verify current cross-reference options with your Cat dealer.

What VHS-50/3 owners discuss

What do operators say about how the VHS-50/3 behaves on the hydraulic side?

It has no pump, valve, or power source of its own — everything runs off the carrier's auxiliary high-pressure circuit. Confirm the host excavator's aux flow and pressure actually fit a shear rated around 6,818 kN (roughly 766 short tons) of throat cutting force before working it hard on heavy sections. Slow jaw close or a weak bite on thick material almost always traces back to undersized aux flow or a marginal relief-valve setting on the carrier, not a fault in the shear body itself. A properly matched setup gives full jaw stroke and a clean, square cut with no hesitation.

What wear patterns show up first on this class of shear?

The mounting pivot (boom or stick bracket) and the jaw pivot pin and bushing wear first, in that order, and daily greasing matters more than any other single maintenance habit — more often in dusty demolition or scrap-yard conditions. Knock or side-to-side play felt at the main pivot means the pin and bushing need replacing before the housing bore itself wears oversize. Housing welds around the pivot and pitman area are also worth a periodic visual check for fatigue cracking on units with heavy hours.

What's the consensus on blade and jaw maintenance?

Cutting blades are replaceable wear inserts, not part of the main jaw casting, so they're meant to be renewed rather than the jaw ground down. Check edges daily for chips, cracking, or rounding, and most shops flip or index blades to get more than one usable edge out of a set before scrapping them. Blade-to-blade clearance should be checked and reset on a schedule — wide clearance is the usual cause of a shear that tears or chews material instead of cutting it cleanly.

Does the VHS-50/3 rotate, and what should I watch on the swivel/rotation drive?

Treat this carefully. The earlier, non-/3 VHS-50 is a fixed-jaw unit with no rotation, and full 360-degree continuous rotation is documented as standard only on the larger /3-generation siblings in this shear family. Whether a given VHS-50/3 unit was built with a powered rotation/swivel drive is not clearly documented and appears to vary by configuration and build date. Where a rotator is fitted, treat the swivel seal and slew bearing as their own wear item separate from the jaw, greased on their own interval, and watch for oil weep at the swivel housing as an early leak sign. Have your dealer verify whether a specific serial number actually includes powered rotation before assuming it does.

What engine-related quirks should I expect on the VHS-50/3?

None on the shear itself — this is a passive hydraulic work tool with no engine, ECM, or fault-code system of its own. There's nothing to diagnose on the attachment side beyond hydraulics and mechanical wear. Anything that looks like a power or performance complaint is really a host-carrier hydraulic output issue: check the excavator's auxiliary pump condition, relief-valve setting, and control-valve response before suspecting the shear.

Are there electrical or sensor issues owners report?

The shear carries no sensors, wiring, or control electronics of its own. Problems blamed on the attachment usually turn out to be the host machine's auxiliary-circuit solenoid valve, joystick aux-control programming, or a loose or corroded aux-circuit connector. If the jaw won't open, close, or feather smoothly, check the carrier's aux hydraulic controls first before assuming a fault in the shear.

What should I check before buying a used VHS-50/3?

Hold the jaw partway open under load and watch for creep, which points to internal cylinder leak-down. Check pin and bushing play at both the mounting bracket and the jaw pivot. Inspect blade wear, chipping, and how much flip life is left on the cutting edges. Look over the main housing and pitman-area welds for fatigue cracking, a known weak point on this shear class after heavy hours. Check hose and fitting condition at the dual-port hookup, and confirm the PIN/serial plate is legible and matches the paperwork. Have your dealer run a full function and pressure check before you commit to the purchase.

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

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