Caterpillarwork toolshear-demolition/scrap

Caterpillar VHS-70/3

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar VHS-70/3 is a fixed-jaw hydraulic demolition and scrap shear, the largest work tool in the Verachtert-built VHS-10 through VHS-70 family Cat sold as excavator attachments. It carries no engine, ECM, or onboard electronics of its own - it is a passive tool that draws all working power from the carrier excavator's hydraulic circuit, rated around 350 bar and up to roughly 690 l/min flow depending on the carrier's pump configuration. Operating weight for this /3 generation runs about 8.6 t (8,600 kg / 18,960 lb), with a jaw opening near 880 mm (34.6 in). Cat/Verachtert literature sizes it to excavators in roughly the 85 to 95 t class when pinned direct to the stick, or a smaller 50 to 65 t class when mounted further out on the boom. The base VHS-70 (also marked M) dates to 1997-2000; this /3 spec generation followed in the 2000s with its own weight, flow, and carrier-class figures; a later /4 generation (shared parts lineage with the VHS-60/4) followed around 2010-2012.

Across VHS-70 generations, the headline changes are operating weight, jaw geometry, and the recommended carrier weight class - each generation carries its own serial-prefix block, and specs and blades do not automatically carry across them, so matching the dataplate designation matters when sourcing parts. No confirmed factory successor model is documented specifically for the VHS-70/3; Cat's current lineup covers this segment with its S-series straight shears, but no source ties a direct model-to-model succession record to this exact unit, unlike some other VHS-family members. Cat has since moved away from the VHS naming entirely for new-production shears. That makes surviving VHS-70/3 units a fixed, non-replenished population: used examples still do heavy demolition and scrap work today, and parts sourcing depends on identifying the exact serial-prefix generation rather than assuming any VHS-70 documentation applies across the board.

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-70/3 specifications

Engine

Power source	No onboard engine or ECM. Passive hydraulic work tool, driven entirely by the carrier excavator's own hydraulic system.
Emissions tier	Not applicable - no engine fitted.

Weights

Operating weight	8.6 t (8,600 kg; 18,960 lb)
Recommended carrier class, stick-mounted	85 to 95 t (187,000 to 209,000 lb) excavator class
Recommended carrier class, boom-mounted	50 to 65 t (110,000 to 143,000 lb) excavator class

Dimensions

Overall height (H, per manufacturer diagram)	4,500 mm (177.2 in)
Overall depth (D, per manufacturer diagram)	2,060 mm (81.1 in)
Overall width (S, per manufacturer diagram)	900 mm (35.4 in)

Performance

Jaw opening	880 mm (34.6 in)
Jaw closing/cutting force	approximately 1,290 t (2,844,000 lbf) - single-source figure, verify with dealer
Jaw opening time	approximately 4.8 seconds
Jaw closing time	approximately 2.9 seconds
Max working pressure, open/close circuit	350 bar (5,076 psi)
Optimal oil flow, open/close circuit	690 l/min (182 US gal/min)
Rotation	Fixed-jaw tool - no rotation function. (Rotating Cat/Verachtert shear work is handled by the separate VTS line, not VHS.)

Service capacities (summary)

Fuel, engine oil, coolant	Not applicable - the tool has no engine, so it carries no fuel tank, engine oil, or cooling system.
Hydraulic system	No dedicated onboard reservoir. Runs on the carrier excavator's hydraulic supply; see Performance group for rated flow and pressure.

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

VHS-70/3 fluids & capacities

System	Capacity	Recommended fluid
Engine crankcase (with filter)	Not applicable	VHS-70/3 is a passive hydraulic demolition shear with no onboard engine. No engine oil chart exists for this work tool.
Cooling system	Not applicable	No engine, so no cooling system or coolant spec applies to this work tool.
Fuel tank	Not applicable	No engine, so no fuel tank or fuel spec applies to this work tool.
Transmission / powertrain compartments	Not applicable	Passive attachment with no powertrain; no transmission oil chart exists for this model.
Final drives (each)	Not applicable	No final drives on this work tool.
Axles / differentials	Not applicable	No axles or differentials on this work tool.
Hydraulic system (shear circuit)	No dedicated onboard reservoir. The shear has no oil tank of its own; it draws hydraulic power from the carrier excavator's auxiliary/attachment circuit, so the effective capacity is the carrier machine's hydraulic tank capacity, not a figure specific to the shear.	Use the hydraulic oil grade and viscosity specified in the carrier excavator's own Operation and Maintenance Manual (typically Cat HYDO Advanced or equivalent anti-wear hydraulic oil, viscosity graded by ambient-temperature band per the carrier's chart). Reported working-pressure and flow demand for opening/closing on this shear size class varies by source: 350 bar max for the open/close circuit, and open/close flow figures reported in the 500-700 l/min range depending on carrier pump configuration and series; treat flow numbers as varying by configuration/series rather than a fixed spec.
Grease (pivot pins, blade bolts, rotator bearing)	Spec only, no volume figure documented for this model.	General Cat attachment guidance calls for an NLGI Grade 2 extreme-pressure grease (Cat Prime Application Grease or equivalent moly-fortified EP grease) at pin and pivot points, applied at the interval set by usage severity. This has not been confirmed against a VHS-70/3-specific lubrication chart; verify grease type and interval against the work tool's own OMM or dealer guidance before servicing.

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

Caterpillar VHS-70/3 maintenance schedule

Service interval	Tasks
Every 10 h	Visually inspect cutting blades/jaw edges for cracks, chips, or excessive rounding before starting work Grease jaw pivot pins and cylinder clevis pins slowly until fresh grease purges at each seal Check hydraulic hoses and quick-connect fittings near the jaw for cuts, abrasion, or seepage Inspect mounting bracket pins and bushings for play; knocking or rocking during a cut signals bracket wear Confirm hose-burst/load-holding valves at the cylinder ports show no external leakage Wipe down the dataplate area and check for visible cracks around the jaw pivot and mounting ears
Every 250 h	Torque-check all hydraulic fitting connections and hose clamps on the shear body; retighten any backed off from vibration Measure pin-to-bushing clearance at the jaw pivot and cylinder clevis against the wear-limit tolerance for this frame size Inspect the cylinder rod for scoring, pitting, or seal weep; wipe clean and cycle the jaw fully to check for smooth travel Check cutting-blade edge condition and index or flip the blade before it wears through Inspect mounting bracket ears and pivot bosses for surface cracks or repair welds
Every 500 h	Remove and inspect pivot pins and bushings showing measurable play; replace pin and bushing together, never the pin alone Flip or index cutting blades if not already done at 250 hours to present a fresh edge Inspect hydraulic hoses routed near the jaw for heat-cycling damage and abrasion; replace any hose with visible cover damage Check the cylinder gland and rod seals for active leakage under load; have a dealer inspect if leaking Verify the carrier's auxiliary circuit flow and pressure at the shear's quick-connects match the rated spec, since a mismatched aux kit shows up as slow-cycle symptoms first
Every 1,000 h	Run a full pin and bushing wear survey across every pivot point (jaw, cylinder clevis, mounting bracket); replace any pair beyond wear tolerance Replace cutting blades once both reversible edges are worn through Check the cylinder for internal leakage (drift test) in addition to external rod/gland condition; send to a dealer for reseal if drift exceeds spec Inspect and, if needed, resurface or shim mounting bracket ears and pin bores to remove accumulated play Re-torque all structural fasteners on the jaw and mounting bracket to factory spec
Every 2,000 h	Complete a teardown inspection of the jaw pivot assembly - pins, bushings, thrust washers, retaining hardware - replacing worn items as a set Inspect jaw and frame weldments for fatigue cracking around the pivot and mounting-ear high-stress points, especially on units worked in rebar-heavy demolition Rebuild or replace hydraulic cylinders showing rod scoring, seal wear, or drift beyond tolerance Replace all hydraulic hoses on the shear regardless of visible condition given age-related hardening at this interval Verify the carrier's relief valve settings still match this shear's rated pressure and flow, particularly after a change of carrier
Every 4,000 h	Perform full structural NDT (dye-penetrant or magnetic-particle) inspection of the jaw, frame, and mounting bracket welds at every high-stress point Rebuild or replace jaw cylinders and re-machine or replace pin bores that have worn oversize Replace all pivot pins and bushings as a complete set regardless of measured play, resetting the wear baseline Recondition exposed structural surfaces after inspection to protect against corrosion-driven crack initiation Review service and grease records against actual working hours to confirm the shear has not been run past its rated carrier weight class, which accelerates structural fatigue

Servicing the VHS-70/3 beyond the schedule

Predictive maintenance & fluid analysis

The VHS-70/3 has no reservoir of its own, so predictive care centers on the carrier's hydraulic system and this shear's wear points rather than an onboard fluid program. Sample the carrier's hydraulic oil on its normal schedule, since shear duty cycles push heat and contamination through that same circuit. Track jaw opening/closing cycle time against the roughly 2.9-second rated close - a creeping cycle time flags carrier pump wear, a clogging filter, or an internal cylinder leak before it turns into a stall. Log pin and bushing clearance at each service to catch wear trending early.

Corrective & common repairs

Most VHS-70/3 repairs trace to three spots: jaw pivot pins and bushings loosening from skipped greasing, cylinder rod seals weeping after scoring or pitting, and cutting-edge wear from rebar-heavy demolition debris. A shear that closes slow or stalls mid-cut usually points to the carrier's aux flow or pressure falling short of the roughly 350-bar/high-flow spec, not a fault in the shear itself. Blades are reversible - flip before replacing. Replace worn pin/bushing pairs together, never the pin alone, or the new pin wears the old bushing prematurely.

Overhaul & rebuild points

Overhaul centers on the jaw pivot assembly and cylinders, the two areas carrying full cutting load. Expect pin-bore wear at the jaw and mounting-bracket ears on units worked past their rated 85-95 t stick-mount carrier class, plus cylinder reseal or rebore once rod scoring exceeds tolerance. Inspect the jaw and frame castings for fatigue cracking at high-stress points before committing to a full rebuild, since cracked structure undercuts the value of new pins and blades. Match replacement pins and bushings to the /3-generation dataplate, not general VHS-70 parts.

Seasonal & environment servicing

Cold weather thickens the carrier's hydraulic oil, slowing VHS-70/3 jaw cycle times until the carrier warms through its normal circuit - follow the carrier's cold-start warm-up procedure rather than assuming the shear itself is at fault. On hot, dusty demolition sites, grease pivot points more often, since heat thins the grease film and abrasive dust accelerates pin and bushing wear. After wet or corrosive scrap-yard exposure, wash accumulated debris from the pivot and mounting-bracket area so grit does not work into the pin bores during the next cut.

VHS-70/3 attachments & work tools

Carrier excavator class

Cat/Verachtert literature places the VHS-70/3 on large excavators in roughly the 50 to 95 tonne class, with separate weight bands for stick-mount versus boom-mount use. Sources disagree on which band applies to which mount type, so treat the split as varies by configuration/document and confirm exact carrier fit with the dealer before ordering.

Mounting bracket and coupler system

The shear ships as a bolt-on mounting-bracket group that pins to the excavator stick or boom, matched to the VHS-70/3 by serial-prefix range. It is not a self-contained rotating tool; where a quick coupler is used, it pairs with Verachtert wedge-lock (CW-series) couplers that span roughly 1.5 to 90 tonne carrier classes, mechanical or hydraulic actuation.

Jaw and cutting blades

Jaw opening is about 880 mm (34.6 in) with a closing force in the roughly 1,290-tonne class at the tip. Cutting blades/edges are replaceable wear items and most can be indexed or flipped to present multiple fresh cutting edges before replacement, reducing downtime versus a one-edge blade.

Hydraulic circuit requirements

Jaw open/close circuit runs at a high working pressure, cited around 350 bar in factory literature, with a high-flow auxiliary requirement (sources cite a figure near 690 l/min for this frame size, which varies by carrier pump configuration). The carrier's auxiliary hydraulic kit and relief settings must be matched to the shear before installation; confirm exact flow/pressure with the dealer for the specific carrier pairing.

Guarding and wear protection

As with other large mobile shears in this class, jaw cylinders are commonly protected by hose-burst/load-holding check valves so the jaw cannot free-fall on a hose failure. This is standard practice for this shear class rather than a documented VHS-70/3-specific factory option; verify factory-fitted status with the dealer.

All VHS-70/3 assemblies by section

Every catalogued assembly group for the Caterpillar VHS-70/3. 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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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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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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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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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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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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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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Hydraulic System

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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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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321-3765 Cylinder & Lines Gp-Shear

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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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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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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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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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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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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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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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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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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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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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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317-6404 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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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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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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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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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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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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270-3926 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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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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270-3924 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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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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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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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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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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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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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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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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270-7586 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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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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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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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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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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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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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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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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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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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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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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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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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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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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Service Equipment And Supplies

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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327-5368 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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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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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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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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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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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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334-0118 Plate & Film Gp

33***18

Plate & Film Group

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334-0120 Plate & Film Gp

33***20

Plate & Film Group

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251-3560 Plate & Film Gp

25***60

Plate & Film Group

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334-0119 Plate & Film Gp

33***19

Plate & Film Group

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269-4647 Plate & Film Gp

26***47

Plate & Film Group

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Work Tool Arrangement

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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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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334-0116 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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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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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

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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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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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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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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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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199-1258 Bracket Gp-Mounting

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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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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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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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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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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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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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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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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257-0098 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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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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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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257-1047 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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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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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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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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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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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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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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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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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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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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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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257-1041 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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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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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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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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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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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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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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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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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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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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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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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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VHS-70/3 serial number reference

The PIN plate is a riveted or bolted metal tag on the shear body near the top mounting bracket/pivot housing where the tool pins to the excavator stick or quick coupler, since this is a passive work tool rather than a self-propelled machine. Read the 8-character PIN as a 3-character prefix (identifies the model, generation and build arrangement) followed by a 5-digit sequence number for that individual unit within the prefix block.

Prefix	Identifies	Notes
B1Y	VHS-70/3 demolition/scrap shear, 3rd-generation factory work-tool arrangement built to the same parts manual shared with the VHS-30/3, VHS-40/3, VHS-50/3 and VHS-60/3 siblings; passive hydraulic jaw, no engine or ECM of its own	Serial range B1Y00001-UP. Confirmed in a work-tool arrangement parts-catalog entry for a mounting bracket group, filed and indexed specifically under the VHS-70/3 model listing itself (not just co-named as a sibling), which also names the /3-family models sharing the same manual. Single-source; confirm with dealer SIS before committing to a spec sheet. No plant, region, or end-of-range serial published (range is open, 00001-UP).

Frequently asked questions

Does the Cat VHS-70/3 have an engine?

No. The VHS-70/3 is a passive hydraulic work tool with no engine, ECM, fuel tank, or cooling system of its own. It mounts on a carrier excavator's stick or boom and runs entirely off that carrier's hydraulic supply, using a working pressure around 350 bar and flow up to roughly 690 l/min depending on the carrier's pump setup. Any diagnostic fault codes seen on the job come from the carrier's own engine/hydraulic controls, not from the shear.

What is the operating weight of the VHS-70/3?

About 8.6 t (8,600 kg / roughly 18,960 lb) for this /3 spec generation. Cat/Verachtert literature pairs that weight with a jaw opening near 880 mm (34.6 in) and recommends carriers in roughly the 85 to 95 t class for stick-mount use, or 50 to 65 t for boom-mount use. Other VHS-70 generations (the base M and the later /4) carry different weight and carrier-class figures, so confirm the exact generation off the dataplate before relying on a spec sheet.

What replaced the Cat VHS-70/3?

No confirmed factory successor is documented specifically for the VHS-70/3. A later VHS-70/4 generation followed the /3 (sharing parts lineage with the VHS-60/4), and Cat's current catalog covers this size class with its S-series straight demolition and scrap shears, but no source ties a direct, documented model-to-model succession to this exact unit. Treat the segment as covered by later Cat shears in a general sense, not a confirmed one-to-one replacement.

What VHS-70/3 owners discuss

What flow and pressure does the VHS-70/3 need from the carrier, and what happens if the match is off?

The VHS-70/3 is rated for around 350 bar (5,075 psi) working pressure and up to about 690 l/min (182 US gpm) oil flow, giving a closing cycle near 2.9 seconds at full jaw opening. The usual failure pattern on this class of shear holds true here: if the carrier's auxiliary circuit can't reach that flow and pressure, the jaw closes slow, stalls partway through a cut, or won't finish heavy material. Contaminated oil and worn seals cause the same slow-cycle symptom even on a correctly matched carrier, so checking flow and pressure at the excavator's aux circuit is the first diagnostic step before blaming the shear itself.

How does blade/jaw wear typically show up on this shear, and how is it managed?

Cutting edges dull, chip, or round over with use, faster on rebar-heavy demolition debris than on clean structural steel. Blades on this size of shear are reversible or indexable, so the normal service pattern is flipping or rotating the edge before it wears through, then replacing once both edges are gone. Watch for a widening gap between upper and lower blade at the tip - that gap lets material slip through instead of shearing cleanly, and it is the most common complaint owners raise about a tired shear.

What pin and bushing wear should an owner expect, and how is it prevented?

Pivot pins and bushings at the jaw and cylinder clevis take the wear on this attachment. Daily greasing is not optional at this size; skip it and knocking or clunking noise mid-cut plus excess pivot play show up within a few hundred hours. Grease slowly until fresh grease shows at the seal - over-greasing can blow a seal just as easily as under-greasing lets contaminants in. Once play at a pin exceeds what a straightedge or feeler check calls acceptable, replace the pin and bushing as a set, not just the pin.

What hydraulic cylinder and hose issues come up most often?

Rod scoring or pitting shows up as a slow weep past the rod seal, often worse after the cylinder sits idle and goes back to work. Hoses routed near the jaw take abrasion and heat cycling and are the most commonly replaced hydraulic component on a working shear. A kinked or partially blocked hose is a common cause of a shear that suddenly cycles slower than it used to, even with carrier hydraulics otherwise healthy. Any active leak at a cylinder gland or hose fitting should be checked before the tool goes back into service - have your dealer verify cylinder and gland condition if a leak is found.

What should I check on the mounting bracket and carrier fit?

This shear is built for excavators in roughly the 85 to 95 t class when pinned direct to the stick, or 50 to 65 t class when mounted further out on the boom - carrier weight class matters because it sets structural load on the mounting ears, not just the hydraulic match. Worn or oval mounting pin bores let the whole shear rock during a cut, which shows up as vibration and accelerated wear everywhere else on the tool. Confirm ear spacing and pin diameter against the specific carrier before buying or transferring the shear between machines - have your dealer verify bracket fit and carrier weight-class compatibility.

What should I check when buying a used VHS-70/3?

Focus on: how much reversible or replaceable blade edge is left; play in the jaw pivot and cylinder clevis pins; cylinder rod condition (no scoring, no active leaks); hose condition and routing damage; cracks or repair welds around the jaw pivot and mounting ears, the highest-stress points on this size of shear; and grease/service records if available. Also confirm the carrier weight class the shear was actually run on - a shear worked on an undersized carrier for its rated class shows accelerated pin and bracket wear even when the blades still look good. Have your dealer verify structural condition around the pivot and mounting ears before purchase, since cracks there are not always visible on a walk-around.

Does the /3 designation matter when sourcing specs or blades for a VHS-70?

Yes. The VHS-70/3 is a specific spec generation of the VHS-70 shear; earlier and later VHS-70 variants carry different weight, oil-flow, and carrier weight-class figures, so specs and blade fitment do not automatically carry across generations. When comparing a listed VHS-70/3 against other VHS-70 documentation, match the exact designation stamped on the shear's dataplate rather than assuming any general VHS-70 paperwork applies. If the dataplate or history on a used unit is unclear about which generation it is, confirm the exact model and serial before ordering blades or service parts.

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

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