Caterpillarwork toolvibratory compactor

Caterpillar CVP110

Maintenance schedule, common problems & OEM parts breakdown

The CVP110 is a hydraulically-driven vibratory plate compactor work tool built for medium excavators in the 30,000-75,000 lb operating class, matching carriers such as the 320C, 322C, 325B, and 330B, and later the 312, M320, 320, 324, 325, and 330 lines. It carries no engine, ECM, or independent power source of its own; the host machine's auxiliary hydraulic circuit drives the exciter, with the tool requiring 38-42 gpm at 2000-2500 psi to reach full output. At 1052 kg (2319 lb) without its mounting bracket and 110 kN of impulse force at 2200 cycles per minute, it is the largest unit in Cat's vibratory plate compactor lineup, sized above the CVP16, CVP40, and CVP75.

What sets the CVP110 apart is its integral flow/pressure control valve, which regulates carrier hydraulic input so the exciter and gear case aren't overdriven by a mismatched host circuit, and a mounting bracket designed to interchange with Cat's hydraulic hammer line rather than requiring a separate bracket family. A backfill blade option extends its use into trenching and pipe-laying work without swapping tools. In the used and parts market, that carrier-matched bracket and hydraulic kit system is the draw: dealers sell and support it as a matched set with the host excavator's hydraulics, and resale value tracks closely with isolator mount and exciter gear case condition rather than any engine wear, since it has none.

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 CVP110 specifications

Engine

Power source

Not applicable — CVP110 has no engine of its own. It is a hydraulically driven work tool powered entirely by the host carrier's hydraulic system.

Weights

Weight (without mounting bracket)	1052 kg (2319 lb)
Shipping weight	Not separately published — treat as close to the without-bracket weight above; add mounting bracket weight per carrier when ordering.

Dimensions

Base plate width	864 mm (34 in)
Base plate length	1194 mm (47 in)
Compaction area	1.03 m² (11.1 ft²)
Overall transport height/width	Not published in available dealer literature — depends on mounting bracket and host carrier quick-coupler configuration.

Performance

Impulse force	110 kN (24,669 lb)
Impact frequency	2200 cycles per minute (blows/min)
Base plate ground pressure	106.39 kPa (15.43 psi)
Minimum hydraulic flow required from carrier	144 L/min (38 gpm)
Minimum hydraulic operating pressure required from carrier	13,790 kPa (2000 psi)
Maximum hydraulic flow/pressure	Not published in available dealer literature — confirm against host carrier auxiliary hydraulic circuit rating.
Recommended carrier class	Sized for medium hydraulic excavators, generally cited in the 18-24 ton class (backhoe loaders and excavators such as the 307-330 series); confirm fit against the specific carrier's auxiliary hydraulic output.
Gradeability / drawbar / dig / lift force	Not applicable — performance is governed by the host machine, not the attachment itself.

Service capacities (summary)

Fuel tank	Not applicable — no engine on the attachment.
Hydraulic system	Not applicable as a standalone capacity — the CVP110 draws hydraulic flow directly from the host carrier's auxiliary circuit rather than carrying its own reservoir.
Engine oil	Not applicable — no engine on the attachment.
Cooling system	Not applicable — no engine on the attachment; cooling is handled by the host carrier's hydraulic system.

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

CVP110 fluids & capacities

System	Capacity	Recommended fluid
Engine oil	not applicable — attachment has no engine	not applicable — the CVP110 is a hydraulically driven work tool with no engine of its own
Cooling system / coolant	not applicable — attachment has no engine or cooling system	not applicable
Fuel tank	not applicable — attachment has no fuel system	not applicable
Exciter / gear case oil (vibratory housing)	exact fill volume not published in generally available literature for this size class; small enough that oil level is checked with a level/fill plug rather than a dipstick — verify against the OMM for serial prefix CTZ1-Up before servicing	Cat Compactor Oil, ISO viscosity grade 220 — a single wide-range grade (pour point about -42°C/-44°F, flash point about 240°C/464°F) intended to cover both cold and hot ambient use without a separate winter/summer split. The exciter shaft bearings run in a continuous oil bath; oil is drained and refilled through a rear centerline plug, oil change can be done with the compactor still mounted on the host machine
Isolator / mount bushings	not applicable — no grease fitting	not applicable — isolation between the exciter housing and top plate/mounting bracket is by solid rubber bushings, not a greased bearing; no scheduled greasing point
Hydraulic drive circuit	not applicable — the CVP110 has no hydraulic reservoir of its own	runs on the host carrier's own hydraulic oil supply through the host's auxiliary hydraulic circuit; match whatever hydraulic fluid the host excavator or backhoe loader OMM specifies (typically Cat HYDO Advanced 10 or equivalent) — no separate CVP110 hydraulic fluid spec exists
Hose/coupler seals (O-rings, quick-disconnect fittings)	not applicable — no fluid reservoir, wear/seal items only	standard Cat hydraulic O-ring face seal fittings at the hose-to-carrier connection; no distinct Cat-named seal lubricant is called out in publicly available literature — use standard hydraulic assembly lube per host OMM when connecting couplers

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

Caterpillar CVP110 maintenance schedule

Service interval	Tasks
Every 10 h	Inspect isolator rubber mounts for cracking, tearing, or separation from the metal backing plates before daily use. Check the exciter gear case rear plug and shaft seals for oil leaks or seepage. Inspect hydraulic hoses, quick couplers, and fittings for leaks, chafing, or loose connections. Check the base plate and wear edges for cracks, gouges, or excessive wear. Verify mounting bracket bolts and pin retention hardware are tight and undamaged. Confirm the carrier's auxiliary hydraulic flow and pressure settings match the compactor's requirements before startup.
Every 250 h	Check exciter gear case oil level at the fill plug; top off with Cat Compactor Oil ISO VG 220 if low. Inspect isolator mounts closely for early separation, hardening, or permanent set. Torque-check bracket mounting bolts and pin retainers. Clean built-up debris from around the exciter housing and mounting frame.
Every 500 h	Inspect the hydraulic motor shaft seal and gear case input seal for leakage. Check the integral flow/pressure control valve for correct operation and external leakage. Inspect base plate welds and wear plates for cracking; rotate or replace wear edges as needed. Re-torque structural fasteners joining the compactor housing to the base plate.
Every 1,000 h	Drain and refill the exciter gear case with Cat Compactor Oil ISO VG 220 through the rear drain/fill plug. Inspect eccentric weight bearings and the drive shaft for play or abnormal noise. Replace any isolator mounts showing cracking, hardening, or measurable height loss. Inspect hydraulic hoses for age-related hardening or swelling and replace per the carrier's hose-replacement schedule.
Every 2,000 h	Perform a full teardown inspection of the exciter gear case: bearings, gears, and seals. Inspect the base plate for fatigue and resurface or replace it if worn beyond service limits. Check bracket wear bushings and pins for wear beyond allowable limits and replace as needed. Pull a gear case oil sample for analysis to confirm bearing and gear wear trends before the next interval.

Servicing the CVP110 beyond the schedule

Predictive Maintenance & Fluid Analysis

Track exciter gear case oil condition through scheduled sampling, watching for water intrusion or metallic wear particles shed from bearings or gear teeth. Isolator mount stiffness and visible cracking are early warning signs of internal bearing wear before it shows up in an oil sample. Log carrier hydraulic flow and pressure at startup to catch drift before it stresses the flow/pressure control valve. Pairing oil trend data with isolator inspection logs lets a shop plan a gear case teardown before an unplanned failure strands the compactor mid-job.

Corrective & Common Repairs

Isolator rubber mounts are the single most frequent replacement item on the CVP110; swap them at the first sign of cracking, tearing, or permanent compression rather than running them to failure. Hydraulic hose and quick-coupler leaks are the next most common issue, since the tool runs on full carrier flow at high pressure. Base plate wear edges take the brunt of abrasive soil contact and need periodic buildup or replacement. The exciter gear case itself rarely needs repair when oil changes stay on schedule.

Overhaul & Rebuild Points

A full rebuild centers on the exciter gear case: eccentric weight bearings, drive shaft, gears, and seals wear as a set and are best inspected together during a major-interval teardown. Mounting bracket pins and bushings take constant vibration transmitted through the isolator mounts and should be checked for oversize wear at rebuild. Base plate structure and welds get inspected for fatigue cracking. With no engine or ECM on board, overhaul scope stays entirely mechanical and hydraulic, never electronic.

Seasonal & Environment Servicing

Cold starts call for warming the carrier's hydraulic oil before engaging the compactor, since cold, thick oil restricts flow to the exciter and can momentarily starve lubrication. Hot climates and abrasive, sandy soils accelerate isolator mount aging and base plate wear edge loss, shortening replacement intervals. Wet or muddy sites call for more frequent hose and coupler inspection, since submerged fittings corrode and seals degrade faster. Store the compactor with the base plate protected and hydraulic ports capped between seasonal jobs.

CVP110 common service parts

Part number	Part	Notes
212-0787	Cartridge As-Logic Element	Scheduled service item	Check fitment →

Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.

CVP110 attachments & work tools

Carrier compatibility - hydraulic excavators

CVP110 is matched to medium hydraulic excavators in the 30,000-75,000 lb (13,608-34,020 kg) operating weight class. Cat factory compatibility charts list the 320C, 322C, 325B and 330B as recommended carriers, with a later chart broadening coverage to the 312, M320, 320, 324, 325 and 330 model lines; the same weight-class match extends to the later 320D/321D/324D/325D/330D generation.

Carrier compatibility - backhoe loaders

CVP110 is the largest of the compactor line and is positioned above backhoe-loader carriers; Cat's own model-to-machine chart assigns backhoe loaders (416D/420D/430D-class) to the smaller CVP40, not the CVP110. No backhoe loader model is listed as a CVP110 carrier in factory compatibility documentation.

Mounting bracket and coupler system

CVP110 mounts via a Cat compactor bracket that bolts to the carrier's stick/dipper; brackets can be installed at a 90-degree offset to work a trench or slope from one side. The unit accepts Pin-Grabber couplers, dedicated hydraulic quick couplers, or Pin-Lock couplers, so bracket/coupler choice follows the host machine's existing coupler system rather than a compactor-specific coupler.

Hydraulic flow and pressure requirements

Carrier hydraulic circuit must supply 38-42 gpm (144-159 L/min) at 2,000-2,500 psi (13,790-17,237 kPa) for correct operation. An integral pressure/flow control valve is built into the compactor as standard, protecting the motor from over-pressure or over-flow and allowing the same unit to be moved between different carriers without separate hydraulic recalibration.

Bracket and hydraulic kit interchangeability with Cat Hammer line

CVP110 brackets and jumper hydraulic kits are designed to be fully interchangeable with Cat's hydraulic hammer line on the same carrier, so a customer running a Cat hammer on a given excavator can reuse the same bracket/kit family when switching to the CVP110 compactor.

Backfill blade option

An optional bolt-on backfill blade is available for the CVP110, used to push loose material into place during backfilling. The blade can be mounted on either the front or the back of the compactor body depending on work direction.

Hose routing and serviceability

Hydraulic hoses run protected inside the compactor frame with jumper lines routed out the back, keeping lines clear of the plate and out of the way in tight trench work. A rear centerline drain plug allows oil changes to be performed with the compactor still mounted on the carrier.

All CVP110 assemblies by section

Every catalogued assembly group for the Caterpillar CVP110. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Hydraulic System

231-4300 Fitting Gp-Hydraulic

21***93	Hose As	2
21***20	Lines Group-Hydraulic	1
23***00	Fitting Group-Hydraulic	1
3K***60	Seal Pilot Manifold On; Seal To Boom Check Valve Drain	2

See all parts with full part numbers in Heavy Parts AI →

256-0045 Lines Gp-Connecting

21***22	Hose As	2
25***45	Lines Group-Connecting	1
5K***90	Seal-To Hydraulic Cooler Inlet Port	6
6V***84	Elbow-90 Deg Blkh	2

See all parts with full part numbers in Heavy Parts AI →

211-8195 Lines Gp-Connecting

1P***04	Seal - Rectangular (45mm Dia)	2
1P***67	Flange-Half (43.31 mm Id)	4
21***95	Lines Group-Connecting	1
21***88	Hose As	2

See all parts with full part numbers in Heavy Parts AI →

213-0472 Lines Gp-Connecting

1P***04	Seal - Rectangular (45mm Dia)	2
1P***67	Flange-Half (43.31 mm Id)	4
21***72	Lines Group-Connecting	1
25***86	Hose As	2

See all parts with full part numbers in Heavy Parts AI →

255-8487 Lines Gp-Connecting

21***96	Hose As	2
25***87	Lines Group-Connecting	1
5K***90	Seal-To Hydraulic Cooler Inlet Port	4
6V***16	Connector-Seal; (1- 5/16-12)	2

See all parts with full part numbers in Heavy Parts AI →

211-8189 Lines Gp-Connecting

10***01	Fitting; (Quick Disconnect, Female)	1
10***06	Fitting; (Quick Disconnect, Male)	1
21***89	Lines Group-Connecting	1
21***96	Hose As	2

See all parts with full part numbers in Heavy Parts AI →

212-0785 Lines Gp-Connecting

21***85	Lines Group-Connecting	1
21***19	Hose As	2
5K***90	Seal-To Hydraulic Cooler Inlet Port	2
6V***35	Connector-Seal; (1- 5/16-12)	2

See all parts with full part numbers in Heavy Parts AI →

214-4733 Lines Gp-Hydraulic

03***21	Ring-Back-Up	1
09***32	Seal-O-Ring (Id=28.24mm)	1
16***49	Seal-O-Ring; (12.42mm Id)	1
16***54	Seal-O-Ring	1

See all parts with full part numbers in Heavy Parts AI →

213-1820 Lines Gp-Hydraulic

21***20	Lines Group-Hydraulic	1
21***34	Hose As	2
2S***78	Seal-O-Ring (Id=37.47mm)	2
3E***26	Elbow-90 Degree	2

See all parts with full part numbers in Heavy Parts AI →

207-2309 Manifold Gp-Control

03***21	Ring-Back-Up	1
09***32	Seal-O-Ring (Id=28.24mm)	1
16***49	Seal-O-Ring; (12.42mm Id)	1
16***54	Seal-O-Ring	1

See all parts with full part numbers in Heavy Parts AI →

212-3440 Manifold Gp-Control

03***21	Ring-Back-Up	1
1H***23	Packing,Preformed Part Of Kit P/N 5r***25	1
21***40	Manifold Group-Control	1
22***38	Valve Group-Check; (Parking Brake Oil)	1

See all parts with full part numbers in Heavy Parts AI →

222-3779 Manifold Gp-Control

22***79

Manifold Group-Control

See all parts with full part numbers in Heavy Parts AI →

205-9395 Manifold Gp-Control

03***21	Ring-Back-Up	1
09***32	Seal-O-Ring (Id=28.24mm)	1
16***49	Seal-O-Ring; (12.42mm Id)	1
16***54	Seal-O-Ring	1

See all parts with full part numbers in Heavy Parts AI →

Work Tools

212-0789 Blade Gp-Compactor

21***89	Blade Group-Compactor	1
21***90	Blade As	1
21***24	Plate	2
3E***62	Nut-Hard-Self Lock; (3/4unc)	6

See all parts with full part numbers in Heavy Parts AI →

212-3450 Blade Gp-Compactor

21***50	Blade Group-Compactor	1
21***66	Blade As	1
21***24	Plate	2
3E***62	Nut-Hard-Self Lock; (3/4unc)	6

See all parts with full part numbers in Heavy Parts AI →

211-8200 Blade Gp-Compactor

21***00	Blade Group-Compactor	1
21***79	Blade As-Straight	1
21***23	Plate	2
6V***87	Locknut; (M12x1.75-Thd)	6

See all parts with full part numbers in Heavy Parts AI →

222-6443 Blade Gp-Compactor

0S***79	Bolt 5.08 cm(2 In.) Long	2
0S***03	Bolt,Machine Fuel Pump Drive Gear Mounting	2
22***43	Blade Group-Compactor	1
22***02	Plate	1

See all parts with full part numbers in Heavy Parts AI →

305-4984 Bracket Gp-Mounting

18***62	Hose As	1
20***88	Isolator	4
20***90	Frame As	1
20***91	Compactor As	1

See all parts with full part numbers in Heavy Parts AI →

259-1767 Bracket Gp-Mounting

20***54	Bracket As	1
25***67	Bracket Group-Mounting	1
6V***76	Nut-Lock; (M24 X 3.0)	8
7X***54	Bolt; (M24x3.0x110mm)	8

See all parts with full part numbers in Heavy Parts AI →

112-5850 Bracket Gp-Mounting

11***50	Bracket Group-Mounting	1
11***09	Bracket As	1
6V***76	Nut-Lock; (M24 X 3.0)	10
7Y***71	Plate	2

See all parts with full part numbers in Heavy Parts AI →

253-3268 Bracket Gp-Mounting

25***68	Bracket Group-Mounting	1
25***57	Bracket As	1
8T***23	Washer-Plated; (22x35x3.5-mm Thk)	8
8T***31	Nut; (M20x2.5-Thd)	4

See all parts with full part numbers in Heavy Parts AI →

259-1763 Bracket Gp-Mounting

22***31	Bracket As	1
25***63	Bracket Group-Mounting	1
6V***76	Nut-Lock; (M24 X 3.0)	8
7X***54	Bolt; (M24x3.0x110mm)	8

See all parts with full part numbers in Heavy Parts AI →

3q-7608 Bracket Gp-Mounting

16***56	Bracket As	1
3Q***08	Bracket Group-Mounting	1
7X***54	Bolt; (M16x2x70-mm)	12
7X***64	Bolt; (M20x2.5x90-mm)	8

See all parts with full part numbers in Heavy Parts AI →

123-3343 Bracket Gp-Mounting

12***43	Bracket Group-Mounting	1
12***44	Bracket As	1
6V***76	Nut-Lock; (M24 X 3.0)	10
7X***54	Bolt; (M24x3.0x110mm)	10

See all parts with full part numbers in Heavy Parts AI →

112-4833 Bracket Gp-Mounting

11***33	Bracket Group-Mounting	1
11***36	Bracket As	1
6V***76	Nut-Lock; (M24 X 3.0)	10
7Y***71	Plate	2

See all parts with full part numbers in Heavy Parts AI →

3q-7609 Bracket Gp-Mounting

16***57	Bracket As	1
3Q***09	Bracket Group-Mounting	1
7X***54	Bolt; (M16x2x70-mm)	12
8T***23	Washer-Plated; (22x35x3.5-mm Thk)	16

See all parts with full part numbers in Heavy Parts AI →

7q-8466 Bracket Gp-Mounting

16***58	Bracket As	1
7Q***66	Bracket Group-Mounting	1
7X***54	Bolt; (M16x2x70-mm)	12
7X***64	Bolt; (M20x2.5x90-mm)	8

See all parts with full part numbers in Heavy Parts AI →

259-1760 Bracket Gp-Mounting

17***71	Bracket As	1
18***20	Locknut; (M20x2.5-Thd)	8
25***60	Bracket Group-Mounting	1
8T***23	Washer-Plated; (22x35x3.5-mm Thk)	16

See all parts with full part numbers in Heavy Parts AI →

259-1753 Bracket Gp-Mounting

17***68	Bracket As	1
18***20	Locknut; (M20x2.5-Thd)	4
25***53	Bracket Group-Mounting	1
8T***23	Washer-Plated; (22x35x3.5-mm Thk)	8

See all parts with full part numbers in Heavy Parts AI →

129-1545 Bracket Gp-Mounting

12***45	Bracket Group-Mounting	1
12***46	Bracket As	1
6V***76	Nut-Lock; (M24 X 3.0)	10
7X***54	Bolt; (M24x3.0x110mm)	10

See all parts with full part numbers in Heavy Parts AI →

192-4211 Bracket Gp-Mounting

19***11	Bracket Group-Mounting	1
19***92	Bracket As	1
7X***54	Bolt; (M16x2x70-mm)	12
8T***23	Washer-Plated; (22x35x3.5-mm Thk)	16

See all parts with full part numbers in Heavy Parts AI →

259-1759 Bracket Gp-Mounting

18***20	Locknut; (M20x2.5-Thd)	4
24***57	Bracket As	1
25***59	Bracket Group-Mounting	1
8T***23	Washer-Plated; (22x35x3.5-mm Thk)	8

See all parts with full part numbers in Heavy Parts AI →

219-0667 Bracket Gp-Mounting

21***67	Bracket Group-Mounting	1
21***68	Bracket As	1
7X***54	Bolt; (M16x2x70-mm)	12
8T***23	Washer-Plated; (22x35x3.5-mm Thk)	16

See all parts with full part numbers in Heavy Parts AI →

112-4831 Bracket Gp-Mounting

11***31	Bracket Group-Mounting	1
11***42	Bracket As	1
6V***76	Nut-Lock; (M24 X 3.0)	10
7Y***71	Plate	0

See all parts with full part numbers in Heavy Parts AI →

259-1762 Bracket Gp-Mounting

17***73	Bracket As	1
25***62	Bracket Group-Mounting	1
6V***76	Nut-Lock; (M24 X 3.0)	8
7X***54	Bolt; (M24x3.0x110mm)	8

See all parts with full part numbers in Heavy Parts AI →

128-4341 Bracket Gp-Mounting

12***41	Bracket Group-Mounting	1
17***39	Bracket As	1
6V***76	Nut-Lock; (M24 X 3.0)	10
7Y***71	Plate	2

See all parts with full part numbers in Heavy Parts AI →

112-5537 Bracket Gp-Mounting

11***04	Bracket As	1
11***37	Bracket Group-Mounting	1
6V***76	Nut-Lock; (M24 X 3.0)	10
7Y***71	Plate	2

See all parts with full part numbers in Heavy Parts AI →

226-2797 Bracket Gp-Mounting

22***97	Bracket Group-Mounting	1
22***96	Bracket As	1
8T***31	Nut; (M20x2.5-Thd)	8
8T***41	Bolt-Plt; (M20 X 2.5 X 70)	8

See all parts with full part numbers in Heavy Parts AI →

259-1768 Bracket Gp-Mounting

17***74	Bracket As	1
25***68	Bracket Group-Mounting	1
6V***76	Nut-Lock; (M24 X 3.0)	8
7X***54	Bolt; (M24x3.0x110mm)	8

See all parts with full part numbers in Heavy Parts AI →

222-3780 Compactor Gp-Vibratory

22***80	Compactor Group-Vibratory	1
7X***65	Bolt; (M20x2.5x100-mm)	2
8T***31	Nut; (M20x2.5-Thd)	2
8T***39	Washer; (6.0mm Thk)(M21.5x6x45mm)	2

See all parts with full part numbers in Heavy Parts AI →

205-5902 Compactor Gp-Vibratory

0S***29	Bolt (1" Long)	8
19***36	Seal; (85.6mm Od)	1
1J***76	Seal-O-Ring; (202.79mm Id)	1
20***02	Compactor Group-Vibratory	1

See all parts with full part numbers in Heavy Parts AI →

205-5901 Compactor Gp-Vibratory

1K***70	Nut (National Coarse)	32
1P***77	Flange-Half (For Tilt Ports On Valve)	8
20***96	Frame As	1
20***97	Compactor As	1

See all parts with full part numbers in Heavy Parts AI →

205-5900 Compactor Gp-Vibratory

1K***70	Nut (National Coarse)	32
1P***76	Flange-Half (Hose To Pump); Flange-Half (32.54mm Bore)	4
1P***77	Flange-Half (For Tilt Ports On Valve)	4
20***93	Frame As	1

See all parts with full part numbers in Heavy Parts AI →

230-8791 Plate Gp-Stop

15***17	Cap-Dust	1
15***18	Cap-Dust	1
15***94	Coupler As-Quick Disconnect; (Female)(Quick Disconnect)	1
15***95	Fitting As; (Quick Disconnect, Male)	1

See all parts with full part numbers in Heavy Parts AI →

CVP110 serial number reference

The CVP110 has no chassis PIN of its own; its serial plate is riveted to the compactor housing/frame near the top mounting plate (not on the carrier excavator or backhoe loader). The plate reads the attachment model designation CVP110 followed by the serial number; the first three letters are the prefix (build-range code, e.g. CTZ) and the digits that follow are the sequential unit number used to split parts-book coverage by build range.

Prefix	Identifies	Notes
CTZ1-UP	CVP110 vibratory plate compactor, base attachment build range	This is the CVP110's own confirmed serial prefix per the shared CVP16/CVP40/CVP75/CVP110 parts manual, which explicitly assigns A1E1-Up to CVP16, CRT1-Up to CVP40, CSG1-Up to CVP75, and CTZ1-Up to CVP110. Real PIN tags on used CVP110 units for sale also show CTZ-prefix serials. Manifold, compactor-group and mounting-bracket parts are split by this same S/N break within the manual, not by separate carrier-model prefixes.

Frequently asked questions

What powers the CVP110 — does it have an engine?

No. The CVP110 has no engine or ECM of its own. It is a hydraulically-driven work tool that runs entirely off its host excavator's auxiliary hydraulic circuit, requiring 38-42 gpm at 2000-2500 psi to drive the exciter.

What's the operating weight and impulse force of the CVP110?

The CVP110 weighs 1052 kg (2319 lb) without its mounting bracket and delivers 110 kN of impulse force at 2200 cycles per minute, making it the largest unit in Cat's vibratory plate compactor lineup.

What carriers is the CVP110 compatible with, and what would you upgrade to for a bigger job?

It's built for medium excavators in the 30,000-75,000 lb class, including the 320C, 322C, 325B, and 330B, and the later 312, M320, 320, 324, 325, and 330 lines. It's already the largest plate compactor Cat offers, sitting above the CVP16, CVP40, and CVP75, so for compaction demands beyond its range the next step is a dedicated compaction machine rather than a bigger excavator-mounted plate compactor.

What CVP110 owners discuss

What hydraulic flow and pressure does the CVP110 actually need, and what happens if my carrier's aux circuit doesn't match?

Factory circuit is tuned to roughly 38-42 gpm at 2000-2500 psi, with about 2300 psi/40 gpm cited as the baseline setting. A mismatched relief or flow either starves the motor of vibration energy or overdrives it - under-flow shows up as weak, "flat" compaction that looks normal on inspection but doesn't build density in the field, while excess pressure risks blowing seals or shock-loading the isolators. The tool carries its own integral control valve, so it's generally plug-and-play across the excavator classes it's rated for, but the carrier's aux relief and flow should still be dialed to the tool's own spec rather than left at whatever the last attachment used. Have your dealer verify the carrier's auxiliary relief and flow settings against the CVP110 spec plate before first use.

Which carriers can actually run a CVP110?

It sits in the mid-size excavator bracket - dealer fitment guidance places it on carriers in roughly the 30,000-75,000 lb operating-weight range, including wheeled excavator variants in that class, not the mini-excavator end of the plate-compactor lineup. Trying to run it on a carrier below that range typically can't supply enough flow to reach rated impact force, and putting it on something well above that class risks feeding it more pressure than its built-in relief was set for.

The isolator mounts keep tearing - is that normal?

Yes, and it's the most commonly reported wear item on this style of hydraulic plate compactor. The rubber isolator pads decouple the vibrating base plate from the top frame and take the full brunt of the vibration plus any downward crowd force, so they harden and tear under heavy multi-day use. Operators recommend running the tool with the boom essentially floating rather than leaning hard into the plate - crowding doesn't add compaction energy, it just shortens isolator life. Sourcing isolators directly rather than through a general parts counter is often noticeably cheaper. Have your dealer verify isolator condition at each service interval.

How's the exciter/gear case for reliability?

The exciter housing - hardened bearings running in a continuous oil bath - is regarded as the strong point of the design and is largely maintenance-free day to day; it isn't typically the first thing to fail. The wear people actually see in the field is on the isolators and the base plate/wear edges, not the gear case. That said, an oil-bath housing depends on its seals staying intact, so a unit that's been run low on oil or has a weeping seal warrants an oil-condition check. Have your dealer verify exciter case oil level and condition if the unit's history is unknown.

How does the CVP110 stack up against NPK or Allied plate compactors of similar size?

Comparisons in this size class describe NPK units as having a stouter frame with the manifold valving tucked inside for protection, while Allied-style units run an exposed aluminum manifold and a more easily bent upper frame paired with a bolt-on base plate. Cat's compactor is generally seen as the safe, dealer-backed choice for owners already on a Cat carrier since the bracket, hydraulic kit, and control valve are matched to the carrier line and interchange with Cat's own hammer brackets - the trade-off noted is that off-brand units can sometimes be bought cheaper and still hold up fine if the frame and manifold are looked after.

What should I check before buying a used CVP110?

Run it under actual load rather than just cycling it in the air - a unit can look fine sitting still and still barely compact once it's loaded against material. Beyond that: inspect the isolator mounts for cracking, hardening, or tearing since they're usually the first thing to go; check the base plate and wear edges for uneven wear that points to being crowded too hard; check hydraulic fittings and hose runs (routed inside the frame, with jumper lines out the back) for leaks or chafing; and don't trust the hour meter alone - isolator and plate condition can tell a different story than the logged hours. A prebuy inspection before money changes hands is standard advice. Have your dealer verify hydraulic motor and exciter case condition as part of any prebuy inspection.

Does the CVP110 need any special hydraulic plumbing on the carrier, or does it just plug into aux hydraulics?

It runs off a single auxiliary hydraulic circuit with its own onboard control valve, so it doesn't need a dedicated high-flow line or extra plumbing beyond what most mid-size excavators already carry for hammer or attachment work. What trips people up is running it on a carrier whose aux relief and flow were left set for a different tool - the fix is resetting the carrier's relief/flow to the CVP110's own spec rather than assuming any aux circuit will do.

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

Need a specific CVP110 part?

Search live OEM part data, check fitment, and cross-reference alternatives with Heavy Parts AI.

Search parts in the app