Caterpillar CVP75
Maintenance schedule, common problems & OEM parts breakdown
The Cat CVP75 is a hydraulic vibratory plate compactor work tool, not a self-powered machine. It has no engine, ECM, transmission, or undercarriage of its own; it mounts to the stick of a Cat excavator in the 311-M318 HEX class and draws its power entirely from the host carrier's auxiliary hydraulic circuit. It delivers 74 kN (16,508 lbf) of impulse force at roughly 2,200 cycles per minute through a 737 x 1,092 mm (29 x 43 in) base plate, covering about 0.8 m² (8.6 ft²) of compaction area at roughly 92 kPa (13.33 psi) base plate pressure. The attachment weighs 801 kg (1,765 lb) and needs a minimum 106 L/min (28 gpm) of hydraulic flow and 13,790 kPa (2,000 psi) of pressure from the carrier to operate. Cat identifies it under serial prefix CSG, documented in a shared parts and operation manual alongside the CVP16, CVP40, and CVP110 plate compactors that make up the same work-tool family, scaled to different carrier weight classes.
No documented predecessor or successor exists for the CVP75; unlike Cat's machine lines, this is a fixed work-tool offering without a generation or letter-suffix succession, and no configuration split (different base plate, exciter, or mount option) has surfaced in factory literature. What matters in the used and parts market is condition of the wear items that actually fail: the base plate face, the isolation mounts, the exciter oil-bath seal, and the mounting pins and bushings that tie it to the excavator's stick. Because the CVP75 has no engine or electronics to date or diagnose, its resale and parts value tracks almost entirely to base plate wear, exciter bearing condition, and how well the mounting pins have been maintained. It remains a common trench-compaction and confined-space attachment for contractors running mid-size excavators, and it shares consumables (isolation mounts, exciter oil, hose sets) with its CVP16/CVP40/CVP110 siblings, which keeps parts sourcing straightforward across the family.
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 CVP75 specifications
Engine
| Power source | None onboard. CVP75 is a passive hydraulic vibratory plate compactor attachment with no engine, no ECM, and no fault codes. It runs off the carrier excavator's hydraulic system. |
Weights
| Weight (without mounting bracket or backfill blade) | 801 kg (1,765 lb) |
| Base plate (ground) pressure | 91.9 kPa (13.33 psi) |
Dimensions
| Base plate width | 737 mm (29 in) |
| Base plate length | approx. 1,092 mm (43 in) |
| Base plate (compaction) area | 0.8 m² (8.6 ft²) |
| Carrier compatibility | Sized for the 311 through M318 class hydraulic excavators (factory literature also lists 311C, 312C, 315C, 317B and 318B as compatible carriers for this size class) |
| Compatible carrier operating weight range | approx. 7,258-19,051 kg (16,000-42,000 lb), per factory compactor sizing chart |
Performance
| Impulse (compaction) force | 74 kN (16,508 lbf) |
| Impact frequency | 2,200 cycles/min |
| Required hydraulic flow | 106-121 L/min (28-32 gpm); minimum 106 L/min (28 gpm) |
| Required hydraulic operating pressure | 13,790-17,237 kPa (2,000-2,500 psi); minimum 13,790 kPa (2,000 psi) |
Service capacities (summary)
| Fuel tank | Not applicable - no onboard engine |
| Hydraulic system | No dedicated onboard reservoir; draws flow and pressure directly from the host carrier's hydraulic circuit (integral pressure/flow control valve protects the compactor motor) |
| Engine oil | Not applicable |
| Cooling system | Not applicable |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
CVP75 fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | Not applicable | CVP75 is a passive hydraulic-driven work tool with no onboard engine — it has no crankcase or engine oil system. |
| Cooling system | Not applicable | No engine, radiator, or coolant circuit on this attachment. |
| Fuel tank | Not applicable | No fuel system — the compactor draws power from the carrier machine's hydraulics only. |
| Transmission / powertrain compartments | Not applicable | No transmission or powershift compartments — drive is a direct hydraulic motor into the exciter. |
| Final drives | Not applicable | No final drive assemblies fitted to this work tool. |
| Axles / differentials | Not applicable | No axle or differential assemblies — this is a stationary base-plate attachment, not a mobile chassis. |
| Hydraulic system and tank | No dedicated onboard tank — runs on carrier (host excavator/backhoe) hydraulic supply, minimum flow 28.0 gpm (106 L/min), minimum operating pressure 2,000 psi (13.8 MPa) | Uses whatever hydraulic oil is already in the host carrier's system (per the carrier's own operation and maintenance manual, typically Cat HYDO Advanced or TDTO depending on machine and climate). CVP75 itself has no separate hydraulic reservoir or fluid spec — match carrier flow and pressure output to the tool's minimum requirements. |
| Exciter / gearbox oil bath | Not publicly documented for this exact model — the housing runs a continuous oil bath for the shaft bearings, drained and refilled through a rear centerline plug; check the exciter dipstick/level plug on the unit and confirm exact fill volume with your dealer before servicing | Gear-type lubricant per Caterpillar's compactor operation and maintenance manual — verify exact spec (viscosity grade and brand name) with your dealer, as this was not confirmed across independent public sources. |
| Grease (pivot pins, quick-coupler points) | Apply per lubrication interval chart in the operation and maintenance manual — spec only, no fill volume | Cat Multipurpose Grease — NLGI Grade 2, lithium-complex base. Standard Cat attachment-pin grease guidance across the compactor line; serviceable across roughly -20C to +140C (-4F to +284F). No separate CVP75-specific grease callout found — this is the general Cat work-tool pin lubrication standard. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar CVP75 maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the CVP75 beyond the schedule
Predictive Maintenance and Fluid Analysis
The CVP75 has no engine oil or coolant to sample; the only fluid of note is the exciter housing oil bath that lubricates the eccentric weight bearings. Pull a sample at scheduled changes and watch for metal fines, discoloration, or a burnt smell, which signal bearing wear before it produces audible noise or vibration handle feedback. Track carrier hydraulic oil cleanliness too, since a contaminated aux circuit will accelerate wear in the compactor's internal valving and couplers.
Corrective and Common Repairs
Most CVP75 downtime traces to torn or bonded-out isolation mounts, worn mounting pins and bushings from stick-to-bracket play, or leaking quick-couplers on the aux hydraulic lines. Exciter bearing failure from low oil-bath level is the next most common failure and shows up as abnormal noise, overheating, or a drop in compaction force. Base plate cracking near the bracket welds happens on units run hard in rocky trench backfill; inspect welds at every fluid service.
Overhaul and Rebuild Points
Because the CVP75 carries no engine, transmission, or undercarriage, overhaul work concentrates on the exciter assembly: bearings, eccentric shaft, and internal seals. A full exciter rebuild is the major life-extension point, typically paired with replacement of all isolation mounts and a base plate inspection or resurfacing. Mounting pin and bushing renewal restores stick-connection tolerances lost to years of pivot wear.
Seasonal and Environment Servicing
Cold weather thickens the exciter oil bath and stiffens isolation mount rubber, so check both before winter startup and confirm the carrier's hydraulic oil is warmed to spec before running the compactor hard. In wet or muddy trench work, flush packed debris from the base plate and exciter housing daily to prevent corrosion around the mounting bracket and coupler threads. Store the attachment with couplers capped to keep grit out of the carrier's aux hydraulic circuit.
CVP75 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.
CVP75 attachments & work tools
Base plate & compaction output
Impulse force is about 74 kN (16,508 lbf) at 2,200 cycles/min. Steel base plate measures roughly 737 mm wide by 1,092 mm long (29 x 43 in) for about 0.80 sq m (8.6 sq ft) of contact area and roughly 92 kPa (13.3 psi) of base plate pressure.
Carrier compatibility / size class
Matched to the Cat 311 through 318 HEX excavator range, a mid-size hydraulic excavator class. It sits mid-pack in Cat's vibratory plate compactor line, which runs from the smaller CVP16/CVP28/CVP40/CVP55 for mini and small excavators up to the larger CVP110 for bigger carriers, with impulse force and base plate size scaling up with carrier size.
Coupler / mounting systems
Uses the same mounting options as Cat's B- and H-series hammers in this size class: pin-on, pin-grabber, pin-lock, CW-type, and S-type quick couplers, or a dedicated mounting bracket bolted directly to the stick when the carrier has no coupler fitted.
Hydraulic supply requirements
Needs a dedicated auxiliary/work-tool hydraulic circuit delivering a minimum of about 106 L/min (28 gpm) at a minimum operating pressure of about 13,790 kPa (2,000 psi). The vibratory motor runs on oil-bath bearings with its own integral flow-control valve to protect it from over-flow or over-pressure, so the carrier's aux circuit and control valve should be matched to these figures, or the carrier fitted with a compactor/hammer-type auxiliary hydraulic kit if it is not already equipped for work tools.
Base plate protection option
A urethane or rubber-faced base plate pad is offered across the vibratory plate compactor line to protect pavers, brick, and finished asphalt or concrete surfaces from chipping or marking during patch and hardscape compaction work. Availability varies by configuration and dealer stock.
Application and guarding
Intended for soil, sand, and gravel sub-base compaction ahead of paving or concrete placement, and for asphalt patch compaction. The vibratory motor sits in a steel-guarded housing on the base plate, consistent with the rest of the CVP compactor line.
All CVP75 assemblies by section
Every catalogued assembly group for the Caterpillar CVP75. 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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
222-3779 Manifold Gp-Control
| 22***79 | Manifold Group-Control | 1 |
Work Tools
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 |
211-8200 Blade Gp-Compactor
| 21***00 | Blade Group-Compactor | 1 |
| 21***79 | Blade As-Straight | 1 |
| 21***23 | Plate | 2 |
212-3450 Blade Gp-Compactor
| 21***50 | Blade Group-Compactor | 1 |
| 21***66 | Blade As | 1 |
| 21***24 | Plate | 2 |
212-0789 Blade Gp-Compactor
| 21***89 | Blade Group-Compactor | 1 |
| 21***90 | Blade As | 1 |
| 21***24 | Plate | 2 |
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 |
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 |
226-2797 Bracket Gp-Mounting
| 22***97 | Bracket Group-Mounting | 1 |
| 22***96 | Bracket As | 1 |
| 8T***31 | Nut; (M20x2.5-Thd) | 8 |
7q-8466 Bracket Gp-Mounting
| 16***58 | Bracket As | 1 |
| 7Q***66 | Bracket Group-Mounting | 1 |
| 7X***54 | Bolt; (M16x2x70-mm) | 12 |
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 |
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 |
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 |
305-4984 Bracket Gp-Mounting
| 18***62 | Hose As | 1 |
| 20***88 | Isolator | 4 |
| 20***90 | Frame As | 1 |
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 |
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 |
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 |
259-1759 Bracket Gp-Mounting
| 18***20 | Locknut; (M20x2.5-Thd) | 4 |
| 24***57 | Bracket As | 1 |
| 25***59 | Bracket Group-Mounting | 1 |
259-1753 Bracket Gp-Mounting
| 17***68 | Bracket As | 1 |
| 18***20 | Locknut; (M20x2.5-Thd) | 4 |
| 25***53 | Bracket Group-Mounting | 1 |
259-1760 Bracket Gp-Mounting
| 17***71 | Bracket As | 1 |
| 18***20 | Locknut; (M20x2.5-Thd) | 8 |
| 25***60 | Bracket Group-Mounting | 1 |
3q-7609 Bracket Gp-Mounting
| 16***57 | Bracket As | 1 |
| 3Q***09 | Bracket Group-Mounting | 1 |
| 7X***54 | Bolt; (M16x2x70-mm) | 12 |
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 |
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 |
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 |
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 |
3q-7608 Bracket Gp-Mounting
| 16***56 | Bracket As | 1 |
| 3Q***08 | Bracket Group-Mounting | 1 |
| 7X***54 | Bolt; (M16x2x70-mm) | 12 |
219-0667 Bracket Gp-Mounting
| 21***67 | Bracket Group-Mounting | 1 |
| 21***68 | Bracket As | 1 |
| 7X***54 | Bolt; (M16x2x70-mm) | 12 |
192-4211 Bracket Gp-Mounting
| 19***11 | Bracket Group-Mounting | 1 |
| 19***92 | Bracket As | 1 |
| 7X***54 | Bolt; (M16x2x70-mm) | 12 |
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 |
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 |
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 |
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 |
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 |
CVP75 serial number reference
The PIN/ID plate sits on the compactor's top mounting bracket or frame near the hydraulic hose connections, same general area as other Cat work-tool attachments. The plate reads as a 3-letter prefix followed by a sequential unit number (e.g. CSG00101); the prefix identifies the specific model/manual grouping, the digits are the build sequence. There is no engine or ECM to cross-check since this is a passive attachment - confirm the exact serial with your dealer if ordering parts.
| Prefix | Identifies | Notes |
|---|---|---|
| CSG | CVP75 vibratory plate compactor, base series | Confirmed prefix for the CVP75 in the combined CVP16/CVP40/CVP75/CVP110 vibratory plate compactor parts manual (serial range CSG1-Up). Passive hydraulic work tool, no engine or ECM; runs off the host excavator's hydraulic system (fits 311-M318 class carriers). No generation or configuration split found in available listings - treat as the single production run. Confirm exact unit serial with your dealer before ordering parts. |
Frequently asked questions
What engine does the Cat CVP75 have?
None. The CVP75 is a passive hydraulic work tool with no engine, ECM, or onboard power source of its own. It runs entirely off the auxiliary hydraulic circuit of the host excavator carrier, requiring a minimum 106 L/min (28 gpm) of flow and 13,790 kPa (2,000 psi) of pressure.
What is the operating weight of the Cat CVP75?
The CVP75 weighs 801 kg (1,765 lb) as an attachment. It is rated for use on Cat excavator carriers in the 311-M318 HEX class; actual usable compaction force depends on the carrier's hydraulic output within the compactor's rated flow and pressure range.
What replaced the Cat CVP75?
No confirmed successor is documented. The CVP75 is a work-tool attachment, not a machine model with a published generation or succession lineage, and factory literature shows no letter-suffix or replacement model. Verify current availability and any running changes with your Cat dealer.
What CVP75 owners discuss
How does the CVP75 actually create its compaction force since it has no engine of its own?
What's the deal with the oil-bath bearing in the exciter housing, and how often does it need attention?
Where does wear actually show up on the base plate?
The whole excavator shakes when I run the compactor — is that normal?
Does the CVP75 need a specific hydraulic setup on the carrier, or will any auxiliary circuit run it?
What should I check on the mounting pins and bushings before running or buying a used one?
What should I actually inspect before buying a used CVP75?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Need a specific CVP75 part?
Search live OEM part data, check fitment, and cross-reference alternatives with Heavy Parts AI.