Caterpillarpaving compactorvibratory compactor
Caterpillar CS-423E
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar CS-423E is a ride-on, single-drum vibratory soil compactor built for subgrade and sub-base compaction on site-prep, utility trench, and road-building work. It sits in Cat's smaller soil-compactor class, in the roughly 6.8-7.0 tonne (15,000-15,400 lb) operating weight bracket. Cat built the E-series soil compactor line through the 2000s as the direct update to its earlier 400C-Series compactors, and the CS-423E used a naturally aspirated Cat 3054-family diesel through its run - documentation splits between the 3054B (around 60 kW/80 hp) on earlier serial ranges and the 3054C (around 62 kW/83 hp) on later ones, so the exact rating varies by production series. It shipped with either an open ROPS/FOPS canopy or a ROPS/FOPS cab, rode on a rear drive axle with rubber tires paired to a front vibratory drum, and could be fitted with a bolt-on padfoot shell conversion for cohesive or semi-cohesive soils. It sat below the larger CS-433E and its padfoot sibling the CP-433E, which used a turbocharged version of the same base engine.
Across the E-series update, Cat moved the platform to a dual-pump, dual-motor propel system that splits hydraulic flow separately between the drum drive and the rear axle drive for better gradeability and less wheel spin, and it introduced a sealed, low-maintenance vibratory weight housing serviced on a long 3-year/3,000-hour cycle instead of routine oil changes. Within the CS-423E's own production run, the engine and emissions calibration changed across serial-number ranges as Cat updated the 3054 engine family, so two machines carrying the same model designation can differ in rated power and engine tier. In the used and parts market today, the CS-423E remains attractive because of its simple, non-turbocharged, mechanically straightforward engine and its shared parts base with the wider Cat 3054 family used across backhoe loaders, skid steers, and other compactors of the era - keeping maintenance and rebuild costs low for contractors running older fleets.
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 CS-423E specifications
Engine
| Engine model | Caterpillar 3054B, four-stroke, four-cylinder, naturally aspirated diesel per the original factory spec sheet; some later equipment databases list a 3054C naturally aspirated variant for later production runs — varies by series/print revision. |
| Gross power | 60 kW (80 hp) at 2200 rpm per factory spec sheet; some later-series listings show 62 kW (83 hp) — varies by series. |
| Net power | 57 kW (77 hp) per EEC80/1269, ISO 9249 and SAE J1349 Jan90; some later-series listings show approximately 59 kW (79 hp) — varies by series. |
| Displacement | 4.2 liters (258 cu in); bore 103 mm (4.05 in), stroke 127 mm (5 in) |
| Cylinders / aspiration | 4 cylinders, four-stroke, naturally aspirated, direct injection (unit injector fuel system). Note: the related CS-433E/CP-433E models use a turbocharged 3054T — do not apply that data to the CS-423E. |
| Emissions | Meets EPA and CARB emissions regulations in effect at time of manufacture (pre-Tier 4 generation); equipped with a spark-arresting muffler and dual-element dry-type air cleaner |
Weights
| Operating weight, open platform | 6410 kg (14,135 lb) |
| Operating weight, ROPS/FOPS canopy | 6640 kg (14,635 lb); later print revisions and some spec databases list up to 6745 kg (14,875 lb) — varies by print revision/series |
| Operating weight, ROPS/FOPS cab | 6885 kg (15,175 lb) |
| Weight at drum, ROPS/FOPS canopy | 3500 kg (7,720 lb) |
| Weight at drum, open platform | 3453 kg (7,610 lb) |
| Static linear load at drum | 20.9 kg/cm (117 lb/in) |
| Configuration note | Some current equipment databases list a fully-equipped operating weight of roughly 6,990 kg (15,410 lb); treat as an upper-end configuration figure, not a single fixed spec |
Dimensions
| Operating (transport) length | 4.96 m (16 ft 3 in) |
| Max machine width | 1.8 m (5 ft 11 in) |
| Height at ROPS/FOPS | 2.93 m (9 ft 7 in) |
| Wheelbase | 2.60 m (8 ft 6 in) |
| Ground clearance | 403 mm (15.9 in) |
| Curb clearance | 375 mm (14.8 in) |
| Drum diameter | 1221 mm (48 in) |
| Drum / compaction width | 1676 mm (66 in), also listed as 1.7 m (5 ft 6 in) compaction width |
| Axle width | 1.27 m (4 ft 2 in) |
| Turning radius | Inside 3.05 m (10 ft); outside 4.73 m (15 ft 6 in) |
Performance
| Travel speed, low range | 5.5 km/h (3.4 mph), forward and reverse |
| Travel speed, high range | 11.5 km/h (7.1 mph), forward and reverse; some spec databases round this to 7.2 mph |
| Gradeability | 44%, with or without vibration engaged, subject to underfoot conditions |
| Vibration frequency | Standard 31.9 Hz (1915 vpm); optional variable-frequency range 23.3-31.9 Hz (1400-1915 vpm) |
| Nominal amplitude | High 1.67 mm (0.066 in); low 0.84 mm (0.033 in) |
| Centrifugal force | High amplitude 133.5 kN (30,000 lb); low amplitude 66.8 kN (15,000 lb), both at 31.9 Hz |
| Steering / oscillation angle | Steering ±37 degrees each direction; drum oscillation ±15 degrees each direction |
Service capacities (summary)
| Fuel tank | 160 L (42.2 US gal) total capacity; approximately 153 L (40.4 US gal) usable full-fuel capacity |
| Hydraulic system | 80 L (21 US gal); filtration is pressure-type, 15 micron absolute |
| Engine oil (crankcase) | 6.8 L (1.8 US gal) |
| Cooling system | 18 L (4.8 US gal) |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
CS-423E fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase, with filter (Cat 3054C naturally aspirated diesel, 4-cyl) | 6.8 L (1.8 US gal) | Cat DEO / DEO-ULS diesel engine oil. SAE 15W-40 for general use above -18 C (0 F); SAE 10W-30 for -18 to 40 C (0 to 104 F) range and improved cold start; full-synthetic Cat DEO-ULS SYN 5W-40 or Cat DEO Cold Weather 0W-40 for sustained sub-zero climates. Meets Cat ECF-3/ECF-2 or API CH-4 and higher. |
| Cooling system | 18 L (4.8 US gal) | Cat ELC (Extended Life Coolant), premix or concentrate to a 50/50 water blend; extended-life formulation extends drain intervals versus conventional coolant. Use lower-freeze-point blend ratio in extreme cold climates per the coolant's freeze-protection chart. |
| Fuel tank | 153 L usable, 160 L total capacity (40 US gal usable, 42 US gal total) | No. 2-D diesel fuel for normal ambient temperatures; No. 1-D or a winter-blend diesel in cold climates to control fuel waxing/gelling. |
| Eccentric weight housing (vibratory drum drive mechanism) | 12 L (3.2 US gal) | Cat TDTO (Transmission & Drive Train Oil), SAE 30 general-purpose grade for typical ambient ranges; SAE 10W or a multigrade TDTO in colder climates for easier cold start and circulation. |
| Limited-slip axle (rear axle differential) | 15.9 L (4.2 US gal) | Cat TDTO Transmission & Drive Train Oil, SAE 30 in moderate climates; lighter multigrade TDTO for cold-weather operation. Limited-slip units require a TDTO rated for limited-slip service — do not substitute plain gear oil. |
| Planetary gear reducers / final drives (each) | 2.3 L (0.6 US gal) per reducer | Cat TDTO Transmission & Drive Train Oil, same grade selection as the axle (SAE 30 standard climate, lighter multigrade for cold weather). |
| Hydraulic system (tank and circuit combined) | 60 L (16 US gal) | Cat HYDO Advanced hydraulic oil (or equivalent Cat TDTO where the OMM allows a shared fluid); viscosity selected by ambient temperature per Caterpillar's machine fluids viscosity guidance — heavier grade in hot climates, lighter multigrade for cold starts. A separate tank-only figure is not broken out in the available factory spec sheet; the 60 L figure covers total system fill. |
| Grease points (eccentric shaft, articulation joint, cylinder pins) | Spec only — no reservoir capacity | Cat Multipurpose Grease (NLGI 2) for general-duty greasing; Cat Advanced 3Moly or Ultra 5Moly grease where extreme-pressure/high-load performance is called for; Cat Arctic Platinum grease for cold-climate service. Exact grease callouts for this machine's own OMM page were not confirmed in available text — verify grease point-by-point with the dealer copy of the manual. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar CS-423E maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 3,000 h |
|
Servicing the CS-423E beyond the schedule
Predictive Maintenance & Fluid Analysis on the CS-423E
Run S·O·S sampling on the 3054-family engine oil and on hydraulic oil pulled from the reservoir, since the dual-pump propel system feeding both the drum drive motor and rear axle motor is the most failure-prone circuit on this compactor. Watch axle and final-drive oil samples for metal content that signals oscillation-bearing wear. Because the vibratory drum eccentric weight housing only gets serviced on a 3-year/3,000-hour cycle, check its shaft seals for seepage at every fluid-sampling interval rather than waiting for scheduled service.
Corrective & Common Repairs on the CS-423E
Recurring issues center on the dual hydraulic propel circuit: drum drive motor and rear axle motor seal leaks, plus hose chafing at the articulation hitch from constant oscillation. The drum scraper bar and its mounting hardware wear steadily on abrasive fill and need frequent readjustment. Being naturally aspirated, the CS-423E avoids the turbo failures seen on the turbocharged CS-433E/CP-433E siblings, but electrical faults in the warning indicator module and start circuit are a common corrective repair on higher-hour machines.
Overhaul & Rebuild Points on the CS-423E
Major rebuild targets are the drum bearing housing and vibratory pod assembly, the propel motors on both the drum and rear axle, and the axle final drive gearing - all subject to constant cyclic vibratory loading. Inspect the articulation hitch and frame welds for fatigue cracking, a known wear point on articulated compactors of this age. Drum shell thickness and scraper bar wear should be measured against minimum limits before a full undercarriage or drum rebuild is scheduled.
Seasonal & Environment Servicing on the CS-423E
In cold climates, check coolant concentration and use a block heater or ether-assist starting aid for the naturally aspirated 3054 engine, and switch to a cold-weather engine oil viscosity. In hot, dusty compaction environments, shorten air filter and radiator/oil cooler cleaning intervals and drain the fuel water separator more often, since packed fines from subgrade work load the cooling fins and filters faster than the standard schedule assumes. For off-season storage, stabilize fuel, disconnect the battery, and protect the drum shell from corrosion.
CS-423E common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 110-6326 | Filter Element As-Air | Air intake service | Check fitment → |
| 110-6331 | Filter Element As-Air | Air intake service | Check fitment → |
| 180-7487 | Filter Element-Cab Air | Air intake service | Check fitment → |
| 127-9746 | Screen-Filter | Scheduled service item | Check fitment → |
| 165-9133 | Adapter-Filter | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
CS-423E fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Low Engine Oil Pressure warning lamp (red) | Dash lamp lights when engine oil pressure drops below the switch's minimum setpoint. | Low oil level, a failed oil pressure switch/sender, or oil pump or bearing wear. | Stop the engine immediately, check oil level and look for leaks before restarting. |
| High Engine Coolant Temperature warning lamp (red) | Dash lamp lights when engine coolant temperature exceeds the normal operating range. | Low coolant level, a clogged radiator or debris screen, a slipping or broken fan belt, or a stuck thermostat. | Idle the engine to cool, then shut down and check coolant level and clean the radiator core/screen. |
| Alternator/Charging System malfunction lamp | Dash lamp lights when the charging system fails to maintain battery voltage. | A loose or worn alternator belt, a poor battery terminal connection, or a failed alternator/regulator. | Check belt tension and battery terminals first, then bench- or load-test the alternator. |
| High Hydraulic Oil Temperature warning lamp (red) | Dash lamp lights when hydraulic tank/return oil temperature exceeds the safe operating limit. | Low hydraulic fluid level, a clogged oil cooler core, or sustained high-load duty (steep grade or continuous vibration). | Stop the machine, idle to cool, check fluid level, and clean the cooler fins. |
| Low Charge (Pilot) Pressure lamp | Dash lamp lights when hydrostatic charge/pilot circuit pressure falls below its minimum threshold, which can affect propel response and vibration engagement. | Low hydraulic fluid, a clogged charge filter, or a worn charge pump. | Check fluid level and charge filter condition, then have charge pump pressure checked with a gauge if the lamp stays on. |
| Audible warning horn (general alarm) | Horn sounds together with any active dash warning lamp to draw operator attention to an out-of-range condition. | Triggered whenever the oil pressure, coolant temperature, hydraulic temperature, or charging lamp activates. | Stop and identify which lamp is lit before continuing to operate. |
| Vibratory control module status LED (flashing amber/red) | Fault indicator on the separate vibratory system control module, signaling a problem in the drum vibration on/off or amplitude control circuit. | A faulty vibration selector switch, damaged wiring or a corroded connector, or a failed drum vibratory solenoid/motor. | Inspect the vibration switch and wiring for damage or corrosion, bench-test the vibratory motor, then replace the control module if the flash persists. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
CS-423E attachments & work tools
Padfoot drum shell kit
Optional two-piece bolt-on shell converts the CS-423E's smooth drum to a padfoot configuration for cohesive and semi-cohesive soils. Pad height is 90 mm (3.5"); pad count is shown as 84 or 92 depending on which production-era brochure is consulted, so treat the count as varying by series. Each shell half weighs about 453 kg (1000 lb) and can be lifted on or off in roughly an hour with a suitable lifting device, no special tooling required.
Drum mounting / coupler system
The padfoot shell bolts directly onto the smooth drum using the drum's factory bolt pattern; this is a bolt-on/bolt-off conversion, not a quick-attach coupler. A dual-purpose bumper bracket on the drum yoke either carries the padfoot scraper teeth or, in smooth-drum mode, stores the scraper plates when not in use.
Leveling blade - confirm availability
A foot-controlled leveling blade (2.10 m / 6'11" wide, 76 mm / 3" cutting depth) bolts to the drum yoke and is offered for backfilling, knockdown and light dozing. Factory literature lists this option specifically for the CS-433E and CP-433E; it is not shown as an available option for the CS-423E, so do not assume blade compatibility without checking with the dealer for this exact configuration.
Vibratory drum configuration
Standard system is dual-amplitude with a fixed frequency around 31.9 Hz (about 1914-1915 vpm). An optional electronic variable-frequency control drops the range down to about 23.3 Hz (1400 vpm) to better match frequency and amplitude to job conditions, and it adds a vibratory-frequency gauge at the operator console.
Drum scraper options
Optional polyurethane front and rear scrapers replace the standard steel front scraper for continuous contact on the smooth drum; a separate steel rear scraper is also listed as an option. When the padfoot shell is installed, its own bolt-on, individually adjustable scraper teeth are used in place of the smooth-drum scrapers.
Operator protection and guarding configuration
Offered as an open platform, a two-post ROPS/FOPS canopy, or a fully enclosed ROPS/FOPS cab; canopy or cab availability can be standard or optional by region. The cab adds front and rear wipers, sliding side windows, dual exterior mirrors, working lights, heater/defroster (air conditioning optional) and a hydraulic lift cylinder for tilting the platform for service access.
Seating and visibility options
A five-position rotating suspension seat is available to aid operation in reverse. Other factory options include a windshield sun visor, a roll-down rear sun screen, interior cab-mounted mirrors, and an amber rotating beacon that mounts to either the canopy or the cab.
Tire and axle configuration
Standard drive tires are 14.9 x 24 in, 6-ply flotation tread on a heavy-duty fixed rear axle with a limited-slip differential; the padfoot-drum sibling in this family runs an 8-ply traction tread instead. A spare tire and rim is available as an option. No track or dual-wheel undercarriage configurations are offered in this class.
Service and towing hydraulic options
An optional operator-platform lift cylinder (standard when the cab is fitted) hydraulically raises the platform for access to the hydraulic pumps. An optional brake release pump allows manual release of the spring-applied secondary brake so a disabled machine can be towed.
Powertrain / series note
Factory brochures show the CS-423E fitted with a naturally aspirated Caterpillar 3054-series engine, but the exact variant differs by production run: earlier literature lists the 3054B rated 60 kW (80 hp), later literature lists the 3054C rated 62 kW (83 hp) meeting Tier 2/Stage II emissions. Confirm the actual engine family against the machine's serial number rather than assuming one variant.
All CS-423E assemblies by section
Every catalogued assembly group for the Caterpillar CS-423E. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Air Inlet And Exhaust System
180-3112 Air Cleaner Gp
| 07***54 | Clamp | 1 |
| 18***12 | Air Cleaner Group | 1 |
153-6988 Air Cleaner Gp
| 10***00 | Elbow | 1 |
| 15***88 | Air Cleaner Group | 1 |
| 6I***64 | Stud; (M10x1.5x30-mm) | 3 |
153-4953 Elbow Gp-Air Inlet
| 14***40 | Nut | 12 |
| 14***96 | Stud | 12 |
| 15***53 | Elbow Group-Air Inlet | 1 |
163-0965 Elbow Gp-Exhaust
| 10***05 | Bolt; (M8x1.25x90-mm) | 2 |
| 11***79 | Gasket | 2 |
| 15***64 | Bolt | 8 |
142-0102 Extension Gp-Air Cleaner
| 14***02 | Extension Group-Air Cleaner | 1 |
| 18***46 | Muffler | 1 |
| 18***41 | Tube As | 1 |
185-8005 Manifold Gp-Exhaust
185-6685 Manifold Gp-Inlet
| 10***39 | Nut | 1 |
| 10***40 | Cap; (Fuel Filter) | 1 |
| 10***41 | Seal; (Plunger) | 1 |
153-5032 Muffler Gp
| 06***68 | Nut-Fuel Line; (1/2-In) | 1 |
| 06***69 | Olive-Fuel Tube | 1 |
| 15***32 | Muffler Group | 1 |
Basic Engine
185-3195 Camshaft Gp
| 06***79 | Dowel | 1 |
| 06***99 | Bushing-Idler Gear | 2 |
| 13***11 | Washer | 1 |
166-5281 Cover Gp-Accessory Drive
| 06***10 | Washer | 1 |
| 10***30 | Bolt; (M10x1.5x20-mm) | 1 |
| 11***22 | Bolt; (M8x16-mm) | 4 |
166-5278 Cover Gp-Valve Mechanism
| 10***75 | Seal | 3 |
| 11***04 | Seal-O-Ring | 1 |
| 11***05 | Seal-O-Ring | 1 |
185-3190 Crankshaft Gp
| 03***90 | Washer-Thrust; (Standard-Upper)(Upper) | 2 |
| 03***91 | Washer-Thrust; (Standard-Lower)(Lower) | 2 |
| 03***79 | Bearing Kit-Crankshaft (Main) .25mm (.01in) | 1 |
207-1754 Cylinder Block Gp
| 03***68 | Bolt; (5/8-18x3.75-In) | 10 |
| 03***02 | Bearing | 1 |
| 06***02 | Dowel | 10 |
250-0414 Cylinder Block Gp
| 03***68 | Bolt; (5/8-18x3.75-In) | 10 |
| 03***02 | Bearing | 1 |
| 06***02 | Dowel | 10 |
185-3189 Cylinder Block Gp
| 18***89 | Cylinder Block Group | 1 |
| 20***54 | Cylinder Block Group | 1 |
| 20***28 | Sleeve | 1 |
185-3192 Cylinder Head Gp
| 17***33 | Cylinder Head Group | 1 |
| 18***84 | Dowel | 2 |
| 18***85 | Gasket-Head | 1 |
176-3133 Cylinder Head Gp
| 06***43 | Plug-Side-(1.251 Dia.) | 1 |
| 06***44 | Plug-Cylinder Head (Top Face) | 1 |
| 13***60 | Cap | 8 |
188-9476 Drain Gp-Engine Oil
| 15***25 | Valve-Fluid Sampling | 1 |
| 15***70 | Cap-Dust; (Engine Coolant) | 1 |
| 15***36 | Valve-Sampling | 1 |
165-7782 Drive Gp-Fan
| 10***63 | Bolt; (M10x1.5x80-mm) | 4 |
| 10***82 | V-Belt Set; (Includes 2-Belts)(Fan Drive) | 1 |
| 13***80 | Pulley-Fan Drive | 1 |
153-4980 Drive Gp-Pump
| 0T***24 | Bolt 9.525 mm(.375 In.) Dia. N. C. | 8 |
| 10***33 | . Pedestal, Flange-Nylon | 1 |
| 15***80 | Drive Group-Pump | 1 |
132-8732 Flywheel Gp
| 03***87 | Ring-Starting Motor; (126-Teeth) | 1 |
| 0S***03 | Bolt,Machine Fuel Pump Drive Gear Mounting | 6 |
| 13***32 | Flywheel Group | 1 |
166-4480 Housing Gp-Flywheel
| 10***57 | Plate | 1 |
| 12***83 | Bolt; (M10x1.5x30-mm) | 6 |
| 13***54 | Plug | 1 |
185-3194 Housing Gp-Front
| 14***44 | Shield | 1 |
| 14***45 | Damper | 1 |
| 17***91 | Gasket-Cover | 1 |
142-0348 Lifting Gp-Engine
| 14***53 | Plate | 1 |
| 14***48 | Lifting Group-Engine | 1 |
| 14***49 | Plate-Lifting | 1 |
179-1227 Mounting Gp-Alternator
| 17***27 | Mounting Group-Alternator | 1 |
| 6I***54 | Bolt; (M8x1.25x30-mm) | 2 |
| 6I***39 | Bolt; (M8x1.25x70-mm) | 1 |
175-9121 Mounting Gp-Engine
| 10***87 | Plug | 4 |
| 17***21 | Mounting Group-Engine | 1 |
153-7001 Mounting Gp-Engine Flexible
| 11***94 | Support-Front-Lh | 1 |
| 11***95 | Support-Front-Rh | 1 |
| 13***89 | Clip; (Ladder) | 1 |
141-6148 Mounting Gp-Fan Drive
| 14***48 | Mounting Group-Fan Drive | 1 |
| 6I***17 | Bolt; (M8x1.25x20-mm) | 4 |
166-5280 Pan Gp-Oil
| 06***13 | Gasket | 1 |
| 10***71 | Bolt | 6 |
| 10***12 | Tube | 1 |
185-3191 Piston & Rod Gp
| 06***83 | Bolt-Rod Cap | 2 |
| 12***36 | Ring-Retaining | 2 |
| 13***48 | Bushing | 1 |
130-4648 Plug Gp-Cylinder Block
| 06***24 | Plug | 2 |
| 13***48 | Plug Group-Cylinder Block | 1 |
134-0183 Plug Gp-Cylinder Block
| 03***63 | Plug | 2 |
| 13***83 | Plug Group-Cylinder Block | 1 |
130-4647 Plug Gp-Cylinder Head
| 06***44 | Plug-Cylinder Head (Top Face) | 1 |
| 06***45 | Washer-(640mm Id, .064 Thk.) | 1 |
| 13***47 | Plug Group-Cylinder Head | 1 |
141-0728 Plug Gp-Engine
| 14***28 | Plug Group-Engine | 1 |
| 2B***58 | Plug--To Block Upper Front Air Manifold | 1 |
6i-0500 Pulley Gp-Crankshaft
| 6I***00 | Pulley Group-Crankshaft | 1 |
| 6I***01 | Block | 1 |
| 6I***02 | Pulley | 1 |
185-3193 Valve Mechanism Gp
| 00***06 | Ring-Retaining | 2 |
| 06***83 | Plug-Shaft End | 2 |
| 06***87 | Spring-Shaft | 2 |
Braking System
201-1209 Brake Ar
| 11***75 | Valve-Needle | 1 |
| 13***10 | Hose As | 1 |
| 14***36 | Adapter; (Straight) (-6 Orb X -6 Orfs) | 2 |
201-1210 Brake Ar
| 14***25 | Connector As. | 1 |
| 15***33 | Elbow, 45°,-6 Orb /-4 Orfs | 1 |
| 15***35 | Pump-Hand | 1 |
153-7176 Lines Gp-Brake & Shift
| 10***84 | Bolt-Socket Head; (M10x1.5x25-mm) | 4 |
| 10***41 | Cover | 1 |
| 11***78 | Cover | 1 |
205-0971 Lines Gp-Brake & Shift
| 10***40 | Spacer; (10.74x17.14x7-mm Thk) | 4 |
| 10***06 | Pin As | 2 |
| 14***42 | Hose As; (Winch) | 1 |
204-9594 Pump & Mtg Gp-Brake
| 15***47 | Pump & Mtg Group-Vibratory | 1 |
| 15***48 | Filter & Mtg Group-Hydraulic | 1 |
| 15***49 | Valve & Mtg Group-Control | 1 |
Cooling System
213-8617 Connection Gp-Water
| 10***05 | Bolt; (M8x1.25x90-mm) | 2 |
| 14***15 | Seal-O-Ring; (Water Temperature Regulator) | 1 |
| 14***88 | Seal; (Housing, Regulator)(Temperature Regulator Housing) | 1 |
166-6388 Cooler Gp-Fltr Base & Eng Oil
| 03***62 | Plug | 1 |
| 03***63 | Plug | 1 |
| 06***66 | Washer | 1 |
153-4982 Fan Gp-Suction
| 13***81 | Pulley-Fan | 1 |
| 14***88 | Spacer-Fan | 1 |
| 14***91 | Spider As; (9-Blade) | 1 |
153-5030 Fan Gp-Suction
| 06***86 | Connector | 1 |
| 12***23 | Seal; (32-cm) | 0 |
| 15***30 | Fan Group-Suction; -Without Air Conditioner | 1 |
179-6896 Pump Gp-Water
| 13***42 | Recovery Group-Coolant | 1 |
| 14***11 | Cap-Vented; (Coolant Recovery) | 1 |
| 17***96 | Pump Group-Water | 1 |
153-5033 Radiator & Hyd Oil Cooler Gp
| 14***02 | Extension Group-Air Cleaner | 1 |
| 15***33 | Radiator & Hydraulic Oil Cooler Group | 1 |
| 18***12 | Air Cleaner Group | 1 |
186-2725 Radiator & Hyd Oil Cooler Gp
| 11***26 | Filter Element As-Air; (Primary) | 1 |
| 11***31 | Filter Element As-Air; (Secondary) | 1 |
| 11***17 | Valve-Dust; (Air Cleaner) | 1 |
188-0922 Recovery Gp-Coolant
| 12***15 | Bolt; (M8x16x1.25-mm) | 3 |
| 18***22 | Recovery Group-Coolant | 1 |
| 6I***60 | Bolt; (M8x1.25x25-mm) | 1 |
Electrical And Starting System
3e-6328 Alarm Gp
| 03***25 | Terminal-Ring; (For 3/8" Fastener) | 1 |
| 03***97 | Boot | 1 |
| 03***17 | Tread-Nonskid | 2 |
9w-3043 Alternator Gp-Charging
| 03***25 | Terminal-Ring; (For 3/8" Fastener) | 1 |
| 03***97 | Boot | 1 |
| 03***17 | Tread-Nonskid | 2 |
188-5119 Alternator Gp-Charging
| 15***10 | Panel Group-Instrument | 1 |
| 15***15 | Warning Group-Backup | 1 |
| 15***16 | Battery & Wiring Group | 1 |
153-7116 Battery & Wiring Gp
| 15***16 | Battery & Wiring Group | 1 |
| 8T***37 | Screw; (Machine) (M4x0.7x12mm) | 2 |
| 9X***55 | Body As-Lamp | 1 |
223-4245 Battery & Wiring Gp
| 22***45 | Battery & Wiring Group | 1 |
| 8T***37 | Screw; (Machine) (M4x0.7x12mm) | 2 |
| 8T***21 | Washer-Hard; (11x21x2.5-mm Thk)(M10x1.50x30mm) | 1 |
221-3439 Electrical Ar
| 10***41 | Lamp Group-Flood; (24-Volt) | 4 |
| 11***26 | Roof Assem. | 1 |
| 11***57 | Harness Assembly; (Floodlight) | 1 |
9x-4381 Lamp Gp-Flood -Suspended
| 10***04 | Kit-Receptacle; (4-Pin)(Start Switch) | 1 |
| 18***13 | Bracket | 1 |
| 18***35 | Pin-Connector; (16-Ga To 18-Ga) | 3 |
9x-1439 Lamp Gp-Flood -Vertical
| 13***87 | Harness As-Lighting; (Floodlight)(Open Rops) | 1 |
| 3L***87 | Lockwasher 7.24mm(.285in.)O.D.; (3.7x7.24x.48mm Thk) | 6 |
| 3S***93 | Strap-Cable-To Tie Harnesses Together | 32 |
143-5927 Lighting Gp-Flood
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 14***27 | Lighting Group-Flood | 1 |
| 3E***65 | Wedge; (Receptacle Lock) (2 Pin) | 1 |
204-1321 Lighting Gp-Flood -Open Rops
| 06***98 | Nut; (3/8-24-Thd) | 1 |
| 06***99 | Ferrule | 1 |
| 10***54 | Clip | 1 |
216-8594 Lighting Gp-Flood
| 18***72 | Heater; (Air Inlet) | 1 |
| 21***94 | Lighting Group-Flood | 1 |
160-7396 Solenoid Gp-Throttle -Governor
| 10***85 | Cap-Starting Motor | 1 |
| 10***12 | Kit-Contact; (Starting Motor) | 1 |
| 10***15 | Housing-Starting Motor | 1 |
186-4273 Starting Aid Gp
| 18***73 | Starting Aid Group; -Heater | 1 |
| 2H***22 | Lockwasher | 2 |
| 6F***45 | Nut-Full; (3/8-24-Thd) | 2 |
186-1687 Starting Aid Gp
| 14***41 | Starting Motor Group-Electric | 1 |
| 18***87 | Starting Aid Group; -Lines | 1 |
| 4P***34 | Clip-Ladder; (00800 mm ) | 1 |
143-0541 Starting Motor Gp-Electric
| 14***41 | Starting Motor Group-Electric | 1 |
| 15***61 | Wedge-Plug Lock; (2-Pin) | 1 |
| 15***70 | Kit-Connecting Plug; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
195-7843 Starting Motor Gp-Electric
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 18***35 | Pin-Connector; (16-Ga To 18-Ga) | 3 |
| 19***43 | Starting Motor Group-Electric | 1 |
7n-0718 Switch Gp-Disconnect -Battery
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 19***24 | Harness As; (Backup Warning) | 1 |
| 3S***93 | Strap-Cable-To Tie Harnesses Together | 9 |
167-0138 Switch Gp-Magnetic
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***04 | Suppressor As-Arc | 1 |
| 11***18 | Clip | 3 |
108-3190 Switch Gp-Temperature
| 10***01 | Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge) | 1 |
| 10***04 | Kit-Receptacle; (4-Pin)(Start Switch) | 1 |
| 10***90 | Switch Group-Temperature; -Engine Coolant | 1 |
153-7115 Warning Gp-Backup
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 10***04 | Kit-Receptacle; (4-Pin)(Start Switch) | 1 |
202-1238 Wiring Gp-Air Conditioner
| 10***20 | Plug As-Connector; (2-Pin) | 1 |
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 10***04 | Kit-Receptacle; (4-Pin)(Start Switch) | 1 |
143-5923 Wiring Gp-Cab
| 12***97 | Bolt; (M20x2.5x260-mm) | 8 |
| 14***23 | Wiring Group-Cab; -Wiper | 1 |
| 18***76 | Axle Group; -Without Brakes | 1 |
201-8326 Wiring Gp-Console -Side, Vibratory
| 09***94 | Ring-Retaining | 2 |
| 10***04 | Bolt; (Socket Head) (M10x1.5x30mm) | 10 |
| 10***79 | Bolt-Socket Head; (M10x1.5x90-mm) | 2 |
218-9744 Wiring Gp-Machine
| 10***00 | Seal-O-Ring | 1 |
| 14***27 | Connector Group | 2 |
| 14***68 | Elbow Group | 1 |
Engine Arrangement
177-9748 Engine Ar-Primary
| 13***46 | Fitting Group-Fuel Lines | 1 |
| 13***47 | Plug Group-Cylinder Head | 1 |
| 13***48 | Plug Group-Cylinder Block | 1 |
153-4983 Installation Ar-Engine
| 15***80 | Drive Group-Pump | 1 |
| 15***83 | Installation Ar-Engine | 1 |
| 15***31 | Lines Group-Fuel | 1 |
Frame And Body
203-1724 Bumper Ar
| 15***95 | Plate & Film Group | 1 |
| 20***22 | Lines Group-Steering | 1 |
| 20***24 | . Cover, Bumper Ar | 1 |
196-2931 Bumper Ar
| 18***93 | Bumper As | 1 |
| 19***31 | Bumper Ar | 1 |
| 8T***01 | Nut (M24 X 3 Thd); (M24x3.00 Thd) | 4 |
216-9143 Bumper Gp
| 14***66 | Plate-End | 1 |
| 17***31 | Hitch Group-Articulating & Osc | 1 |
| 19***46 | Yoke As | 1 |
195-4487 Bumper Gp -Padded Shell
| 19***87 | Plate | 1 |
| 19***87 | Bumper Group; -Padded Drum, Without Blade | 1 |
| 19***12 | Bumper As | 1 |
201-3378 Bumper Gp
| 09***49 | Bolt; (M8x1.25x40-mm) | 8 |
| 11***63 | Striker As | 1 |
| 11***06 | Stud-Ball | 2 |
220-0173 Bumper Gp
| 07***27 | Screw-Drive; (No.12x12.7-mm) | 2 |
| 14***53 | Clamp | 2 |
| 15***86 | Plate As | 2 |
153-6991 Enclosure Gp-Engine
| 15***91 | Enclosure Group-Engine | 1 |
| 19***34 | Handrail As | 1 |
| 21***12 | Handrail As | 1 |
153-7112 Frame Gp-Front
| 15***12 | Frame Group-Front | 1 |
| 19***34 | Handrail As | 1 |
| 21***22 | Handrail As | 1 |
153-6982 Frame Gp-Main
| 15***82 | Frame Group-Main | 1 |
| 17***86 | Shaft; (Articulation) | 1 |
| 17***87 | Shaft; (Oscillation) | 1 |
189-4631 Handrail Gp
| 11***49 | Handle As | 1 |
| 11***06 | Stud-Ball | 2 |
| 13***25 | Bumper | 2 |
189-4661 Handrail Gp
| 18***61 | Handrail Group | 1 |
| 19***84 | Scraper | 16 |
| 21***03 | Bar | 16 |
173-2731 Hitch Gp-Articulating & Osc
| 17***31 | Hitch Group-Articulating & Osc | 1 |
| 19***84 | Scraper | 8 |
| 19***89 | Scraper As-Rear | 1 |
194-2529 Hood Gp
| 19***84 | Scraper | 12 |
| 19***29 | Hood Group | 1 |
| 20***31 | Scraper | 4 |
220-0172 Scraper Gp-Drum
| 10***94 | Bar-Adjustment | 4 |
| 10***97 | Scraper | 1 |
| 1D***00 | Bolt-Carriage; (5/8-11x2.5-In) | 4 |
191-0690 Scraper Gp-Padded Drum
| 10***48 | Scraper | 1 |
| 10***94 | Bar-Adjustment | 4 |
| 10***95 | Plate | 1 |
213-1987 Scraper Gp-Padded Drum
| 20***94 | Pump & Mtg Group-Brake | 1 |
| 20***71 | Lines Group-Brake & Shift | 1 |
| 21***87 | Scraper Group-Padded Drum | 1 |
105-7620 Scraper Gp-Smooth Drum
| 10***20 | Scraper Group-Smooth Drum | 1 |
| 15***76 | Lines Group-Brake & Shift | 1 |
191-0691 Scraper Gp-Smooth Drum -Front & Rear
| 16***69 | Adapter; (Str Thd (-6) Orfs/0) | 1 |
| 19***91 | Scraper Group-Smooth Drum; -Front & Rear | 1 |
| 19***98 | Hose As | 1 |
Fuel System
164-6602 Filter & Lines Gp-Fuel
| 11***18 | Clip | 2 |
| 13***32 | Spring | 1 |
| 16***96 | Solenoid Group-Throttle; -Governor | 1 |
138-3096 Filter Gp-Fuel
| 03***49 | Plug | 2 |
| 13***96 | Filter Group-Fuel | 1 |
| 13***97 | Separator Group-Water; -Fuel | 1 |
130-4646 Fitting Gp-Fuel Lines
| 10***30 | Bolt; (M10x1.5x20-mm) | 1 |
| 10***77 | Stud | 3 |
| 12***13 | Connection | 1 |
153-5034 Governor Gp
| 10***39 | Nut | 1 |
| 10***40 | Cap; (Fuel Filter) | 1 |
| 10***41 | Seal; (Plunger) | 1 |
153-5031 Lines Gp-Fuel
| 15***31 | Lines Group-Fuel | 1 |
| 15***86 | Tank Group-Fuel | 1 |
| 21***84 | Angle | 4 |
166-5275 Pump Gp-Fuel Injection
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 14***40 | Plate As | 1 |
| 16***58 | Cap Group-Fuel Filler; -Extreme Service, Lockable | 1 |
138-3097 Separator Gp-Water
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 13***97 | Separator Group-Water; -Fuel | 1 |
| 18***35 | Pin-Connector; (16-Ga To 18-Ga) | 2 |
203-4791 Tank & Mtg Gp-Fuel
| 09***66 | Washer; (Hard) (4.5x9x1mm Thk) | 5 |
| 10***63 | Regulator As-Alternator; (24-Volt) | 1 |
| 1H***44 | Lockwasher (Bracket To Cab) | 1 |
153-6986 Tank Gp-Fuel
| 11***39 | Spacer; (10.5x18x21-mm Thk) | 1 |
| 14***11 | Strap | 1 |
| 14***12 | Bracket As | 1 |
Hydraulic System
186-0876 Cylinder Gp-Hydraulic -Steering
| 13***72 | Cover | 4 |
| 18***76 | Cylinder Group-Hydraulic; -Steering | 1 |
| 19***84 | Hose As | 1 |
153-7148 Filter & Mtg Gp-Hydraulic
| 13***72 | Cover | 1 |
| 15***48 | Filter & Mtg Group-Hydraulic | 1 |
| 19***71 | Hose As | 1 |
153-5007 Hydraulic Ar
| 10***05 | Plate | 2 |
| 14***53 | Elbow, 45,-6 Orb To-6 Orfs-Drum Clutch Port | 2 |
| 14***78 | Elbow, 90°,-6 Orb /-6 Orfs; (90°) (-6 Orbx-6orfs) | 2 |
153-7152 Lines Gp-Hydraulic Filter
| 15***52 | Lines Group-Hydraulic Filter | 1 |
| 18***02 | Manifold-Test | 1 |
| 18***04 | Setscrew | 2 |
193-1476 Lines Gp-Pressure Test
| 03***05 | Seal-O-Ring | 1 |
| 11***21 | Plug-Special | 2 |
| 11***22 | Spring | 2 |
153-7154 Lines Gp-Return
| 07***53 | Pin; (Spring) | 2 |
| 11***21 | Plug-Special | 2 |
| 11***22 | Spring | 2 |
192-3848 Manifold Gp-Hydraulic
| 10***53 | Bearing | 2 |
| 11***21 | Plug-Special | 2 |
| 11***22 | Spring | 2 |
183-7530 Motor Gp-Piston -Propel
| 03***27 | Seal-O-Ring; (19.18mm Id) | 1 |
| 07***53 | Pin; (Spring) | 2 |
| 0S***09 | Bolt (3/4") Filler Tube Assembly To Transfer Drive Case | 2 |
183-3233 Motor Gp-Piston -Vibratory
| 03***27 | Seal-O-Ring; (19.18mm Id) | 1 |
| 07***53 | Pin; (Spring) | 2 |
| 09***82 | Nut Self-Locking; (M8x1.25 Thd) | 2 |
183-7529 Motor Gp-Piston -Propel
| 03***27 | Seal-O-Ring; (19.18mm Id) | 1 |
| 07***53 | Pin; (Spring) | 2 |
| 0S***09 | Bolt (3/4") Filler Tube Assembly To Transfer Drive Case | 2 |
241-6092 Pump Gp-Piston -Vibratory
| 11***18 | Clip | 1 |
| 14***05 | Adapter Group | 1 |
| 14***07 | Adapter As | 1 |
183-3231 Pump Gp-Piston
| 12***88 | Coupling-Reducer | 1 |
| 14***46 | Insert-Nylon | 1 |
| 17***15 | Strap; (Dual Clamp) | 2 |
183-3230 Pump Gp-Piston -Propel
| 11***67 | Plate | 1 |
| 11***29 | Bearing-Journal | 1 |
| 11***34 | Gasket | 1 |
183-3232 Pump Gp-Piston -Vibratory
| 03***06 | Seal (Use As Required) | 1 |
| 11***14 | Switch As-Temperature; (Hydraulic Oil) | 1 |
| 13***56 | Seal-O-Ring | 1 |
187-1453 Tank & Mtg Gp-Hydraulic
| 16***13 | Kit-Seal; (Shift Solenoid Valve) | 1 |
| 18***53 | Tank & Mtg Group-Hydraulic | 1 |
| 22***65 | Valve Group-Solenoid; -Shift | 1 |
187-1456 Tank Gp-Hydraulic
| 06***58 | Seal-O-Ring; (Oil Pan Drain Plug) | 1 |
| 15***14 | Plate | 1 |
| 15***06 | Bracket | 1 |
153-7149 Valve & Mtg Gp-Control
| 15***49 | Valve & Mtg Group-Control | 1 |
| 15***66 | Pump & Mtg Group-Vibratory | 1 |
153-7123 Valve & Mtg Gp-Control
| 12***39 | Seal | 2 |
| 12***40 | Bearing | 2 |
| 12***24 | Seal-O-Ring | 1 |
220-4133 Valve Gp-Control
| 19***79 | Gauge Group-Vibratory | 1 |
| 20***36 | Pump & Mtg Group-Vibratory | 1 |
| 20***26 | Wiring Group-Console; -Side, Vibratory | 1 |
Machine Arrangement
153-4998 Chassis Ar
| 15***98 | Chassis Ar | 1 |
| 15***82 | Frame Group-Main | 1 |
| 15***91 | Enclosure Group-Engine | 1 |
183-1135 Common Ar
| 15***83 | Installation Ar-Engine | 1 |
| 15***98 | Chassis Ar | 1 |
| 15***07 | Hydraulic Ar | 1 |
Operator Station
153-7004 Air Conditioner Ar
| 10***42 | Mirror Group-Rear View; -Exterior | 1 |
| 14***11 | Cab Ar | 1 |
| 14***26 | Mounting Group-Cab | 1 |
201-7036 Air Conditioner Gp
| 10***45 | Glass-Front; (Center)(Lh) | 1 |
| 10***46 | Glass-Cab Corner; (Lh Rear) | 1 |
| 10***47 | Glass; (Rear) | 1 |
156-6821 Air Conditioner Gp
| 10***45 | Glass-Front; (Center)(Lh) | 1 |
| 10***46 | Glass-Cab Corner; (Lh Rear) | 1 |
| 10***47 | Glass; (Rear) | 1 |
153-5023 Cab Ar -With Air Conditioner
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 11***33 | Switch As-Pressure; (A/C) | 1 |
| 13***41 | Plate | 1 |
153-4989 Cab Ar
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
| 15***89 | Cab Ar | 1 |
| 31***18 | Valve As-Pressure Relief; (Refrigerant Compressor) | 1 |
143-5911 Cab Ar
| 14***11 | Cab Ar | 1 |
| 17***59 | Canopy As | 1 |
| 17***63 | Film-Warning; (Non Rops/Fops) | 1 |
146-1672 Cab Gp-Enclosed Rops
| 14***72 | Cab Group | 1 |
| 19***60 | Condenser Group-Refrigerant | 1 |
| 8T***00 | Bolt (M8x1.25x16mm); (M8x1.25x16-mm) | 2 |
212-9427 Cab Gp-Enclosed Rops
| 10***50 | Support Assem. | 1 |
| 11***75 | Plate | 1 |
| 12***04 | Cable-Propel | 1 |
217-0568 Canopy Gp
| 10***50 | Support Assem. | 1 |
| 11***75 | Plate | 1 |
| 12***04 | Cable-Propel | 1 |
3e-1906 Compressor Gp-Refrigerant
| 10***50 | Support Assem. | 1 |
| 11***75 | Plate | 1 |
| 12***04 | Cable-Propel | 1 |
153-7144 Compressor Gp-Refrigerant
| 08***72 | Seal-O-Ring | 1 |
| 10***16 | Screw; (4-40x15.88-mm) | 4 |
| 10***21 | Cap | 1 |
153-7145 Condenser & Mtg Gp-Refrigerant
| 00***58 | Nut; (1/4-20-Thd) | 2 |
| 03***55 | Locknut; (5/16-18-Thd)(Marked X) | 1 |
| 07***67 | Race-Thrust Bearing | 2 |
201-5954 Control Gp-Direction & Speed
| 09***23 | Ring-Retaining; (External) | 2 |
| 10***04 | Insert | 2 |
| 10***17 | Cover; (Lh)(Lh) | 1 |
153-7111 Control Gp-Direction & Speed
| 09***23 | Ring-Retaining; (External) | 2 |
| 10***15 | Door Assem.; (L.H.) | 1 |
| 10***17 | Cover; (Lh)(Lh) | 1 |
186-3380 Control Gp-Handle -Propel Lever
| 10***91 | Screw; (Flat Head) (No.6-20x0.5in) | 28 |
| 11***59 | Screw-Pan Head; (10-16x0.75-In) | 15 |
| 14***33 | Duct | 1 |
197-3300 Control Gp-Propel
| 10***49 | Harness As-Sensor; (Vibratory) | 1 |
| 15***07 | Guard-Sensor | 1 |
| 17***15 | Strap; (Dual Clamp) | 1 |
178-3836 Cylinder & Mtg Gp-Tilt
| 17***22 | Bracket | 1 |
| 17***36 | Cylinder & Mtg Group-Tilt; -Cab | 1 |
| 21***87 | Cover | 1 |
146-1692 Door Gp-Cab
| 11***09 | Knob-Control | 1 |
| 11***59 | Gasket; (Air Conditioner) | 1 |
| 14***74 | Boot | 1 |
223-4276 Door Gp-Cab -With Sliding Window
| 03***26 | Retainer | 1 |
| 03***38 | Clamp | 2 |
| 10***43 | Plate-Orifice | 2 |
143-5948 Duct Gp-Cab Air
| 10***32 | Lamp Group-Dome | 1 |
| 11***56 | Cover As | 1 |
| 11***58 | Cover As | 1 |
160-6367 Floor Mat Gp
| 10***32 | Lamp Group-Dome | 1 |
| 11***61 | Insulation | 1 |
| 11***19 | Lamp; (24-Volt, 10-Watt) | 1 |
197-2079 Gauge Gp-Vibratory
| 09***13 | Clip | 2 |
| 10***96 | Clip | 2 |
| 14***57 | Clamp-Double | 2 |
210-5550 Guard Gp-Vandalism
| 10***05 | Plate | 2 |
| 10***41 | Connector-Tube | 1 |
| 13***87 | Nipple-Pipe | 1 |
143-5928 Heater & Mtg Gp-Cab
| 10***05 | Plate | 2 |
| 10***41 | Connector-Tube | 1 |
| 13***87 | Nipple-Pipe | 1 |
156-6820 Heater Gp-Cab
| 12***92 | Rod End | 1 |
| 12***80 | Nut-Special; (M8 X 1.25 Thd)L.Hand | 1 |
| 15***20 | Heater Group-Cab | 1 |
135-2929 Module Gp-Warning Indicator
| 13***29 | Lighting Group-Warning; -Engine Temperature | 1 |
| 15***30 | Fan Group-Suction; -Without Air Conditioner | 1 |
| 15***06 | Platform Group-Operator | 1 |
143-5914 Liner Gp-Cab
| 12***92 | Rod End | 1 |
| 12***80 | Nut-Special; (M8 X 1.25 Thd)L.Hand | 1 |
| 14***14 | Liner Group-Cab | 1 |
153-7008 Lines Gp-Air Conditioner
| 15***08 | Lines Group-Air Conditioner | 1 |
| 18***98 | Bracket | 1 |
| 5K***79 | Bolt-Round Head; (3/8-16x11-In) | 1 |
200-7940 Lines Gp-Cab Heater
| 13***82 | Arm-Mirror | 2 |
| 13***83 | Mirror-Convex | 2 |
| 20***40 | Lines Group-Cab Heater | 1 |
153-7159 Lines Gp-Cab Heater
| 15***59 | Lines Group-Cab Heater | 1 |
| 18***98 | Bracket | 1 |
| 20***67 | Plate | 1 |
242-7158 Linkage Gp
| 10***05 | Kit-Receptacle; (6-Pin)(Display Monitor Harness) | 1 |
| 18***35 | Pin-Connector; (16-Ga To 18-Ga) | 5 |
| 24***58 | Linkage Group | 1 |
193-2248 Linkage Gp
| 11***79 | Lamp; (24-Volt)(Temperature Selection) | 4 |
| 19***48 | Linkage Group; -Blade | 1 |
186-1709 Mirror Gp-Rear View -Rops
| 05***74 | Pin | 4 |
| 15***42 | Washer; (70.75x143x10-mm Thk) | 2 |
| 18***09 | Mirror Group-Rear View; -Rops | 1 |
203-3639 Mirror Gp-Rear View -Canopy
| 15***30 | Fan Group-Suction; -Without Air Conditioner | 1 |
| 15***06 | Platform Group-Operator | 1 |
| 15***07 | Control Group-Steering | 1 |
227-5690 Mirror Gp-Rear View -Cab
| 15***30 | Fan Group-Suction; -Without Air Conditioner | 1 |
| 15***07 | Control Group-Steering | 1 |
| 15***09 | Panel Group-Instrument; -Side Console | 1 |
107-4642 Mirror Gp-Rear View -Exterior
| 10***05 | Kit-Receptacle; (6-Pin)(Display Monitor Harness) | 1 |
| 10***42 | Mirror Group-Rear View; -Exterior | 1 |
| 18***35 | Pin-Connector; (16-Ga To 18-Ga) | 5 |
155-5783 Motor Gp-Window Wiper -Front
| 03***49 | Nut-Self Lock; (No.10.Unc) | 2 |
| 09***66 | Washer; (Hard) (4.5x9x1mm Thk) | 3 |
| 10***13 | Seal | 1 |
155-5784 Motor Gp-Window Wiper -Rear
| 10***01 | Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge) | 1 |
| 10***04 | Kit-Receptacle; (4-Pin)(Start Switch) | 1 |
| 10***06 | Receptacle Kit; (Includes Wedge And Receptacle Assem.) | 2 |
143-5926 Mounting Gp-Cab
| 10***01 | Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge) | 1 |
| 10***04 | Kit-Receptacle; (4-Pin)(Start Switch) | 1 |
| 10***06 | Receptacle Kit; (Includes Wedge And Receptacle Assem.) | 2 |
153-5004 Operator Ar
| 03***49 | Nut-Self Lock; (No.10.Unc) | 2 |
| 09***66 | Washer; (Hard) (4.5x9x1mm Thk) | 3 |
| 10***02 | Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness) | 1 |
217-0180 Operator Ar
| 05***74 | Pin | 4 |
| 15***61 | Floor Mat As | 1 |
| 15***41 | Mount As | 4 |
203-5438 Operator Ar
| 05***74 | Pin | 4 |
| 15***61 | Floor Mat As | 1 |
| 15***41 | Mount As | 2 |
153-7110 Panel Gp-Instrument
| 14***03 | Floorplate As | 1 |
| 14***72 | Cab Group | 1 |
| 14***92 | Door Group-Cab | 1 |
153-7109 Panel Gp-Instrument
| 15***09 | Panel Group-Instrument; -Side Console | 1 |
| 16***71 | Rops As | 1 |
| 7T***99 | Link | 16 |
191-7789 Panel Gp-Instrument
| 13***82 | Adjuster St | 1 |
| 13***83 | Cushion-Seat | 1 |
| 13***84 | Cushion-Back | 1 |
153-7106 Platform Gp-Operator
| 15***06 | Platform Group-Operator | 1 |
| 15***95 | Seat Group-Adjustable; -Cloth | 1 |
| 17***75 | Bracket | 2 |
217-0111 Platform Gp-Operator
| 08***17 | Film-Instruction; (Manuals Inside) | 1 |
| 10***53 | Seat Group; -Vinyl | 1 |
| 16***65 | Channel | 2 |
202-0679 Rops Gp
| 15***94 | Seat Group-Adjustable; -Vinyl | 1 |
| 17***23 | Tether | 2 |
| 20***79 | Rops Group | 1 |
143-5912 Rops Gp-Enclosed
| 14***12 | Rops Group-Enclosed | 1 |
| 15***10 | Kit-Stop; (Adjustable Seat) | 1 |
| 15***11 | Kit-Spring; (Adjustable Seat) | 1 |
212-4958 Rops Gp-Enclosed
| 15***10 | Kit-Stop; (Adjustable Seat) | 1 |
| 15***11 | Kit-Spring; (Adjustable Seat) | 1 |
| 15***13 | Kit-Cushion; (Adjustable Seat) | 1 |
143-5944 Seat Gp -Vinyl
| 13***70 | Seal; (326-cm) | 0 |
| 14***44 | Seat Group; -Vinyl | 1 |
| 14***69 | Stop | 1 |
143-5929 Seat Gp -Vinyl
| 09***57 | Screw-Machine; (M5x0.8x5.2-mm) | 6 |
| 13***70 | Seal; (326-cm) | 0 |
| 14***29 | Seat Group; -Vinyl | 1 |
103-5953 Seat Gp
| 10***53 | Seat Group; -Vinyl | 1 |
| 15***77 | Reservoir | 1 |
| 7T***90 | Pump As; (Washer) | 2 |
143-5925 Seat Gp -Cloth
| 09***57 | Screw-Machine; (M5x0.8x5.2-mm) | 6 |
| 13***70 | Seal; (326-cm) | 0 |
| 14***25 | Seat Group; -Cloth | 1 |
156-6195 Seat Gp-Adjustable
| 15***95 | Seat Group-Adjustable; -Cloth | 1 |
| 20***69 | Film-Stripe; (Lh) | 1 |
| 20***70 | Film-Stripe; (Rh) | 1 |
156-6194 Seat Gp-Adjustable
| 11***89 | Blade As-Wiper; (500-mm)(Rear) | 1 |
| 15***74 | Tank Group-Window Washer | 1 |
| 15***79 | Wiper Arm Pivot Group | 1 |
155-4774 Tank Gp-Window Washer
| 15***74 | Tank Group-Window Washer | 1 |
| 15***64 | Film; (Instruction) (Hydraulic Oil) (On Forward Of And Above The Hydraulic Tank Sight Gage On Tank Surface) | 1 |
| 19***38 | Film; (Warning) (Coolant) (To Right Side Of Radiator Fill Cover) | 1 |
130-3643 Window Gp
| 13***43 | Window Group; -Lh | 1 |
| 16***73 | Plate-Warning; (Read Operation Manual) | 1 |
| 19***35 | Plate-Warning-Rops/Fops | 1 |
352-4153 Window Gp-Cab
| 16***99 | Plate-Warning; (Read Operation Manual) | 1 |
| 16***69 | Plate-Warning-Rops/Fops | 1 |
| 1G***77 | Tack-Fastener | 4 |
153-7817 Window Gp-Cab
| 15***17 | Window Group-Cab; -Rh | 1 |
| 16***74 | Plate-Warning; (Read Operation Manual) | 1 |
| 16***74 | Plate-Warning-Rops/Fops | 1 |
180-3871 Window Gp-Door -Sliding
| 16***73 | Plate-Warning; (Read Operation Manual) | 1 |
| 18***71 | Window Group-Door; -Sliding | 1 |
| 1G***77 | Tack-Fastener | 8 |
180-2535 Window Gp-Door
| 16***75 | Plate-Warning; (Read Operation Manual) | 1 |
| 16***70 | Plate-Warning-Rops/Fops | 1 |
| 18***35 | Window Group-Door | 1 |
351-6993 Window Gp-Door -Sliding
| 16***74 | Plate-Warning; (Read Operation Manual) | 1 |
| 35***93 | Window Group-Door; -Sliding | 1 |
| 3E***40 | Film (Warning), Pinch Point Area; . Located On The Left Hand Side Of The Hydraulic Tank. | 2 |
143-5916 Wiper & Washer Gp-Window
| 14***16 | Wiper & Washer Group-Window | 1 |
| 16***99 | Plate-Warning; (Read Operation Manual) | 1 |
| 3E***40 | Film (Warning), Pinch Point Area; . Located On The Left Hand Side Of The Hydraulic Tank. | 2 |
Power Train
198-0277 Axle & Mtg Gp-Drive
| 15***60 | Drum Group-Padded | 1 |
| 18***31 | Drive Group-Support & Vibratory | 1 |
| 18***18 | Drive Group-Drum | 1 |
183-6376 Axle Gp -Without Brakes
| 14***10 | Drum Group-Smooth | 1 |
| 18***76 | Axle Group; -Without Brakes | 1 |
| 18***31 | Drive Group-Support & Vibratory | 1 |
188-3118 Drive Gp-Drum
| 15***35 | Housing Group-Eccentric Weight | 1 |
| 16***34 | Pad-Drum | 108 |
| 18***31 | Drum As-Padded | 1 |
188-3117 Drum Gp-Drive & Vibratory
| 15***35 | Housing Group-Eccentric Weight | 1 |
| 18***17 | Drum Group-Drive & Vibratory | 1 |
| 22***89 | Drum As-Smooth | 1 |
186-5232 Drum Gp-Drive & Vibratory
| 18***32 | Drum Group-Drive & Vibratory | 1 |
| 30***27 | Shell As | 2 |
| 6V***88 | Nut-Self Locking; (M20x2.50 Thd) | 8 |
201-7763 Drum Gp-Padded
| 13***08 | Clamp As | 5 |
| 16***47 | Sleeve-Abrasion; (19.69-Inch) | 0 |
| 17***15 | Strap; (Dual Clamp) | 1 |
153-7160 Drum Gp-Padded
| 15***60 | Drum Group-Padded | 1 |
| 17***64 | Shim; (3-mm Thk) | 6 |
| 8T***23 | Washer-Plated; (22x35x3.5-mm Thk) | 12 |
149-7710 Drum Gp-Smooth
| 14***47 | Elbow; (-12 Orb/Orfs) | 2 |
| 14***68 | Elbow Group | 1 |
| 14***36 | Tee As-Orfs | 1 |
171-6585 Installation Gp-Drum
| 17***85 | Installation Group-Drum | 1 |
| 18***08 | Wheel & Tire Group; -Rh | 1 |
| 18***09 | Wheel & Tire Group; -Lh | 1 |
153-7122 Lines Gp-Propel
| 15***22 | Lines Group-Propel | 1 |
| 18***38 | Wheel & Tire Group | 2 |
| 8T***94 | Washer; (3/4 Hardened) (Current Adapters) | 20 |
188-5121 Motor & Mtg Gp-Propel
| 09***52 | Ring | 1 |
| 09***31 | Bolt; (Socket Head) (M10x1.5x120mm) | 32 |
| 13***64 | Disc-Friction | 3 |
210-7756 Planetary Gp-Final Drive
| 17***85 | Installation Group-Drum | 1 |
| 19***77 | Axle & Mtg Group-Drive | 1 |
| 21***56 | Planetary Group-Final Drive | 1 |
217-1592 Power Train Ar -Padded
| 18***40 | Wheel & Mtg Group-Drive | 1 |
| 18***17 | Drum Group-Drive & Vibratory | 1 |
| 21***92 | Power Train Ar; -Padded | 1 |
216-8741 Power Train Ar
| 18***35 | Wheel & Mtg Group-Drive | 1 |
| 18***32 | Drum Group-Drive & Vibratory | 1 |
| 21***41 | Power Train Ar | 1 |
217-1593 Power Train Ar -Smooth
| 14***19 | Connector As | 1 |
| 14***36 | Adapter; (Straight) (-6 Orb X -6 Orfs) | 2 |
| 14***39 | Connector As. | 2 |
153-7120 Pump & Mtg Gp-Propel
| 15***20 | Pump & Mtg Group-Propel | 1 |
| 19***87 | Bumper Group; -Padded Drum, Without Blade | 1 |
| 20***63 | Drum Group-Padded; -Without Blade | 1 |
214-5572 Shell Ar -Padded
| 07***95 | Cap, Valve Stem | 1 |
| 07***06 | Nut-Valve Stem | 1 |
| 07***92 | Valve | 1 |
186-2340 Wheel & Mtg Gp-Drive
| 07***95 | Cap, Valve Stem | 1 |
| 07***06 | Nut-Valve Stem | 1 |
| 07***92 | Valve | 1 |
186-2335 Wheel & Mtg Gp-Drive
| 07***95 | Cap, Valve Stem | 1 |
| 07***06 | Nut-Valve Stem | 1 |
| 07***92 | Valve | 1 |
186-2309 Wheel & Tire Gp -Lh
| 18***09 | Wheel & Tire Group; -Lh | 1 |
| 19***87 | Bumper Group; -Padded Drum, Without Blade | 1 |
| 20***63 | Drum Group-Padded; -Without Blade | 1 |
186-2338 Wheel & Tire Gp
| 18***38 | Wheel & Tire Group | 1 |
| 19***87 | Plate | 1 |
| 19***12 | Bumper As; (Padded) | 1 |
186-2308 Wheel & Tire Gp -Rh
| 15***95 | Plate & Film Group | 1 |
| 18***08 | Wheel & Tire Group; -Rh | 1 |
| 20***78 | Bumper Group; -Smooth Drum, Without Blade | 1 |
Service Equipment And Supplies
201-0183 Film Gp
| 16***75 | Plate-Warning; (Read Operation Manual) | 1 |
| 20***83 | Film Group; -Stripe | 1 |
| 3E***40 | Film (Warning), Pinch Point Area; . Located On The Left Hand Side Of The Hydraulic Tank. | 2 |
197-7094 Plate & Film Gp -French
| 19***94 | Plate & Film Group; -French | 1 |
216-9794 Plate & Film Gp -Portuguese
| 21***94 | Plate & Film Group; -Non-Rops,Portugese | 1 |
197-7097 Plate & Film Gp -Spanish
| 19***97 | Plate & Film Group; -Spanish | 1 |
153-6995 Plate & Film Gp
| 15***95 | Plate & Film Group | 1 |
| 15***64 | Film; (Instruction) (Hydraulic Oil) (On Forward Of And Above The Hydraulic Tank Sight Gage On Tank Surface) | 1 |
| 19***38 | Film; (Warning) (Coolant) (To Right Side Of Radiator Fill Cover) | 1 |
216-9792 Plate & Film Gp -French
| 21***92 | Plate & Film Group; -Non-Rops,French | 1 |
216-9795 Plate & Film Gp -Spanish
| 21***95 | Plate & Film Group; -Non-Rops,Spanish | 1 |
197-7096 Plate & Film Gp -Portuguese
| 19***96 | Plate & Film Group; -Portuguese | 1 |
216-9791 Plate & Film Gp
| 21***91 | Plate & Film Group; -Non-Rops,English | 1 |
197-7093 Plate & Film Gp
| 19***93 | Plate & Film Group; -English | 1 |
221-5406 Plate & Film Gp
| 22***06 | Plate & Film Group | 1 |
Steering System
153-7107 Control Gp-Steering
| 15***07 | Control Group-Steering | 1 |
| 5C***61 | Nut (M8x1.25 Thd); (M8x1.25 Thd) | 1 |
| 8T***24 | Washer-To Assemble Valve As And Plates | 1 |
153-7156 Cylinder & Mtg Gp-Steering
| 10***05 | Plate | 1 |
| 15***56 | Cylinder & Mtg Group-Steering | 1 |
| 15***83 | Clamp-Half | 4 |
153-5009 Hydraulic Ar-Steering
| 14***40 | Adapter; (Straight) (-8 Orb X -8 Orfs) | 1 |
| 14***28 | Tee As-Orfs | 2 |
| 15***09 | Hydraulic Ar-Steering | 1 |
153-7369 Knob Gp-Steering
| 00***93 | Seal-O-Ring (Id=52.07mm); (52.07-mm Id) | 1 |
| 03***39 | Ring-Back-Up | 1 |
| 12***75 | Ring-Wear | 1 |
203-1722 Lines Gp-Steering
| 10***03 | Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge) | 1 |
| 10***65 | Tee As-Swivel | 1 |
| 14***47 | Elbow; (-12 Orb/Orfs) | 2 |
200-6925 Lines Gp-Steering Cylinder
| 15***20 | Pump & Mtg Group-Propel | 1 |
| 15***22 | Lines Group-Propel | 1 |
| 15***23 | Valve & Mtg Group-Control | 1 |
Vibratory System
186-5231 Drive Gp-Support & Vibratory
| 10***05 | Plate | 2 |
| 13***40 | Locknut; (M8x1.25-Thd) | 1 |
| 18***31 | Drive Group-Support & Vibratory | 1 |
347-4210 Housing Gp-Eccentric Weight
| 14***54 | Elbow; (45) (-8/-8 Orb/Orfs) | 1 |
| 14***58 | Elbow As | 2 |
| 18***33 | Motor Group-Piston; -Vibratory | 1 |
347-4212 Housing Gp-Eccentric Weight
| 14***72 | Elbow Group | 1 |
| 16***51 | Tee Group | 1 |
| 16***67 | Fitting As; (Quick Disconnect, Male)(Quick Disconnect) | 1 |
153-5018 Hydraulic Ar-Vibratory
| 10***09 | Kit-Connecting Plug; (4-Pin)(Sensor Wiring Harness) | 1 |
| 11***18 | Clip | 1 |
| 12***27 | Harness As-Pump | 1 |
153-5024 Hydraulic Ar-Vibratory -Variable Frequency
| 10***69 | Seal; (27.5mm Id) | 2 |
| 14***15 | Connector As | 1 |
| 14***81 | Elbow Group | 2 |
153-7171 Lines Gp-Vibratory
| 11***18 | Clip | 2 |
| 14***15 | Connector As | 1 |
| 14***81 | Elbow Group | 2 |
186-5229 Motor & Mtg Gp-Vibratory
| 14***92 | Shaft | 1 |
| 18***33 | Shot; (Steel)(10-Kg) | 0 |
| 18***29 | Motor & Mtg Group-Vibratory | 1 |
153-7166 Pump & Mtg Gp-Vibratory
| 03***26 | Retainer | 1 |
| 03***38 | Clamp | 2 |
| 10***43 | Plate-Orifice | 2 |
153-7147 Pump & Mtg Gp-Vibratory
| 03***60 | Cup-Roller Bearing | 1 |
| 03***61 | Cone-Roller Bearing | 1 |
| 07***37 | Seal | 1 |
201-7336 Pump & Mtg Gp-Vibratory
| 11***09 | Knob-Control | 1 |
| 11***59 | Gasket; (Air Conditioner) | 1 |
| 14***74 | Boot | 1 |
147-0333 Shaft Gp-Eccentric Weight
| 14***12 | Rops Group-Enclosed | 1 |
| 14***14 | Liner Group-Cab | 1 |
| 14***16 | Wiper & Washer Group-Window | 1 |
159-9405 Support Gp-Vibratory
| 10***42 | Mirror Group-Rear View; -Exterior | 1 |
| 14***11 | Cab Ar | 1 |
| 14***26 | Mounting Group-Cab | 1 |
CS-423E serial number reference
On the CS-423E the PIN/serial plate is a riveted metal tag on the machine frame, typically near the front articulation joint or on the frame rail under/beside the operator's platform. The first three characters are the letter prefix identifying the build/configuration range (and the engine fitted to it), followed by the sequential unit number within that range (for example EAE00001 and up).
| Prefix | Identifies | Notes |
|---|---|---|
| CFX | CS-423E vibratory soil compactor | Fitted with the 3054B diesel. Do not confuse with the sibling CS-433E (CFP prefix) or CP-433E (CFK prefix) — different serial ranges. |
| DCL | CS-423E vibratory soil compactor | Fitted with the 3054B diesel, an earlier emissions tune than the later 3054C ranges. |
| AST | CS-423E vibratory soil compactor | Fitted with the 3054C diesel meeting Stage II / Tier 2-equivalent emissions. |
| BWG | CS-423E vibratory soil compactor | Fitted with the 3054C diesel meeting Stage II / Tier 2-equivalent emissions. Covered by the electrical system manual shared with the CP-433E and CS-433E, but this serial range is CS-423E specific. |
| EAE | CS-423E vibratory soil compactor | Fitted with the 3054C diesel meeting Stage II / Tier 2-equivalent emissions. A later build range than the 3054B-powered ranges. |
Frequently asked questions
What engine does the Caterpillar CS-423E use?
A naturally aspirated Cat 3054-family diesel. Earlier production runs used the 3054B rated around 60 kW (80 hp); later production runs used the 3054C rated around 62 kW (83 hp). Confirm the exact engine and rating against the machine's serial number, since it varies by series.
What is the operating weight of the Caterpillar CS-423E?
Approximately 6,990 kg (15,410 lb) per the factory spec sheet. Actual weight varies slightly by configuration - canopy versus cab, and whether the optional padfoot shell conversion is fitted.
What replaced the Caterpillar CS-423E?
Cat phased the E-series soil compactors out as its single-drum compactor lineup moved on to newer generations in the same size class, including the CS44 and its later CS44B update. There is no single documented one-for-one model-number replacement, so treat this as a size-class successor rather than a direct swap.
What CS-423E owners discuss
Is the CS-423E actually an asphalt paving roller, or something else?
It is a single smooth-drum vibratory soil compactor, not an asphalt mat roller. It runs a rubber-tired rear axle with an articulated frame joint ahead of the drum, and it is built for site prep, trench backfill, and sub-base/road-base compaction rather than finish paving. It shares its brochure and parts family with the CS-433E and CP-433E (CP being the padfoot/pad-shell version of the same platform). Owners cross-shopping it against true asphalt tandem rollers are comparing the wrong machine class.
What engine is under the hood, and is it a safe bet on reliability?
The CS-423E uses Caterpillar's 3054C inline-four diesel, naturally aspirated, rated around 62 kW (83 hp), meeting Stage II emissions. It predates common-rail and aftertreatment complexity, which owners of this era generally like: it is a mechanically injected engine that is straightforward to keep running in the field and easy for an independent shop to service. The usual gripes are the usual mechanical-diesel gripes: clogged fuel filters restricting flow, injector wear from dirty fuel, and general knock or rough running traced back to fuel contamination rather than the engine design itself. Keep fuel filtered and change intervals tight and this powertrain tends to run long past the drum bearings.
How does the dual-amplitude vibratory system work, and what actually wears out on it?
Amplitude (high/low) is selected by reversing the direction the eccentric weight shaft spins, which repositions steel shot inside a hollow eccentric weight rather than needing a separate mechanical shift. The weight and its bearings sit in a factory-sealed pod-style housing with a lubrication interval on the order of 3 years/3000 hours, which cuts down on the field bearing failures older serviceable-bearing drums were prone to. Real-world tells of a tired pod are oil weeping at the housing seal, a growl or knock from the drum only when vibration is engaged, or the amplitude selector failing to actually change output. A drum that has gone quiet on both amplitudes is more often an electrical fault than a bearing failure - check that before assuming the eccentric shaft is shot.
Vibration stopped working - is it the pump or something simpler?
On this compactor family's electrical architecture, a no-vibration complaint traces back to fuses, wiring, or the vibratory solenoid valve far more often than to the hydraulic pump itself. Corrosion or a loose connector between the console vibration switch and the solenoid can drop voltage enough that the solenoid never energizes even though the switch reads fine at the panel. A weak charge-pump pressure signal or a failing alternator can also disable the vibration circuit as a built-in protection rather than a true pump failure. Work the fault from the switch outward - fuse, wiring continuity, voltage at the solenoid connector - before pulling the pump. If the fault persists after ruling out wiring and fuses, have your dealer verify the pump and controller before replacing parts.
What wears first on the drum, tires, and articulation joint?
The drum shell itself is the most exposed part: stones and debris caught under the drum cause scarring, pitting, and dents, and enough of it thins the shell and hurts finish quality. The articulation joint pins and bushings between the front drum frame and rear axle frame are the other classic wear point on this layout - play here shows up as sloppy steering response and, if left unchecked, affects frame control on a grade. Rear tires wear unevenly from the scrubbing action of articulated steering rather than straight-line rolling wear. None of this is unique to Caterpillar; it is standard behavior for any articulated single-drum roller of this size and weight class. Because articulation play affects steering and frame control, have your dealer verify joint and pin wear is within spec before running the machine on slopes.
What should I actually check before buying a used CS-423E?
Walk the drum shell first for dents, pitting, and shell thinning, and check the eccentric weight pod seal for oil weep as an early bearing-wear sign. Work the articulation joint by hand for pin and bushing play. This machine uses a dual-pump propel system with a dedicated pump each for the rear axle and drum drive motor for better gradeability - on a test drive, confirm the machine pulls evenly and does not favor one end or spin the drum under load, since a weak or unbalanced pump shows up as a pull to one side. Check all hydraulic lines and fittings for weeping, especially at the drum drive motor and propel motors. Run the vibration system through both high and low amplitude and confirm the switch and solenoid respond promptly. Pull the oil fill cap and look for milky residue as a head gasket or cooling system red flag, and check tires for uneven scrub wear consistent with the machine's actual working history versus its hour meter. Given how many private and rental fleet units see light seasonal use, a low reading on the hour meter is plausible but should still be backed up by physical wear evidence, not taken at face value.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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