Caterpillarpaving compactorvibratory compactor
Caterpillar CS-553
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar CS-553 is a single-drum vibratory soil compactor built in a drum-front, pneumatic-tire-rear layout, produced roughly 1986 to 1992 under serial prefixes 6ZD, 7AD, and 7BD (an 8BD prefix is referenced by a single source and should be confirmed with a Cat dealer). Every version of the CS-553 runs the Caterpillar 3208 V8 diesel, 10.4 L displacement; no model-specific horsepower rating is confirmed in available factory literature. Operating weight is approximately 10.78 t (23,770 lb), with transport dimensions of roughly 5.207 x 2.438 x 3.25 m and a 2.13 m wide, 1.52 m diameter smooth drum. The line was sold alongside the CS-551 and the CP-553 padfoot compactor, which shares the same chassis and engine; a bolt-on padfoot shell kit lets a smooth-drum CS-553 be converted for cohesive-soil work, effectively offering both drum configurations off one platform.
Caterpillar documented the CS-551, CS-553, and CP-553 together as one compactor family through the late 1980s, then moved the single-drum soil compactor line to the CS-563 series by the mid-1990s with a turbocharged Cat 3116 engine and updated controls. Within its own production run the CS-553 stayed mechanically consistent: analog gauge instrumentation, no electronic control module, and fault diagnosis done with a multimeter and hydraulic pressure gauge rather than a digital service tool. The one notable in-production change was to the vibratory/propel control handle, which added an internal push-button switch on later units — a part now known for wiring failures that cause intermittent vibration or propel dropout. In today's used and parts market, the CS-553 is valued precisely because it lacks the electronics of later CS-563/CS-573-generation compactors: engine, hydraulic, and vibratory systems are straightforward to diagnose and repair, keeping the machine and its parts in demand for owners who want to avoid electronically-controlled equipment.
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-553 specifications
Engine
| Engine model | Cat 3208 (naturally aspirated V8 diesel), used across CS-551, CS-553, and CP-553 machine serial prefixes 6ZD, 7AD, and 7BD through the 1986-1992 production run |
| Cylinders / configuration | 8 cylinders, V-8, four-stroke diesel |
| Displacement | 10.4 L (636 cu in) — 3208 family figure, bore 114.3 mm x stroke 127 mm |
| Gross/net power | Not consistently published for this exact model/serial range in available spec sources — verify rating (NA vs. turbo variant) with a Cat dealer using the machine serial number |
| Emissions tier | Pre-Tier (machine predates U.S. EPA nonroad emissions tiers, which began in the mid-1990s) |
Weights
| Operating weight | approx. 10.78 t (23,770 lb) |
Dimensions
| Transport length | 5.207 m (17.08 ft) |
| Transport width | 2.438 m (8.0 ft) |
| Transport height | 3.25 m (10.66 ft) |
| Drum/roller width | 2.13 m (7.0 ft) |
| Drum/roller diameter | 1.52 m (5.0 ft) |
| Inside turning radius | 3.66 m (12.0 ft) |
Performance
| Travel speed | 10.5 km/h (6.5 mph) |
| Vibration frequency | 30 Hz |
| Centrifugal (compaction) force | 178 kN (approx. 40,000 lbf) |
Service capacities (summary)
| Fuel tank / hydraulic / engine oil / cooling system | Not documented in available spec sources for this exact model — capacities vary by 3208 engine arrangement; verify with a Cat dealer or the machine's OEM service manual |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
CS-553 fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | 13.3 L (3.5 US gal) | Cat DEO (Diesel Engine Oil), heavy-duty diesel engine oil. SAE 15W-40 for normal ambient temperatures; SAE 10W-30 where cold starts are common. Engine is the Cat 3208 diesel fitted to this compactor. |
| Cooling system | 53 L (14.0 US gal) | Cat DEAC (Diesel Engine Antifreeze/Coolant), full-strength ethylene-glycol antifreeze mixed 50/50 with water for standard climates. Increase glycol ratio for extreme cold per the freeze-protection chart. |
| Fuel tank | Not documented for the CS-553 in available sources — confirm with dealer or original OMM. | No. 2-D diesel fuel for normal operation; No. 1-D diesel in cold weather to reduce fuel waxing/gelling. |
| Hydraulic system and tank | 132 L (34.9 US gal) tank capacity | Cat TDTO (Tractor Drivetrain Oil)-class universal hydraulic/drivetrain fluid. SAE 10W for cold-weather operation, SAE 30 for normal operating temperatures. Return-oil filter inside the tank uses a 10-micron element with a 172 kPa (25 psi) bypass valve. |
| Differential (drive axle) | 8.5-9.0 L (2.25-2.38 US gal) | GL-5 hypoid gear lubricant, SAE 80W-90 equivalent (Cat TDTO-class drivetrain fluid). |
| Final drives / planetary gear housings (each) | 3.8 L (1.0 US gal) on most serial ranges; 1.25 L (0.33 US gal) on a narrow mid-production serial band. Varies by configuration/serial prefix (7AD vs. 7BD1-and-up production). | GL-5 hypoid gear lubricant, SAE 80W-90 equivalent. |
| Pump drive gearbox (vibratory/hydraulic double-pump drive) | 4.2 L (1.1 US gal) | GL-5 hypoid gear lubricant, SAE 80W-90 equivalent. |
| Vibratory mechanism / eccentric weight bearing housing | 22.7 L (6.0 US gal) | Heavy extreme-pressure gear lubricant, ISO VG 320-class. Confirm exact Cat product name with a dealer. |
| Grease points (chassis, pivots, vibratory bearings) | Spec only — no fill volume listed | Cat multipurpose EP-2 grease, moly-fortified (MPGM-type), NLGI 2. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar CS-553 maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 4,000 h |
|
Servicing the CS-553 beyond the schedule
Predictive Maintenance & Fluid Analysis
Track the Cat 3208's oil condition with regular sampling — this pre-electronic V8 has no ECM to flag wear, so lab analysis of engine crankcase, differential/planetary, hydraulic tank, and eccentric weight housing gear oil is the main early warning system. Falling vibration frequency or centrifugal force output on the CS-553 usually traces back to eccentric weight bearing wear before it shows up anywhere else, so sample the weight housing oil at every scheduled service to catch metal content early and avoid a full vibratory drum teardown later.
Corrective & Common Repairs
Most CS-553 faults are mechanical, not electronic. A plugged radiator core or worn water pump drives overheating, which leads to head gasket failure and blow-by on the 3208 V8 — check coolant condition and belt tension often. Hard starting usually traces to restricted fuel filters or a dirty air cleaner element as the machine ages. On later-production units, the vibratory/propel control handle uses an internal push-button switch; failed wiring inside the handle causes intermittent vibration or propel dropout, so check continuity there before chasing the drum bearing or a solenoid.
Overhaul & Rebuild Points
At major overhaul, inspect the eccentric weight bearing housing first — it is the CS-553's highest-wear vibratory component and drives frequency and force loss when worn. Rebuild the differential and planetary final drive compartments together, checking gear oil for metal fines. On the 3208, plan a top-end rebuild around head gasket, injector, and valve train condition once an overheating history is suspected. Drum bearing and scraper wear, plus rear axle and tire (23.1 x 26) condition, round out a full undercarriage rebuild inspection on this drum-front, tire-rear platform.
Seasonal & Environment Servicing
Cold-weather starts on the 3208 depend on fuel and air filter condition — service both before winter to head off hard-starting complaints on this pre-electronic engine, and check coolant strength for freeze protection. In wet or muddy conditions, the smooth-drum CS-553's scraper and drum bearing need more frequent inspection to keep debris from packing between drum and scraper blade. Rear pneumatic tires (23.1 x 26) lose traction faster on soft or contaminated ground, so check inflation and tread condition more often during seasonal grading or fill work.
CS-553 fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Coolant Temperature warning light (red) | Engine coolant temperature above normal operating range | Low coolant level, clogged radiator core, slipping or broken fan belt, faulty temperature sending unit | Stop engine safely, let it cool, check coolant level and radiator fins, inspect belt tension before restart |
| Engine Oil Pressure warning light (red) | Engine oil pressure below normal operating range | Low oil level, worn oil pump, plugged oil filter, faulty pressure sending unit | Shut engine down immediately, check oil level and filter condition before restarting |
| Alternator / Charging System warning light (red) | Charging circuit not producing normal output | Broken or slipping alternator belt, failed alternator, loose or corroded battery connections | Check belt condition and tension, inspect battery terminals and wiring, test alternator output |
| Air Cleaner Service Indicator (restriction gauge) | Intake air restriction has reached the service limit | Dirty or clogged primary/secondary air filter element | Inspect and clean or replace the air filter element, reset the indicator |
| Hydraulic Oil Temperature gauge in red range | Hydraulic system oil temperature above normal operating range | Low hydraulic oil level, clogged oil cooler, extended high-load operation, failing hydraulic pump | Idle down and let system cool, check hydraulic oil level and cooler fins for blockage |
| Vibratory system inoperative (no dash indicator) | Drum vibration does not engage when switch is activated; no discrete fault code is produced, the operator simply observes no vibration | Blown instrument-panel fuse, failed vibratory switch or solenoid wiring, low hydraulic charge pressure to the vibratory pump/motor | Check the vibratory circuit fuse first, then test the switch and solenoid wiring, then pressure-test the vibratory hydraulic circuit with a gauge |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
CS-553 attachments & work tools
Padfoot shell kit (drum conversion)
The CS-553 is the smooth-drum member of its size class; Caterpillar catalogued a padfoot-drum sister machine on the same platform (CP-553), confirming a factory pad-shell conversion path for this chassis. Bolt-on oval or square pad shells fit over the base smooth-drum shell to shift the machine from granular/smooth compaction to semi-cohesive and cohesive soil work.
Drum scraper / cleaner bars
Factory drum scraper bars run the width of the roller to strip mud and soil buildup off the shell during operation. The parts catalog for this model carries a separate padded-drum scraper group, meaning the scraper style differs between smooth-shell and pad-shell running gear.
Rear axle tire package
Rear (non-drum) axle runs pneumatic rubber tires sized 23.1 x 26, the size specified across the CS-533/CS-553 tire family for this size class. No alternate tire size is documented specifically for this model; this is the standard fitment for the drum-front, tire-rear single-drum roller layout.
Operator protection - ROPS/FOPS canopy or cab
Single-drum compactors of this era and size class were offered with either a bolt-on ROPS/FOPS canopy or an enclosed ROPS/FOPS cab (heater/defroster, or heater/defroster plus factory air conditioning). This is best documented on the immediate successor CS-533/CS-563 generation; a CS-553-specific specalog was not located, so confirm exact cab/canopy availability by serial number with a dealer.
Drum-shell mounting method
The padfoot shell kit is a mechanical bolt-on shell attached directly to the base smooth-drum shell with retaining hardware; no hydraulic quick-coupler or auxiliary hydraulic circuit is needed to change drum shells. This compactor has no boom- or arm-mounted hydraulic work tools; the drum shell swap is the machine's only true work-tool-equivalent option.
All CS-553 assemblies by section
Every catalogued assembly group for the Caterpillar CS-553. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Basic Engine
9n0728 Camshaft Gp-Single
| 9N***28 | Camshaft Group-Single; Camshaft Group | 1 |
9l6065 Cover Gp-Cylinder Block
| 9L***65 | Cover Group-Cylinder Block; Cylinder Block Cover Group | 1 |
4n5866 Cover Gp-Flywheel Housing
| 4N***66 | Cover Group-Flywheel Housing | 1 |
4w6968 Cover Gp-Valve Mechanism
| 4W***68 | Cover Group-Valve Mechanism | 1 |
4w6972 Cover Gp-Mechanism
| 4W***72 | Cover Group-Valve Mechanism | 1 |
9n0730 Cover Gp-Valve Mechanism
| 9N***30 | Cover Group-Valve Mechanism; Valve Mechanism Cover Group | 1 |
2w0085 Crankshaft Gp
| 2W***85 | Crankshaft Group | 1 |
9n6222 Crankshaft Gp
| 9N***22 | Crankshaft Group | 1 |
9n3761 Cylinder Block Gp
| 9N***61 | Cylinder Block Group; Cylinder Block Group | 1 |
7c2320 Cylinder Head As*R
| 7C***20 | Cylinder Head As | 1 |
7c2295 Cylinder Head As
| 7C***95 | Cylinder Head As | 1 |
7c3807 Cylinder Head As
| 7C***07 | Cylinder Head As | 1 |
7c2296 Cylinder Head As
| 7C***96 | Cylinder Head As | 1 |
1w4241 Cylinder Head Gp*R
| 1W***41 | Cylinder Head Group | 1 |
9n1105 Cylinder Head Gp*R
| 9N***05 | Cylinder Head Group; Cylinder Head Group | 1 |
9n5590 Pulley & Damper Gp
| 9N***90 | Damper & Pulley Group; Pulley And Damper Group | 1 |
7x9117 Drive Gp-Double Pump
| 7X***17 | Drive Group-Double Pump | 1 |
7w5993 Drive Gp-Tachometer
| 7W***93 | Drive Group-Tachometer | 1 |
7r7930 Engine Gp-Installation-Part 1 Of 6
| 7R***30 | Engine Group | 1 |
7r7930 Engine Gp-Installation-Part 5 Of 6
| 7R***30 | Engine Group | 1 |
7r7930 Engine Gp-Installation-Part 4 Of 6
| 7R***30 | Engine Group | 1 |
7r7930 Engine Gp-Installation-Part 6 Of 6
| 7R***30 | Engine Group | 1 |
7r7930 Engine Gp-Installation-Part 2 Of 6
| 7R***30 | Engine Group | 1 |
7r7930 Engine Gp-Installation-Part 3 Of 6
| 7R***30 | Engine Group | 1 |
6n8799 Flywheel Gp
| 6N***99 | Flywheel Group | 1 |
4n5870 Housing Gp-Flywheel
| 4N***70 | Housing Group-Flywheel | 1 |
9n5211 Housing Gp-Front
| 9N***11 | Housing Group-Front; Front Housing Group | 1 |
4n6808 Lifting Gp
| 4N***08 | Lifting Group-Engine | 1 |
9n0565 Pan Gp-Oil
| 9N***65 | Pan Group-Oil; Oil Pan Group, Serial No. 90n1 To 90n1582 Inclusive | 1 |
7c2112 Parts Gp-Miscellaneous
| 3F***56 | Lockwasher; (8.43x15.5x0.76mm Thk) | 4 |
| 4B***63 | Washer; (4.7x11x1.2-mm Thk) | 1 |
| 6L***74 | Rod (Alternator Adjusting) | 1 |
9n6435 Rod & Piston Gp-8 Required
| 9N***35 | Piston & Rod Group | 1 |
7w3901 Rod & Piston Gp-8 Required
| 7W***01 | Piston & Rod Group | 1 |
7w3900 Piston Gp
| 7W***00 | Piston Group | 1 |
2w4841 Piston Gp
| 2W***41 | Piston Group | 1 |
9n0542 Seal Gp-Crankshaft
| 9N***42 | Seal Group-Crankshaft; Crankshaft Seal Group | 1 |
9n3763 Service Gp-Cylinder Block
| 9L***65 | Cover Group-Cylinder Block; Cylinder Block Cover Group | 1 |
| 9N***61 | Cylinder Block Group; Cylinder Block Group | 1 |
| 9N***63 | Service Group-Cylinder Block | 1 |
9n5224 Support Gp-Engine
| 9N***24 | Support Group-Engine | 1 |
9l8790 Valve As-Crankcase Ventilation
| 9L***90 | Valve As-Pcv | 1 |
7c6353 Valve As-Crankcase Ventilation
| 7C***53 | Valve As-Pcv | 1 |
9n0487 Valve Mechanism Gp
| 9N***87 | Valve Mechanism Group; Valve Mechanism Group | 1 |
Brakes
7r6496 Brake Gp
| 7R***96 | Brake Group | 1 |
7r6501 Brake Gp-Part 2 Of 2
| 7R***01 | Brake Group | 1 |
7r6501 Brake Gp-Part 1 Of 2
| 7R***01 | Brake Group | 1 |
780393 Brake Gp-Caliper
| 07***93 | Brake Group-Caliper | 1 |
980074 Valve Gp-Brake
| 09***74 | Valve Group-Brake | 1 |
Cooling System
7w1764 Oil Cooler & Filter Base Gp
| 7W***64 | Base Group-Oil Cooler & Filter | 1 |
9n0729 Cooler Gp-Engine Oil
| 9N***29 | Cooler Group-Engine Oil | 1 |
1w7526 Cooler Gp-Engine Oil
| 1W***26 | Cooler Group-Engine Oil | 1 |
3n2445 Fan Gp-Suction
| 3N***45 | Fan Group-Suction; Suction Fan Group | 1 |
9n0733 Lines Gp-Water
| 9N***33 | Lines Group-Water; Water Lines Group | 1 |
9n3654 Pump Gp-Water
| 9N***54 | Pump Group-Water; Water Pump Group | 1 |
Drum
8c0070 Blade Gp-Leveling-Part 1 Of 2
| 8C***70 | Blade Group-Leveling | 1 |
8c0070 Blade Gp-Leveling-Part 2 Of 2
| 8C***70 | Blade Group-Leveling | 1 |
777143 Coupling As
| 07***43 | Coupling As | 1 |
980193 Cylinder Gp-Hydraulic (Chg 00a)
| 09***93 | Cylinder Group-Hydraulic | 1 |
5e0059 Drum As-Padded
| 5E***59 | Drum As-Padded | 1 |
5e0058 Drum As-Smooth
| 5E***58 | Drum As-Smooth | 1 |
7r9523 Drum As-Smooth-Part 4 Of 4
| 7R***23 | Drum As-Smooth | 1 |
7r9523 Drum As-Smooth-Part 1 Of 4
| 7R***23 | Drum As-Smooth | 1 |
7r9523 Drum As-Smooth-Part 2 Of 4
| 7R***23 | Drum As-Smooth | 1 |
7r9523 Drum As-Smooth-Part 3 Of 4
| 7R***23 | Drum As-Smooth | 1 |
7r6490 Drum Gp-Padded-Part 2 Of 4
| 7R***90 | Drum Group-Padded | 1 |
7r6490 Drum Gp-Padded-Part 3 Of 4
| 7R***90 | Drum Group-Padded | 1 |
7r6490 Drum Gp-Padded-Part 1 Of 4
| 7R***90 | Drum Group-Padded | 1 |
7r6490 Drum Gp-Padded-Part 4 Of 4
| 7R***90 | Drum Group-Padded | 1 |
7r6503 Drum Gp-Smooth-Part 3 Of 4
| 7R***03 | Drum Group-Smooth | 1 |
7r6503 Drum Gp-Smooth-Part 1 Of 4
| 7R***03 | Drum Group-Smooth | 1 |
7r6503 Drum Gp-Smooth-Part 2 Of 4
| 7R***03 | Drum Group-Smooth | 1 |
7r6503 Drum Gp-Smooth-Part 4 Of 4
| 7R***03 | Drum Group-Smooth | 1 |
7x5282 Gearbox Housing & Bearing As
| 7X***82 | Gearbox | 1 |
8c9291 Kit-Padded Drum
| 07***32 | Tip | 9 |
| 07***33 | Pin-Flexible | 9 |
| 07***53 | Bolt; (3/4-4in) | 1 |
8c9283 Kit-Smooth Drum
| 07***02 | Scraper-Blade | 1 |
| 07***63 | Washer-Lock | 11 |
| 09***78 | Bar-Scraper Retainer | 1 |
777187 Valve Gp-Hydraulic Control
| 07***87 | Valve Group-Control | 1 |
Engine Arrangement
1w0326 Engine Ar-Part 2 Of 2
| 1W***26 | Engine Ar | 1 |
| 1W***06 | Pump Group-Engine Oil | 1 |
| 4N***14 | Pump Group-Fuel Priming; Fuel Priming Pump Group | 1 |
9e2020 Engine Ar
| 1W***26 | Engine Ar | 1 |
| 2N***05 | Starting Motor Group-Electric | 1 |
| 3N***45 | Fan Group-Suction; Suction Fan Group | 1 |
1w0326 Engine Ar-Part 1 Of 2
| 1W***26 | Engine Ar | 1 |
| 1W***38 | Filter Group-Engine Oil | 1 |
| 4N***66 | Cover Group-Flywheel Housing | 1 |
Frame
7r6491 Frame Gp-Sheet Metal-Part 1 Of 3
| 7R***91 | Frame Group-Sheet Metal | 1 |
7r6491 Frame Gp-Sheet Metal-Part 2 Of 2
| 7R***91 | Frame Group-Sheet Metal | 1 |
7r6491 Frame Gp-Sheet Metal-Part 3 Of 3
| 7R***91 | Frame Group-Sheet Metal | 1 |
7r6491 Frame Gp-Sheet Metal-Part 1 Of 2
| 7R***91 | Frame Group-Sheet Metal | 1 |
7r6491 Frame Gp-Sheet Metal-Part 2 Of 3
| 7R***91 | Frame Group-Sheet Metal | 1 |
7x8994 Kit-Operator Platform
| 07***88 | Walk-Safety | 1 |
| 07***49 | Nut | 4 |
| 07***63 | Lock | 1 |
7x9550 Kit-Operator Platform
| 07***88 | Walk-Safety | 1 |
| 07***49 | Nut | 4 |
| 07***63 | Lock | 1 |
7x9549 Kit-Operator Platform
| 07***49 | Nut | 4 |
| 07***63 | Lock | 1 |
| 07***30 | Washer | 4 |
7x8993 Kit-Operator Platform
| 07***49 | Nut | 4 |
| 07***63 | Lock | 1 |
| 07***30 | Washer | 4 |
7x9012 Seat As
| 7X***12 | Seat As | 1 |
7r6489 Structural Gp-Part 2 Of 2
| 7R***89 | Structural Group | 1 |
7r6489 Structural Gp-Part 1 Of 2
| 7R***89 | Structural Group | 1 |
Fuel System And Governor
9l6743 Control Gp-Governor
| 9L***43 | Control Group-Governor; Governor And Control Group | 1 |
9n0740 Drive Gp-Governor & Fuel Pump
| 9N***40 | Drive Group-Governor & Fuel Pump; Governor And Fuel Pump Drive Group | 1 |
9l6925 Fastener Gp-Fuel Pump Housing
| 9L***25 | Fastener Group-Fuel Pump Housing; Fuel System Fastener Group | 1 |
4n5868 Filter Gp-Fuel
| 4N***68 | Filter Group-Fuel; Fuel Filter Group | 1 |
9n0435 Lines Gp-Fuel Filter
| 9N***35 | Lines Group-Fuel Filter; Fuel Filter Lines Group | 1 |
7w1998 Lines Gp-Fuel Injection
| 7W***98 | Lines Group-Fuel Injection; Fuel Injection Lines Group | 1 |
4w5798 Lines Gp-Fuel Injection
| 4W***98 | Lines Group-Fuel Injection | 1 |
9y0301 Lines Gp-Fuel Injection
| 9Y***01 | Lines Group-Fuel Injection | 1 |
4w5799 Lines Gp-Fuel Injection
| 4W***99 | Lines Group-Fuel Injection | 1 |
4w5800 Lines Gp-Fuel Injection
| 4W***00 | Lines Group-Fuel Injection; Fuel Injection Lines Group | 1 |
9y0300 Lines Gp-Fuel Injection
| 9Y***00 | Lines Group-Fuel Injection | 1 |
4n4314 Pump Gp-Fuel Priming
| 4N***14 | Pump Group-Fuel Priming; Fuel Priming Pump Group | 1 |
9y0509 Governor & Fuel Injection Pump Gp-Part 4 Of 5
| 9Y***09 | Pump Group-Gov & Fuel Inj | 1 |
4w5607 Governor & Fuel Injection Pump Gp
| 4W***07 | Pump Group-Gov & Fuel Inj | 1 |
9y0509 Governor & Fuel Injection Pump Gp-Part 1 Of 5
| 9Y***09 | Pump Group-Gov & Fuel Inj | 1 |
4w5641 Governor & Fuel Injection Pump Gp-Part 2 Of 5
| 4W***41 | Pump Group-Gov & Fuel Inj | 1 |
9y0509 Governor & Fuel Injection Pump Gp-Part 3 Of 5
| 9Y***09 | Pump Group-Gov & Fuel Inj | 1 |
9y0509 Governor & Fuel Injection Pump Gp-Part 5 Of 5
| 9Y***09 | Pump Group-Gov & Fuel Inj | 1 |
9y0491 Governor & Fuel Injection Pump Gp
| 9Y***91 | Pump Group-Gov & Fuel Inj; Pump Gp-Governor & Fuel Injection | 1 |
9y0492 Governor & Fuel Injection Pump Gp
| 9Y***92 | Pump Group-Gov & Fuel Inj | 1 |
4w5641 Governor & Fuel Injection Pump Gp-Part 5 Of 5
| 4W***41 | Pump Group-Gov & Fuel Inj | 1 |
9y0509 Governor & Fuel Injection Pump Gp-Part 2 Of 5
| 9Y***09 | Pump Group-Gov & Fuel Inj | 1 |
4w5636 Governor & Fuel Injection Pump Gp*R
| 4W***36 | Pump Group-Gov & Fuel Inj | 1 |
| 4W***37 | Pump Group-Gov & Fuel Inj | 1 |
| 8M***61 | Seal (Tachometer Drive Adapter To Cover) | 1 |
4w5641 Governor & Fuel Injection Pump Gp-Part 3 Of 5
| 4W***41 | Pump Group-Gov & Fuel Inj | 1 |
9y0512 Governor & Fuel Injection Pump Gp
| 9Y***12 | Pump Group-Gov & Fuel Inj; Governor & Fuel Injection Pump Gp | 1 |
4w5641 Governor & Fuel Injection Pump Gp-Part 4 Of 5
| 4W***41 | Pump Group-Gov & Fuel Inj | 1 |
4w5606 Governor & Fuel Injection Pump Gp
| 4W***06 | Pump Group-Gov & Fuel Inj; Pump Gp-Governor & Fuel Injection | 1 |
9y0511 Governor & Fuel Injection Pump Gp*R
| 8M***61 | Seal (Tachometer Drive Adapter To Cover) | 1 |
| 8M***57 | Seal-Governor Housing To Cylinder Block | 1 |
| 9L***30 | Gasket-Cross Over Pipe | 2 |
4w5637 Governor & Fuel Injection Pump Gp
| 4W***37 | Pump Group-Gov & Fuel Inj | 1 |
4w5641 Governor & Fuel Injection Pump Gp-Part 1 Of 5
| 4W***41 | Pump Group-Gov & Fuel Inj | 1 |
9n6519 Separator Gp-Water
| 9N***19 | Separator Group-Water | 1 |
6n0509 Torque Control Gp
| 6N***09 | Torque Control Group | 1 |
Instruments
7r6492 Electrical Gp-Part 3 Of 3
| 7R***92 | Electrical Group | 1 |
7r6492 Electrical Gp-Part 2 Of 3
| 7R***92 | Electrical Group | 1 |
7r6492 Electrical Gp-Part 1 Of 3
| 7R***92 | Electrical Group | 1 |
7r8363 Panel As-Instrument
| 7R***63 | Panel As-Instrument | 1 |
Intake And Exhaust System
9n3846 Adapter Gp-Air Cleaner
| 9N***46 | Adapter Group-Air Cleaner; Air Cleaner Adapter Group | 1 |
7x9093 Air Cleaner As
| 7X***93 | Air Cleaner As | 1 |
4n5867 Elbow Gp-Exhaust
| 4N***67 | Elbow Group-Exhaust | 1 |
9n0735 Lines Gp-Pcv
| 9N***35 | Lines Group-Pcv; Positive Crankcase Ventilation Valve Group | 1 |
4n5875 Manifold Gp-Exhaust
| 4N***75 | Manifold Group-Exhaust; Exhaust Manifold Group | 1 |
9n0555 Manifold Gp-Inlet
| 9N***55 | Manifold Group-Inlet; Inlet Manifold Group | 1 |
Lubrication System
1w2638 Filter Gp-Engine Oil
| 1W***38 | Filter Group-Engine Oil | 1 |
7n4303 Gauge Gp-Oil Level (Dipstick)
| 7N***03 | Gauge Group-Oil Level (Dipstick) | 1 |
9n2538 Gauge Gp-Oil Level
| 9N***38 | Gauge Group-Oil Level (Dipstick) | 1 |
9y0303 Guide Gp-Oil Level-Front
| 9Y***03 | Guide Group-Oil Level; Guide Gp-Engine Oil Level | 1 |
9n6641 Lines Gp-Engine Oil-Front Sump
| 9N***41 | Lines Group-Engine Oil; -Front Sump | 1 |
7c6493 Lines Gp-Engine Oil-Front Sump
| 7C***93 | Lines Group-Engine Oil; Lines Gp-Engine Oil-Front Sump | 1 |
1w2206 Pump Gp-Oil
| 1W***06 | Pump Group-Engine Oil | 1 |
Propel
7x9460 Axle As-Part 2 Of 3
| 7X***60 | Axle As | 1 |
7x9460 Axle As-Part 3 Of 3
| 7X***60 | Axle As | 1 |
7x9461 Axle As
| 7X***61 | Axle As | 1 |
7x9460 Axle As-Part 1 Of 3
| 7X***60 | Axle As | 1 |
7x9472 Carrier As-Planet
| 7X***72 | Carrier As-Planetary | 1 |
7x9105 Control As-Throttle
| 7X***05 | Control As | 1 |
7x9438 Control As-Propel
| 7X***38 | Control As | 1 |
7r7931 Control As-Propel
| 7R***31 | Control As-Propel | 1 |
7r6497 Control Gp-Part 1 Of 2
| 7R***97 | Control Group | 1 |
7r6497 Control Gp-Part 2 Of 2
| 7R***97 | Control Group | 1 |
7x9485 Differential & Carrier As
| 7X***85 | Differential & Carrier As | 1 |
7x8755 Divider As-Flow
| 7X***55 | Divider As-Flow | 1 |
7r6488 Drive Train Gp-Part 1 Of 2
| 7R***88 | Drive Train Group | 1 |
7r6488 Drive Train Gp
| 7R***88 | Drive Train Group | 1 |
7r6488 Drive Train Gp-Part 2 Of 2
| 7R***88 | Drive Train Group | 1 |
7x7183 Gear Box Gp
| 7X***83 | Gearbox Group | 1 |
7x7337 Gear Box Gp
| 7X***37 | Gearbox Group | 1 |
777198 Gear Box Gp
| 07***98 | Gearbox Group | 1 |
7x9184 Handle As-Propel
| 7X***84 | Handle As-Propel | 1 |
7x9119 Motor Gp-Hydraulic
| 7X***19 | Motor Group-Hydraulic | 1 |
7x8711 Motor Gp-Hydraulic*R
| 7X***11 | Motor Group-Hydraulic | 1 |
7x9190 Motor Gp-Hydraulic*R
| 7X***90 | Motor Group-Hydraulic | 1 |
9x0498 Motor Gp-Hydraulic*R
| 9X***98 | Motor Group-Hydraulic | 1 |
5e4916 Motor Gp-Hydraulic
| 5E***16 | Motor Group-Hydraulic | 1 |
9x0499 Motor Gp-Hydraulic*R
| 9X***99 | Motor Group-Hydraulic | 1 |
0330802 Piston Gp
| 03***02 | Piston Group-Pump | 1 |
7r6494 Propel Gp-Part 3 Of 4
| 7R***94 | Propel Group | 1 |
7r6494 Propel Gp-Part 2 Of 4
| 7R***94 | Propel Group | 1 |
7r6502 Propel Gp-Part 3 Of 4
| 7R***02 | Propel Group | 1 |
7r6494 Propel Gp-Part 4 Of 4
| 7R***94 | Propel Group | 1 |
7r6494 Propel Gp-Part 1 Of 4
| 7R***94 | Propel Group | 1 |
7r6502 Propel Gp-Part 4 Of 4
| 7R***02 | Propel Group | 1 |
7x8403 Propel Gp
| 7X***03 | Propel Group | 1 |
7r6502 Propel Gp-Part 2 Of 4
| 7R***02 | Propel Group | 1 |
7r6502 Propel Gp-Part 1 Of 4
| 7R***02 | Propel Group | 1 |
7x8754 Propel Gp
| 7X***54 | Propel Group | 1 |
984195 Pump Gp-Hydraulic-Part 1 Of 2*R
| 09***95 | Pump Group-Hydraulic | 1 |
980197 Pump Gp-Hydraulic
| 09***97 | Pump Group-Hydraulic | 1 |
984195 Pump Gp-Hydraulic*R
| 09***95 | Pump Group-Hydraulic | 1 |
980197 Pump Gp-Hydraulic-Part 2 Of 2
| 09***97 | Pump Group-Hydraulic | 1 |
980197 Pump Gp-Hydraulic-Part 1 Of 2
| 09***97 | Pump Group-Hydraulic | 1 |
984195 Pump Gp-Hydraulic-Part 2 Of 2*R
| 09***95 | Pump Group-Hydraulic | 1 |
7x9462 Reducer As-Gear
| 7X***62 | Reducer As-Gear | 1 |
7r5864 Spool As
| 7R***64 | Spool As | 1 |
7x8449 Valve Gp-Flow Divider
| 7X***49 | Valve Group-Flow Divider | 1 |
7r5862 Valve Gp-Flow Divider
| 7R***62 | Valve Group-Flow Divider | 1 |
7x5637 Valve Gp-Relief
| 7X***37 | Valve Group-Relief | 1 |
7r6498 Wheel & Tire Gp
| 7R***98 | Wheel & Tire Group | 1 |
7r6500 Wheel & Tire Gp
| 7R***00 | Wheel & Tire Group | 1 |
Service Equipment And Supplies
Hardware Chart-Part 1 Of 2
| 7H***00 | Chart-Hardware | 1 |
Hardware Chart-Part 2 Of 2
| 7H***00 | Chart-Hardware | 1 |
O-Ring Chart-Part 2 Of 2
| 7R***00 | Chart-O-Ring | 1 |
O-Ring Chart-Part 1 Of 2
| 7R***00 | Chart-O-Ring | 1 |
7r6505 Paint & Decal Gp-Part 2 Of 2
| 03***91 | Pop - Rivet (To Secure Safety Lable) | 12 |
| 07***58 | Trim, Molding 1/8" | 1 |
| 07***88 | Walk-Safety | 1 |
7r6505 Paint & Decal Gp-Part 1 Of 2
| 07***12 | Decal-Safety Sign-Pivot Area | 2 |
| 07***34 | Film-Caution | 1 |
| 07***53 | Decal-Engine R.P.M. | 1 |
Starting And Electrical System
4w8941 Alternator Gp-12 Volt
| 4W***41 | Alternator Group-Charging | 1 |
7t2096 Alternator Gp-12 Volt
| 7T***96 | Alternator Group-Charging | 1 |
8c0069 Light Gp-Working
| 8C***69 | Lighting Group-Working | 1 |
9n0683 Shut-Off Gp-Electrical-12 Volt
| 9N***83 | Shutoff Group-Electrical | 1 |
6n3749 Solenoid As-Shut-Off-12 Volt
| 6N***49 | Solenoid As-Shutoff; Solenoid Shut-Off Group | 1 |
6t6121 Solenoid As-Shut-Off-12 Volt
| 6T***21 | Solenoid As-Shutoff; Shut-Off Solenoid Group | 1 |
6t4750 Solenoid As-Shut-Off-12 Volt
| 6T***50 | Solenoid As-Shutoff; Solenoid Shut-Off Group | 1 |
6n9988 Solenoid Gp-Shut-Off-12 Volt
| 6N***49 | Solenoid As-Shutoff; Solenoid Shut-Off Group | 1 |
| 6N***88 | Solenoid Group-Shutoff | 1 |
| 6T***50 | Solenoid As-Shutoff; Solenoid Shut-Off Group | 1 |
7t2265 Starting Motor Gp-Electric
| 7T***65 | Starting Motor Group-Electric; Starting Motor Gp-Electric-Bosch | 1 |
3t2655 Starting Motor Gp-Electric*R
| 3T***55 | Starting Motor Group-Electric | 1 |
| 7T***65 | Starting Motor Group-Electric; Starting Motor Gp-Electric-Bosch | 1 |
| 8C***48 | Starting Motor Group-Electric; Starting Motor Gp-Electric-Delco-Remy | 1 |
7t2265 Starting Motor Gp-Electric-12 Volt
| 7T***65 | Starting Motor Group-Electric; Starting Motor Gp-Electric-Bosch | 1 |
8c3648 Starting Motor Gp-Electric-12 Volt
| 8C***48 | Starting Motor Group-Electric; Starting Motor Gp-Electric-Delco-Remy | 1 |
2n9305 Starting Motor Gp-Electric-12 Volt
| 2N***05 | Starting Motor Group-Electric | 1 |
Steering
778113 Cylinder Gp-Hydraulic (Chg 00a)
| 07***13 | Cylinder Group-Hydraulic | 1 |
777316 Pump Gp-Hydraulic
| 07***16 | Pump Group-Hydraulic | 1 |
7r6493 Steering Gp
| 7R***93 | Steering Group | 1 |
779225 Valve Gp-Steering
| 07***25 | Valve Group-Steering | 1 |
Vibratory
980273 Filter Gp-Hydraulic
| 09***73 | Filter Group-Hydraulic | 1 |
7x7273 Motor Gp-Hydraulic
| 7X***73 | Motor Group-Hydraulic | 1 |
5e9899 Pump Gp
| 5E***99 | Pump Group | 1 |
780410 Pump Gp-Hydraulic
| 07***10 | Pump Group-Hydraulic | 1 |
778044 Valve Gp-Control
| 07***44 | Valve Group-Control | 1 |
7x8922 Valve Gp-Control
| 7X***22 | Valve Group-Control | 1 |
5e9566 Valve Gp-Control
| 5E***66 | Valve Group-Control | 1 |
7r6495 Vibratory Gp-Part 2 Of 2
| 7R***95 | Vibratory Group | 1 |
7r6495 Vibratory Gp-Part 1 Of 2
| 7R***95 | Vibratory Group | 1 |
7r6495 Vibratory Gpp-Part 1 Of 2
| 7R***95 | Vibratory Group | 1 |
CS-553 serial number reference
On the CS-553 the PIN/serial plate is riveted to the machine frame, with Cat compactors of this era typically carrying it near the front articulation joint or lower frame rail on the operator's side, plus a duplicate stamped into the frame steel itself; exact placement is not documented in CS-553-specific literature, so treat this as a general starting point rather than a guarantee. The serial number reads as a 3-character alphanumeric prefix (identifies the build series/machine grouping) followed by a sequential machine number. Match the prefix against the parts/service manual coverage for that series (e.g. "7BD1 and up") to confirm parts and service-manual fitment, and note that some prefixes cover mixed sub-ranges with different fill quantities or component changes, so cross-check the full serial, not just the prefix.
| Prefix | Identifies | Notes |
|---|---|---|
| 6ZD | CS-553 vibratory compactor, early production series (shared machine family with CS-551 and CP-553), powered by the Cat 3208 diesel engine | Serial range 6ZD00001-UP. Listed as the base machine/engine series for the CS-551, CS-553 and CP-553 compactor family, powered by the 3208 engine, in the factory basic-engine parts breakdown. Plant/region not documented in sources found. |
| 7AD | CS-553 vibratory compactor, mid-production series (shared machine family with CS-551 and CP-553), powered by the Cat 3208 diesel engine | Serial range 7AD00001-UP. Falls in the same CS-551/CS-553/CP-553 3208-powered machine grouping as 6ZD in the parts literature. Fluid-fill quantities changed partway through this range (documented break around 7AD154/155), so treat sub-ranges within 7AD as distinct for service-fill purposes and verify against the machine's own plate. Plant/region not documented in sources found. |
| 7BD | CS-553 vibratory compactor, later production series, powered by the Cat 3208 diesel engine | Serial range 7BD00001-UP; a dedicated OEM service manual is titled specifically for "CS-553 (7BD1 and up)," separate from the combined CS-551/CP-553 literature. Overall CS-553 production spans roughly 1986 to 1992; 7BD falls later in that run relative to 6ZD and 7AD. Plant/region not documented in sources found. |
| 8BD | CS-553 vibratory compactor, latest referenced production series, bundled with CP-553 in service literature — confirm with dealer | Serial range 8BD00001-UP, listed together with 7AD and 7BD in one combined CP-553/CS-553 service manual description. Engine and exact date range are not independently corroborated elsewhere. Confirm with a Cat dealer before ordering parts against this prefix. |
Frequently asked questions
What engine powers the Caterpillar CS-553?
The CS-553 runs the Caterpillar 3208 V8 diesel, 10.4 L displacement, across its full production run. No horsepower rating specific to this model is documented in available factory literature — confirm output figures with your Cat dealer using the machine's serial number.
What is the operating weight of the Caterpillar CS-553?
Operating weight is approximately 10.78 t (about 23,770 lb). Figures can vary slightly by configuration — smooth drum versus a bolted-on padfoot shell kit, plus optional equipment — so treat this as a nominal factory figure and verify against the machine's data plate for precise transport or ballast planning.
What replaced the Caterpillar CS-553?
Caterpillar moved its single-drum vibratory soil compactor line to the CS-563 series by the mid-1990s, adding a turbocharged Cat 3116 engine and updated controls. The CS-553 and its CP-553 padfoot sibling remain active in the used and parts market today, valued for simple diesel and hydraulic serviceability without electronic controls.
What CS-553 owners discuss
The vibration cuts in and out or quits completely on a CS-553 — where do owners start looking?
Split it into electrical and hydraulic halves before pulling anything apart. On the electrical side check the instrument-panel fuse first, then trace the wiring to the vibratory switch and to the pump control solenoid — a green wire feeds one solenoid (Hi) and a white wire the other (Lo) on most of these. Corrosion or a chafed pin in that harness is a frequent culprit on machines this age. On the hydraulic side confirm tank oil level first (low oil alone will kill vibration), then suspect the vibratory pump or motor if fuses, wiring, and oil level all check out. Techs who've chased this fault report it's roughly a coin flip between a bad wire/switch and an actual pump or motor problem, so do the five-minute electrical checks before opening any hydraulic component.
Vibration comes on but the drum never reaches full frequency — what's typically worn?
Low vpm on a single-drum compactor of this type points to the eccentric weight assembly more often than the pump. Worn or pitted weight bearings let the shaft run rough and bleed off energy, and any internal wear that restricts oil flow through the vibratory circuit will show up the same way — strong vibration at startup that tails off or never builds. Because the weight housing runs on its own sealed synthetic gear oil supply, a low or degraded fill in that housing is worth checking before condemning the motor. A drum that vibrates unevenly or hunts for rpm on a machine with unknown service history should not be run hard until a shop confirms bearing condition — have your dealer verify.
Is the control handle really a common failure point on these machines?
Yes — it's one of the most repeated complaints from techs who've worked on this model. Later-production machines use a push-button switch built into the propel/vibratory control handle, and the wires running into that handle are known to fatigue and break from the constant flexing as the handle is worked all day. When a CS-553 loses vibration, propel direction, or both intermittently and the fuses and solenoids test fine, pulling the handle apart to inspect those internal wires is a standard next step before chasing anything further downstream.
What do mechanics say about the 3208 V8 in this compactor specifically?
The 3208 has a mixed reputation industry-wide, and some heavy-equipment mechanics single out the 553 platform as one of the rougher applications for it — reports of it being persistently troublesome in this chassis show up in mechanic discussions. The engine-level complaints are the usual 3208 list: blown head gaskets from overheating, blow-by that mechanics consider tolerable in small amounts but worth investigating once it increases, a clogged fuel filter or air in the fuel system causing hard starting, and age-related wear on hoses, belts, and gaskets on any example this old. Because the CS-553 ran with the 3208 across a fairly long production window, confirm the exact engine arrangement and aspiration (naturally aspirated vs. turbocharged parts differ) against the engine serial plate rather than assuming from the machine model alone. Any overheating history or evidence of a redone head gasket should be checked out before the machine goes back to work — have your dealer verify.
What wear patterns are normal for the rear tire axle on a drum-front, tire-rear compactor like this?
On this drum-front/pneumatic-tire-rear layout, the rear tires do all the steering and carry a share of the ballast weight, so uneven or accelerated tread wear on the outer ribs is typical when alignment or tire pressures have drifted, and it's a routine check item rather than a red flag by itself. Because the 23.1x26 tire size on this class of machine is a low-volume, higher-cost item, buyers and owners commonly flag tire condition and remaining tread as a major line item when pricing out a used unit — it can materially change the deal.
What should a buyer walk through before purchasing a used CS-553?
Given the age of this model, treat it like a project machine unless documentation says otherwise. Run the engine cold and watch for white or blue smoke and listen for blow-by at the breather — both are common 3208 tells. Cycle the vibratory system through Hi and Lo at the control handle repeatedly to shake out the intermittent wiring fault this model is known for, rather than testing it once and calling it good. Check the drum shell for cracks or built-up weld repair along the shell seams, and if the machine ever wore a padfoot shell kit, inspect the mounting bolts and shell interface for elongation. Verify hydraulic oil condition and level, and ask when the eccentric weight housing gear oil was last serviced. Walk the rear tires for wear and check the articulation/oscillation joints for play. Because parts sourcing and factory documentation for a machine this old can be thin, confirm the serial prefix (6ZD/7AD/7BD) matches what the seller represents, since running changes across that range affect which service literature and components apply. Any structural, hydraulic, or engine finding from this walk-through should be confirmed by a qualified shop before money changes hands — have your dealer verify.
Any known quirks with gauges, warning lights, or sensors on this generation of Cat compactor?
Documented sensor-specific failures for this exact model are thin in public discussion — most electrical complaints trace back to the control handle wiring and basic fuse/relay/connector corrosion rather than a dedicated sensor module, which tracks with a machine this age having a mostly mechanical, non-multiplexed electrical system. Treat any gauge or warning-light complaint as a wiring and connector inspection first before assuming a sensor is bad, and verify actual sensor function against the machine's electrical schematic with a dealer if the simple checks don't resolve it.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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