Caterpillar PS-130
Maintenance schedule, common problems & OEM parts breakdown
The Caterpillar PS-130 is a self-propelled pneumatic (rubber-tired) compactor built for finish-rolling asphalt and general soil compaction. It runs a Perkins 4.236 naturally aspirated diesel, a 3.9 L four-cylinder rated at roughly 57 kW (77 hp), on a chassis carrying Caterpillar's 7ND serial prefix. Standard operating weight is about 3.8 metric tons (roughly 8,300 lb); adding water, sand, or steel ballast to the onboard ballast boxes raises operating weight to roughly 12.3 metric tons (about 27,200 lb), depending on configuration. The PS-130 is the mid-size member of a three-model pneumatic roller family, bracketed by the smaller PS-110 and the larger PS-180, all sharing the same Perkins engine platform and a common tire arrangement of five front and four rear pneumatic tires. Exact start and end production years are not documented in surviving literature; the model belongs to Caterpillar's compactor range of the late 1980s into the 1990s. No confirmed direct-successor model is documented for the PS-130 by name.
Caterpillar's pneumatic roller lineup later moved to a different engine platform: the PS150B, PS150C, PS200B, and PS360 generation runs Cat's own 3054-series diesel rather than the Perkins 4.236, and none of that later generation's filters, parts, or service specs carry back to the PS-130. That split matters for anyone sourcing parts or evaluating a used unit today. Engine consumables such as oil filters, fuel filters, and injectors follow Perkins 4.236 commonality shared with other period Cat/Perkins-powered compactors, while roller-specific chassis, ballast-box, and hydraulic-steering components are increasingly scarce and often salvage-sourced as factory support for the model has aged out. Surviving PS-130 units mostly turn up in municipal, rental, or small paving-contractor fleets, valued for mechanical simplicity, low acquisition cost, and the absence of electronically governed engine controls, a real advantage on tight budgets or in older equipment yards where a straightforward mechanical diesel is easier to keep running.
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 PS-130 specifications
Engine
| Engine model | Perkins 4.236, 4-cylinder diesel (same base engine shared with sibling PS-110 and PS-180 pneumatic compactors) |
| Gross power | 57.4 kW (77 hp) |
| Displacement | 3.9 L (238 cu in) |
| Cylinders | 4 |
| Emissions tier | Not documented — predates U.S. EPA/EU nonroad emissions tiers, mechanically governed naturally aspirated diesel |
Weights
| Operating weight, standard (unballasted) | approx. 3,755 kg (8,278 lb) |
| Operating weight, maximum ballast | approx. 12,344 kg (27,212 lb) |
| Average weight per wheel, maximum ballast | approx. 1,360 kg (2,998 lb) |
| Shipping weight | Not documented in available spec sources |
Dimensions
| Overall length | approx. 4.14 m (13.6 ft) |
| Overall width | approx. 1.85 m (6.1 ft) |
| Overall height to top of ROPS | approx. 2.49 m (8.2 ft) |
| Wheelbase | approx. 3.35 m (11.0 ft) |
| Ground clearance | approx. 267 mm (10.5 in) |
| Tire arrangement | 5 front / 4 rear pneumatic tires, staggered pattern typical of this compactor class |
| Standard tire size | 7.5 x 15 |
Performance
| Maximum travel speed | approx. 38.6 km/h (24 mph) |
| Gradeability | Not documented in available spec sources |
| Drawbar/dig/lift figures | Not applicable — this is a self-propelled pneumatic-tired roller, not an excavating or lifting machine |
Service capacities (summary)
| Fuel tank | approx. 128 L (33.9 gal) |
| Engine oil | approx. 4.7 L (1.3 gal) |
| Water spray tank | approx. 380 L (100.4 gal) |
| Hydraulic system | Not documented in available spec sources |
| Cooling system | Not documented in available spec sources |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
PS-130 fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) — Perkins 4.236 4-cyl naturally aspirated diesel, 3.9L | 4.7 L (1.3 US gal) | Cat DEO (Diesel Engine Oil), API CD/CF-class. SAE 15W-40 for general/warm ambient use; SAE 10W-30 recommended for cold-climate starting. Exact viscosity chart not located for this model — confirm against engine oil decal or dealer. |
| Cooling system — radiator, NA Perkins 4.236 | Not documented in available spec sheets for this exact model — verify with dealer/OMM. Sibling small pneumatic-compactor cooling systems of this era typically run in the 10-14 L (2.6-3.7 US gal) range, given as an approximate reference only, not a confirmed PS-130 figure | Cat DEAC (Diesel Engine Antifreeze/Coolant), full-strength or 50/50 water mix depending on climate; extended-life Cat ELC acceptable if the cooling system has been converted per Cat service guidance. |
| Fuel tank | 128 L (33.9 US gal) | No. 2-D diesel fuel (ULSD where required), cetane number and cleanliness per Cat fuel specification. No Cat-branded fluid — fuel only. |
| Hydraulic / drive system (tank) | Not documented in available public spec sheets for the PS-130 — verify against OMM or dealer. This vintage pneumatic roller drives its wheels hydraulically and does not carry a separately published transmission or final-drive capacity | Cat TDTO (Transmission/Drive Train Oil), TO-4 grade, or Cat HYDO Advanced depending on whether the hydraulic and drive circuits share one reservoir on this configuration. Exact grade not confirmed for this model — verify before service. |
| Water spray / ballast tank (wetting system, not a lubricant) | 380 L (100.4 US gal) | Clean water. Add an anti-freeze or wetting agent to the spray water in cold weather or per local water-quality guidance; not a Cat lubricant product. |
| Grease points (chassis pivots, wheel/roller bearings) — spec only, no fill capacity | N/A — grease fitting service, not a fluid reservoir | General-purpose NLGI 2 chassis grease from Cat's period lubricant line (e.g. Cat Multipurpose Grease / Cat Advanced 3Moly for high-load pins). No PS-130-specific grease chart was located — confirm against the OMM lubrication decal. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar PS-130 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 PS-130 beyond the schedule
Predictive Maintenance & Fluid Analysis
Run oil sampling on the Perkins 4.236 at every engine-oil change to catch bearing or liner wear before it turns into a rebuild. Watch coolant condition closely; this engine has no electronic diagnostics, so discolored coolant or rising operating temperature is often the first warning of a failing water pump or head gasket. Track tire pressure and ballast weight together. Uneven pneumatic tire wear across the five-front/four-rear layout usually signals a steering or ballast-distribution problem before it shows up as a drivetrain fault.
Corrective & Common Repairs
Expect fuel-system work first on a Perkins 4.236 this age: injector pop-off pressure drifts over time, and the mechanical injection pump eventually needs recalibration or exchange. Water-spray nozzles and lines clog with mineral deposits and need regular clearing to keep asphalt off the tires. Wheel hub seals and bearing oil leaks are common on units run with heavy ballast, and steering-cylinder or articulation-pin wear shows up as play in steering response well before it fails outright.
Overhaul & Rebuild Points
Major rebuild work centers on the Perkins 4.236 itself; cylinder liners, ring sets, and the injection pump are the parts most likely to need full rework after years of ballasted operation. Wheel-drive hub reduction gearing and steering-cylinder seals are the next wear points, especially on units that ran consistently near maximum ballast weight. Ballast boxes themselves corrode and crack at mounting points over time and often need structural repair or replacement rather than simple resealing.
Seasonal & Environment Servicing
Drain the water-spray tank and lines fully before freezing weather; a cracked tank or split spray bar is the most common cold-weather failure on this machine. In hot, dusty paving environments, service the air cleaner element more often than the standard interval and check the radiator core for asphalt dust packing that blocks airflow. If the machine sits idle over winter, stabilize fuel in the mechanical injection system and disconnect batteries to prevent corrosion and hard starting in spring.
PS-130 common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| E380083 | Transmission Oil Filter Assembly | Lubrication service | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
PS-130 fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Low Engine Oil Pressure warning lamp (red) | Oil pressure switch opens when pressure drops below the safe threshold on the Perkins 4.236 engine | Low oil level, worn or clogged oil filter, failing oil pump, worn bearings, or a faulty pressure switch | Stop the engine immediately, check oil level and filter condition before restart, and verify the pressure switch/sender if the lamp stays on with correct oil level |
| High Coolant Temperature warning lamp (red) | Coolant temperature sender signals the engine has exceeded its safe operating range | Low coolant level, blocked or dirty radiator, failed thermostat, slipping or broken fan belt, or a faulty sender | Idle the engine, shut down if temperature keeps climbing, check coolant level once safe, and inspect radiator fins, belt, and thermostat |
| Alternator / Charging System warning lamp (amber) | Battery is not being charged; alternator output is below the required voltage | Loose or broken fan/alternator belt, failed alternator, corroded battery terminals, or a wiring fault | Check belt tension and condition first, then test alternator output and inspect wiring and battery connections |
| Air Cleaner Service (restriction) indicator | Intake restriction has reached the point where the air filter needs attention | Clogged or saturated primary air filter element, dusty jobsite conditions | Inspect and clean or replace the air filter element, check for a collapsed or damaged element and a sealed housing |
| Hydraulic Oil Filter Restriction indicator | Return-line hydraulic filter has reached its bypass threshold | Clogged filter element, cold or highly viscous hydraulic oil, contaminated fluid | Replace the hydraulic filter element and check fluid condition and viscosity grade for ambient temperature |
| Parking Brake engaged warning lamp | Indicates the parking brake is set and warns the operator before attempting to propel the machine | Parking brake left engaged, brake switch stuck, or brake not fully releasing | Confirm the parking brake control is released and check the brake switch and linkage if the lamp remains lit |
| Fuel Level Low warning lamp | Fuel level sender indicates the tank is near reserve | Machine running low on diesel fuel during a shift | Refuel and check the sender/gauge if the lamp does not clear after refueling |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
PS-130 attachments & work tools
Machine type / attachment applicability
The PS-130 is a self-propelled pneumatic (rubber-tired) compactor, not a tool-carrier. It has no quick-coupler or 3-point hitch system and does not accept excavator/skid-steer-style work tools (buckets, plates, breakers). Its "configuration" options are factory-fitted systems rather than swappable attachments.
Tire / wheel package
Nine-wheel pneumatic layout, typically 5 front and 4 rear smooth rubber tires staggered for full-width, overlapping coverage. Standard tire size is 7.50-15, 6-ply rating; ply rating and tread pattern can vary with the specific unit and re-tire history, so verify against the machine's data plate.
Ballast system
Operating weight is adjustable from roughly 3.8 t (8,300-8,450 lb) empty to about 12.3-12.4 t (27,200-27,400 lb) fully ballasted, giving a per-wheel load near 1,130-1,360 kg (2,500-3,000 lb) at max ballast. Ballasting on this class of Cat pneumatic roller is normally done with water and/or removable steel or sand weight boxes/plates in the frame compartments; exact split of water vs. dry ballast varies by configuration and should be confirmed against the specific unit's data plate.
Water spray / tire-wetting system
A pressurized water spray (sprinkling) system with roughly 380 L (100 gal) capacity, fed from side-mounted tanks, keeps the tires wet to reduce asphalt pickup during mat compaction. This is standard equipment on this compactor class, not a bolt-on option; nozzle/filtration detail is not documented for this exact serial range.
Tire scrapers / cleaning bars
Adjustable scraper bars are fitted at each wheel to strip material and debris from the tire face, working with the water spray system to keep tires clean during asphalt work. This is a standard maintenance-item fitment on pneumatic rollers of this class, not a separate ordered attachment.
Operator protection (ROPS / canopy)
Standard equipment includes a ROPS (roll-over protective structure) frame; an optional sun canopy is offered on this compactor class for operator weather protection. A full enclosed cab is not a documented option for this size/class of pneumatic roller.
Engine and drivetrain notes (context for options)
The PS-130 is powered by a Perkins 4.236 naturally aspirated diesel rated around 57 kW (77 hp), paired with a 4-speed forward/reverse shuttle transmission - shared engine family with the PS-110 and PS-180 of the same generation. Do not substitute Cat 3054-series specs from later PS-150B/PS-150C/PS-200B models; those are a distinct, newer engine family not documented as fitted to the PS-130.
All PS-130 assemblies by section
Every catalogued assembly group for the Caterpillar PS-130. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Brake Group
Brake System
Brake System Lines And Fittings
Master Brake Cylinder
| E0***59 | Master Brake Cylinder | 1 |
Drive Train Group
Axle Housing Assembly
Axle Input Assembly
| A0***54 | Axle Input Assembly | 1 |
Brake Assembly
| E0***57 | Brake Assembly | 1 |
Clutch Stack Assembly
| E2***49 | Clutch Stack Assembly | 1 |
Control Assembly
| E8***90 | Control Assembly | 1 |
Control System Assembly
| E8***32 | Control System Assembly | 1 |
Control Valve Assembly
| E8***37 | Control Valve Assembly | 1 |
Differential Assembly - No-Spin
Differential Assembly - Standard
Drive Line Assembly
| A0***53 | Drive Line Assembly | 1 |
Drive Train Assembly
Lower Rear Drive Assembly
Parking Brake Assembly
| E0***29 | Parking Brake Assembly | 1 |
Parking Brake Control Assembly
| E6***66 | Parking Brake Control Assembly | 1 |
Rear Tire Scraper Assembly
Shift Cap Assembly
| F1***99 | Shift Cap Assembly | 1 |
Shuttle Assembly
| E2***62 | Shuttle Assembly | 1 |
Transmission Assembly
| A0***58 | Transmission Assembly | 1 |
Transmission Group
| E8***33 | Transmission Group | 1 |
Transmission Oil Cooling Assembly
Transmission Oil Filter Assembly
| E3***83 | Transmission Oil Filter Assembly | 1 |
Upper Rear Axle Assembly
Wheel And Tire Assembly - 6 Ply
| 04***03 | Wheel And Tire Assembly - 6 Ply | 1 |
Engine Group
Air Cleaner Assembly
| E2***16 | Air Cleaner Assembly | 1 |
Battery Assembly
Engine Air Cleaner Assembly
Engine Cooling Assembly
Engine Exhaust System
Engine Mounting Assembly
Engine Throttle Control Assembly
Fuel System
Field Kit Group
Transmission Oil Cooling System
Frame Group
Console Assembly
Frame Assembly
Fuel Tank Assembly
Hood Assembly
Seat Assembly
| 06***79 | Seat Assembly | 1 |
Front Bolster Group
Double Bolster Assembly
Front Tire Scraper Assembly
Hub And Axle Assembly - Double Wheel
| C1***84 | Hub And Axle Assembly - Double Wheel | 1 |
Hub And Axle Assembly - Single Wheel
| C1***85 | Hub And Axle Assembly - Single Wheel | 1 |
King Pin Assembly
Instrument Group
Instrument Panel Assembly
Miscellaneous
Back-Up Alarm Assembly
Decals
Hardware Identification
Wiring Harnesses
| C1***40 | Harness Assembly., Rear | 1 |
| C1***63 | Harness Assembly., Console | 1 |
| C1***67 | Harness Assembly., Engine | 1 |
Options
Coco Mat Assembly
Front Lights
Pressurized Water Spray System
R.O.P.S. Assembly
Tail And Brake Light Assembly
Water Spray Pump
| A1***97 | Water Spray Pump | 1 |
Wheel And Tire Assembly - 10 Ply
Steering Group
Hydraulic Cylinder - Green
| B1***09 | Hydraulic Cylinder - Green | 1 |
Hydraulic Pump
| 12***89 | Hydraulic Pump | 1 |
Steering System
Steering System Lines And Fittings
Steering Valve
| E7***19 | Steering Valve | 1 |
Water System
Gravity Water Spray System
PS-130 serial number reference
On Cat pneumatic compactors of this era the PIN/serial plate is riveted to the main frame rail, usually low on the right-hand side near the front axle or under the operator's platform; on some units a duplicate tag sits inside the engine compartment. Read the plate as a 3-character alpha prefix (identifies the model/casting series, here 7ND for PS-130) followed by a 5-digit sequence number (the individual unit count within that prefix) - pre-2001 Cat machines show just prefix+sequence rather than a full 17-character PIN.
| Prefix | Identifies | Notes |
|---|---|---|
| 7ND | PS-130 pneumatic (rubber-tired) compactor, full production run | Single confirmed prefix covering the entire PS-130 production run, serials 7ND00001-UP. A running parts change (parking brake assembly) falls at 7ND00121, splitting 7ND00001-00120 from 7ND00121-UP in the parts catalog, but both spans are the same 7ND prefix and same base machine, not separate series. Fitted with a Perkins 4.236-family 4-cylinder diesel, naturally aspirated, rated around 57 kW (77 hp), driving a 9-tire roller (5 front / 4 rear, 7.50-15 tires). No PS-130B, PS-130C, or other lettered PS-130 variant turned up in parts/service literature; treat any such designation as unconfirmed until a dealer or catalog ties it to this model. |
Frequently asked questions
What engine does the Caterpillar PS-130 use?
The PS-130 runs a Perkins 4.236 naturally aspirated diesel, a 3.9 L four-cylinder rated at roughly 57 kW (77 hp). It shares this engine platform with its PS-110 and PS-180 siblings in Caterpillar's pneumatic roller family.
What is the operating weight of the Caterpillar PS-130?
Standard operating weight is approximately 3.8 metric tons (about 8,300 lb). With full ballast (water, sand, or steel) added to the ballast boxes, operating weight rises to roughly 12.3 metric tons (about 27,200 lb). Exact figures vary by ballast configuration.
What replaced the Caterpillar PS-130?
No confirmed direct-successor model is documented for the PS-130 by name. Caterpillar's pneumatic roller line later moved to the 3054-series-engine PS150B, PS150C, PS200B, and PS360 generation, but that is a distinct platform rather than a documented one-to-one replacement. Verify with your dealer if you need a confirmed cross-reference.
What PS-130 owners discuss
What's the biggest quirk owners run into with the Perkins 4.236 in the PS-130?
Any fuel-system behavior specific to this engine and pump worth knowing?
What wear pattern is typical on the tires and wheels of a machine this age?
Is the water-spray system worth worrying about on a used unit?
What electrical issues come up on machines this old?
How do the tires and hydraulic drivetrain hold up under ballast load?
What should I check before buying a used PS-130?
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Need a specific PS-130 part?
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