Caterpillarasphalt paverasphalt screed

Caterpillar AS2252C

Maintenance schedule, common problems & OEM parts breakdown

The Caterpillar AS2252C is a Vers-A-Mat vibratory screed attachment, not a self-propelled machine. It has no engine, transmission, or undercarriage of its own - it bolts to a Cat paver tractor and draws its hydraulic and 24V electric power from that host unit. Cat documents the AS2252C behind the wheeled AP500E and tracked AP555E pavers of the mid-2000s to mid-2010s E-series generation, both powered by a Tier 3 Cat C4.4 diesel. The screed's own weight runs around 3,300 kg (7,240 lb) depending on configuration, with a base paving width around 2.44 m (8 ft) that extends out into the 5-6.5 m (16-21 ft) range with bolt-on extension kits - exact maximum width varies by source and by which extension package is fitted. Configurations offered included a hydraulic power berm option in 305 mm (12") or 457 mm (18") widths, three-setting electric heat control, and a CANbus link into the tractor's Advisor display for diagnostics.

Within its own production run Cat refined extender wear-plate durability and heating element reliability, but the core Vers-A-Mat mechanical layout stayed the same; the "C" suffix marks this as a later iteration of the same screed family used on earlier D-series-era Cat pavers. Cat retired the Vers-A-Mat name entirely when it moved to the F-series paver lineup (AP600F, AP655F, AP1000, AP1055F), replacing it with the SDX plate system on SE50V, SE50VT, SE60V, SE60VXW, and SE60VT XW screeds - none of which bolt up in place of an AS2252C. That makes the AS2252C a closed, defined parts pool tied specifically to the still-working AP500E/AP555E population: extender wear plates, tow-point pin and bushing kits, heating elements, and power berm hydraulic components are the recurring wear items keeping these screeds paving today, and both used AS2252C units and their parts stay in demand wherever that E-series paver generation is still on the job.

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 AS2252C specifications

Engine

Unit type	AS2252C is a Vers-A-Mat vibratory screed attachment, not a self-powered paver. It has no engine of its own; it mounts to a Cat AP500E or AP555E paver tractor and draws hydraulic and electric power from that tractor.
Host tractor engine	Cat C4.4 ACERT, 4-cylinder diesel turbocharged
Gross power	106 kW (142 hp imperial / 144 hp metric)
Displacement	4.4 L (269 in3)
Emissions tier	Meets U.S. EPA Tier 3 / EU Stage IIIA

Weights

AP500E paver w/AS2252C screed, operating weight	15 290 kg (33,715 lb)
AP555E paver w/AS2252C screed, operating weight	16 005 kg (35,290 lb)
Ground pressure	Not published for this configuration

Dimensions

Main screed plate width (front to back)	457 mm (18")
Extender screed plate width (each, front-mounted)	229 mm (9")
Screed plate material	Hardox 500 XF abrasion-resistant alloy steel, curved profile for pre-compaction
Standard hydraulic paving width range	2.5 - 4.4 m (8'2" - 14'5")
Maximum paving width with bolt-on extensions	5.6 m (18'5")
Power berm width	305 mm (12") or 457 mm (18"), hydraulically adjustable
Maximum end berm height	152 mm (6")
Transport length, tractor + push roller + AS2252C screed (walkway up)	5.75 m (18'10")
Transport width with screed end gates, hopper raised (AP500E)	545 mm (21")
Transport width with screed end gates, hopper raised (AP555E)	576 mm (23")
Wheel/track gauge width, outside to outside	2.82 m (9'3")
Hopper capacity (host tractor, includes tunnels)	6.2 m3 (219 ft3)

Performance

Maximum paving speed	61 m/min (200 fpm)
Travel speed, AP500E wheeled tractor	0 - 16 km/h (0 - 10 mph)
Travel speed, AP555E Mobil-Trac tracked tractor	0 - 11 km/h (0 - 7 mph)
Maximum material throughput (host tractor)	1087 tonnes/h (1,198 tons/h)
Maximum paving depth (platform figure, varies by screed)	approx. 305 mm (12")
Screed generator / auxiliary power (electric heat supply)	25 kW at 60 Hz, engine speed 1275 rpm or higher; electrical system 24V with 75A alternator

Service capacities (summary)

Fuel tank (host tractor)	189 L (50 gal)
Hydraulic system capacity	Not published in available spec sheets - verify with dealer or service manual
Engine oil capacity	Not published in available spec sheets - verify with dealer or service manual
Cooling system capacity	Not published in available spec sheets - verify with dealer or service manual

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

AS2252C fluids & capacities

System	Capacity	Recommended fluid
Engine crankcase (with filter)	Not applicable	The AS2252C Vers-A-Mat is a screed attachment, not a self-powered paver. It carries no engine of its own, so no crankcase oil fill exists for this unit.
Cooling system	Not applicable	No engine, no radiator, no coolant system on the screed itself. Screed plate heat comes from electric heating elements, not an engine-driven or fluid-based heat source.
Fuel tank	Not applicable	No fuel tank on the screed. Fuel is carried and supplied entirely by the host paver tractor (for example an AP-series or AS-series paver the screed is mounted behind).
Transmission/powertrain compartment	Not applicable	The screed has no transmission or powertrain of its own. Travel and propulsion come from the paver tractor it is towed/mounted behind.
Final drives	Not applicable	No final drives fitted to the screed.
Hydraulic system and tank	Not applicable, shared with host paver	The screed has no dedicated hydraulic reservoir. Screed functions (width extension, crown, vibration, power berm) run off hydraulic supply piped from the paver tractor's own hydraulic system. Refer to the host paver's OMM (for example the AP-series or AS-series tractor the AS2252C is mounted on) for hydraulic oil type, viscosity-by-climate grade, and tank capacity.
Axles/differentials	Not applicable	No axles or differentials on the screed.
Grease (lubrication points)	Spec only, no fill capacity published	Grease fittings on the screed (extension slides, pivot and linkage points) are grouped for quick routine service. Cat Multipurpose Grease (Cat MPGM) is the standard recommendation for these low-load, low-speed grease points; follow the OMM's stated interval and climate notes where given.

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

Caterpillar AS2252C maintenance schedule

Service interval	Tasks
Every 10 h	Scrape hardened asphalt buildup off the main screed plate, extender plates, and end gates before it cures and telegraphs into the mat Verify all electric heating zones reach the selected control-panel temperature setting before the first pass of the shift Inspect tow-point pins and depth-control screws, confirming both sides sit at the same reference position before paving starts Grease screed pivot points, extender slide rails, and crown-adjustment linkage per the lube chart Check power berm hydraulic hoses, fittings, and cylinder for weeping or chafing, and confirm the berm raises and lowers freely Wipe down and visually check CANbus connectors between the screed and the tractor's Advisor display for asphalt intrusion or loose pins
Every 250 h	Measure main and extender screed plate thickness against minimum spec and log the reading to track wear trend Inspect extender slide guides and pins for side play, shimming or adjusting as needed Torque-check screed plate mounting hardware and extender bolt-on hardware Check heating element wiring connections and relay contacts for pitting or discoloration from heat cycling Inspect grade/slope sensor brackets and cabling for damage if the screed is fitted with automatic grade control Clean and lubricate the crown adjustment mechanism
Every 500 h	Replace any main or extender screed plate that has worn below minimum thickness spec Inspect tow arm pins and bushings for wear, replacing any set with clearance beyond spec Compare heating zone amperage draw against baseline readings to flag a degrading element before it fails mid-mat Inspect power berm cylinder seals for weeping and rebuild if leakage is found Check extender travel end-stops and limit switches for correct operation
Every 1,000 h	Pull and inspect extender slide rails and guide strips, replacing worn wear strips as a set Replace tow-point pin and bushing sets rather than spot-replacing individual pins Re-torque all screed frame structural fasteners Have the grade control sensor inputs recalibrated at the tractor's Advisor display if automatic grade control is fitted Inspect heating element harness insulation for embrittlement from repeated heat cycling
Every 2,000 h	Inspect the screed main frame and extender frame welds for cracking caused by cumulative vibratory fatigue Replace power berm hydraulic hoses as a precaution regardless of visible condition Rebuild the vibratory drive and eccentric shaft bearings and bushings Replace any heating circuit zone showing degraded output rather than continuing to patch individual elements Service crown and tilt adjustment mechanism bushings
Every 4,000 h	Perform a full teardown inspection of the screed frame, extender assemblies, and vibratory drive as a major overhaul point Replace all tow-point and extender pin/bushing sets together rather than piecemeal Renew the complete heating element circuit and CANbus harness back to the tractor connector Media-blast and repaint the frame and extender housings if corrosion has taken hold under worn plates

Servicing the AS2252C beyond the schedule

Predictive Maintenance & Fluid Analysis

The AS2252C has no engine or reservoir of its own, so predictive work centers on trend data, not oil sampling. Log main and extender plate thickness every shift to project a replacement date before a plate opens up a mat defect. Track heating zone amperage draw over time to catch a failing element before it dies mid-pass. Watch power berm cylinder and hose pressure for early weeping, since that circuit runs off the tractor's hydraulics. Pull CANbus fault history off the Advisor display each interval to catch harness faults early.

Corrective & Common Repairs

Recurring AS2252C repairs follow the parts that see the most flex and heat cycling. Extender slide rails and wear strips wear from repeated width changes and need periodic replacement. Tow-point pins and bushings develop play from vibratory duty and cause uneven mat depth if ignored. Heating elements and relay contacts fail from thermal cycling and show up as a zone that won't reach temperature. Power berm cylinder seals wear from abrasive asphalt exposure. CANbus connectors at the tractor interface corrode or crack from heat and need periodic cleaning or replacement.

Overhaul & Rebuild Points

A full AS2252C overhaul addresses assemblies that carry cumulative vibratory fatigue, not a single wear item. That means replacing extender slide rail and guide sets together, rebuilding tow arm pin and bushing sets as a matched pair, renewing main and extender plates at minimum thickness, and rebuilding the vibratory drive and eccentric shaft bearings. Inspect the frame and extender housings for crack propagation at weld joints from years of vibration, and plan on renewing the heating circuit harness once several zones show degraded output.

Seasonal & Environment Servicing

Before winter layup, inspect plates and elements fully and coat exposed slide rails, pins, and linkage with a corrosion inhibitor since the screed sits idle and exposed between seasons. Check power berm hydraulic lines for condensation buildup after storage before the first spring startup. Confirm every heating zone reaches temperature before cold-weather paving begins, since the AS2252C depends entirely on its electric heat to keep mat quality acceptable in low ambient temperatures. Verify CANbus connectors are sealed against moisture intrusion after outdoor storage.

AS2252C attachments & work tools

Identity: screed attachment, not a self-propelled paver

The AS2252C is a bolt-on Vers-A-Mat vibratory screed with no engine of its own; it mounts to the towing arms of a Cat paver tractor and draws hydraulic and electrical power from that tractor. It is not a complete paving machine, so there is no standalone "work tool" list for it — the relevant options are extension/mounting configurations and which tractors it pairs with.

Compatible paver tractors

The AS2252C is offered as a factory screed option on Cat's mid-range paver line, paired with the AP500E and AP555E tractors. It is one of three screed choices on that platform alongside the AS3251C and the tamper-bar AS4252C; confirm exact tractor-to-screed pairing by serial range with your dealer.

Main screed plate

Main screed plates are 457 mm (18 in) wide, built from Hardox 500 XF abrasion-resistant alloy steel with a curved profile for pre-compaction and even material flow under the screed.

Front-mounted extenders

Narrow bolt-on extenders (229 mm / 9 in wide screed plates each side) mount ahead of the main screed plates, letting the screed draw material in when working around obstacles and simplifying width changes with less hand raking. This front-mounted layout is the AS2252C's distinguishing feature versus the sibling AS3251C, which instead uses heavier rear-mounted, hydraulically driven extenders on support tubes for wider highway work.

End gates

End gates use a bolt-on design for quick installation and removal, useful when transport width is a concern. Optional heated end gates are part of the broader screed family lineup; confirm availability on this specific screed with your dealer.

Power berm

An optional hydraulically adjustable power berm forms a 305 mm (12 in) or 457 mm (18 in) wide berm, with a maximum end-berm height of about 152 mm (6 in).

Heating system

Electric heating elements bring the screed plates up to operating temperature quickly. An automatic electric heat controller regulates plate temperature to a selected setting, with a manual override available.

Crown and slope control

Standard power controls adjust crown and slope directly from the screed, aimed at fingertip operation without leaving the platform. Exact crown/slope ranges vary by tractor pairing — verify against the specific paver's control system.

Electrical/control interface

The screed runs on a CANbus electrical system that interfaces with the Advisor display on the tractor, giving the operator combined screed and paver diagnostics and settings from one control point.

Extender maintenance access

Extender screed plates are designed for field replacement by removing the mounting bolts and disconnecting the electrical harness and hydraulic lines feeding the extender, rather than requiring a full screed teardown.

Sibling screed family (extension-path options)

On the same AP500E/AP555E tractor line, the AS3251C offers rear-mounted hydraulic extenders on heavy-duty support tubes for wider, highway-class paving, and the AS4252C adds variable-frequency tamper bars with electrically heated tamper bars and plates for higher-density mat work. Treat these as the alternative screed choices for this tractor class rather than as accessories that bolt onto the AS2252C itself.

All AS2252C assemblies by section

Every catalogued assembly group for the Caterpillar AS2252C. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Controls

253-4752 Adjuster Gp-Height

10***24	Tube As; (Vertical)	4
10***39	Key-Square	2
10***40	Spacer; (10.74x17.14x7-mm Thk)	2
11***39	Spacer; (10.5x18x21-mm Thk)	8

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197-9844 Chain Gp-Screed

10***87	Link-Connecting	1
19***33	Link-Offset	1
19***44	Chain Group-Screed	1

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253-4739 Control Gp-Thickness -Counterclockwise Rotation

1J***36	Pin-Spring; (Spring)	2
25***39	Control Group-Thickness; -Counterclockwise Rotation	1
25***63	Rod-Threaded; (1-8-Acme Thd)	2
25***64	Sleeve As-Adjustment; (Rh Thread)	2

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253-4738 Control Gp-Thickness -Lh Thread

1J***36	Pin-Spring; (Spring)	2
25***38	Control Group-Thickness; -Lh Thread	1
25***56	Sleeve As-Adjustment; (Lh Thread)	2
25***62	Rod-Threaded; (1-8-Acme Thd, Lh)	2

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290-1628 Crown Gp-Power

10***39	Key-Square	1
11***50	Sprocket; (12-Teeth)	1
18***45	Boss; (12.7x25.4x15.7-mm Thk)	2
19***83	Bolt-Shoulder; (3/8-16x0.63-In)	1

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196-2503 Jack Gp-Height Adjuster

10***64	Bearing-Thrust	2
11***49	Worm	1
19***03	Jack Group-Height Adjuster	1
19***44	Cap	1

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277-2006 Motor Gp-Power Adjuster

07***77	Bushing-Terminal	2
10***02	Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)	1
10***87	Sleeve; (26-cm)	0
12***07	Screw-Hex; (10-16x1-In)	8

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277-2004 Motor Gp-Power Adjuster

07***77	Bushing-Terminal	2
10***02	Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)	1
10***87	Sleeve; (26-cm)	0
12***07	Screw-Hex; (10-16x1-In)	8

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197-9850 Shaft Gp-Drive -Front

17***69	Kit-Bearing; (Universal Joint)	1
19***11	Shaft As	1
19***12	Spindle As	1
19***50	Shaft Group-Drive; -Front-Non-Actuated	1

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197-9849 Shaft Gp-Drive -Rear

17***69	Kit-Bearing; (Universal Joint)	1
19***11	Shaft As	1
19***45	Spindle As	1
19***49	Shaft Group-Drive; -Rear-Actuated	1

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Electrical And Starting System

351-5775 Electronics Gp-Implement

10***02	Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)	1
12***75	Tube-Heat Shrink; (7.44-mm Dia)(560-cm)	0
12***76	Tube-Heat Shrink; (17.78-mm Dia)(140-cm)	0
22***38	Sensor Group-Temperature; (Screed Heat)	1

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322-9153 Sensor Gp-Temperature

10***05	Plate	10
10***04	Kit-Receptacle; (4-Pin)(Start Switch)	1
11***62	Tube-Heat Shrink; (10.85-mm Dia)(299-cm)	0
12***75	Tube-Heat Shrink; (7.44-mm Dia)(560-cm)	0

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334-7882 Sensor Gp-Temperature

10***06	Receptacle Kit; (Includes Wedge And Receptacle Assem.)	1
18***35	Pin-Connector; (16-Ga To 18-Ga)	8
24***12	Switch As-Toggle; (Right Extender Width Sw)	3
26***84	Bracket	1

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296-1288 Software Gp-Implement

06***44	Grommet	2
10***01	Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)	1
10***02	Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)	1
10***03	Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)	1

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293-6541 Wiring Gp-Heater

06***44	Grommet	2
10***01	Kit; (Receptacle) (12-Pin) (Includes Receptacle As & Wedge)	1
10***02	Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)	1
10***03	Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)	1

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306-7603 Wiring Gp-Panel

28***20	Kit-Seal; (Hydraulic Cylinder)	1
2K***37	Nut (National Fine); (3/4-16-Thd)	1
30***03	Wiring Group-Panel	1
5E***83	Pin	2

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293-6625 Wiring Gp-Screed

10***40	Spacer; (10.74x17.14x7-mm Thk)	4
10***84	Pin As	4
14***74	Elbow As	10
14***78	Elbow, 90°,-6 Orb /-6 Orfs; (90°) (-6 Orbx-6orfs)	1

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276-4552 Wiring Gp-Screed -Extension

14***78	Elbow, 90°,-6 Orb /-6 Orfs; (90°) (-6 Orbx-6orfs)	2
15***36	Elbow As.	2
16***32	Pin	2
16***44	Adjuster	2

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Electrical System

294-8232 Box Gp-Screed Control -Lh

10***02	Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)	1
12***75	Tube-Heat Shrink; (7.44-mm Dia)(560-cm)	0
14***45	Switch As-Temperature; (Screed Heat)	1
1F***13	Locknut; (3/4-In)	2

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294-8231 Box Gp-Screed Control -Rh

10***03	Kit; (Receptacle) (3-Pin) (Includes Receptacle As & Wedge)	1
11***62	Tube-Heat Shrink; (10.85-mm Dia)(299-cm)	0
12***67	Pin-Connector; (14-Ga To 16-Ga)(14-Ga Wire)	21
13***00	Clip; (Tab)	2

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348-7769 Box Gp-Screed Control

1F***13	Locknut; (3/4-In)	2
23***80	Fitting; (Pipe)	1
32***51	Fitting	1
33***82	Sensor Group-Temperature	1

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Frame And Body

300-9991 Arm Gp-Drop

12***64	Receptacle As-Connector; (1-Pin)	2
13***89	Clip; (Ladder)	4
25***44	Spacer; (14.86x19.05x12.5-mm Thk)	4
25***93	Clamp As	2

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295-3079 Carriage Gp-Extender

10***02	Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)	1
12***63	Plug As-Connector; (1-Pin)	8
12***64	Receptacle As-Connector; (1-Pin)	6
13***89	Clip; (Ladder)	4

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295-3080 Frame Gp-Screed

10***02	Kit-Receptacle; (2-Pin)(Engine Sensor Wiring Harness)	1
12***63	Plug As-Connector; (1-Pin)	10
12***64	Receptacle As-Connector; (1-Pin)	6
13***89	Clip; (Ladder)	6

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253-4735 Gate Gp-End

15***79	Film-Instruction; (Grease)(Instructions)	8
16***89	Tack-Fastener	4
18***68	Plate-Serial Number	1
24***55	Film; (Warning) (No Step) (On The Blade Angle Cylinders)	2

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295-3084 Plate & Heater Gp-Screed -Electric Heat

29***84

Plate & Heater Group-Screed; -Electric Heat

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302-8206 Plate Gp-Screed -18-In Berm

30***06

Plate Group-Screed; -18-In Berm

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311-6561 Plate Gp-Screed -Electric Heat, Main

31***61

Plate Group-Screed; -Electric Heat, Main

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295-2942 Plate Gp-Screed

29***42

Plate Group-Screed

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295-2943 Plate Gp-Screed -12-In Berm

29***43

Plate Group-Screed; -12-In Berm

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Hydraulic System

263-2817 Cylinder Gp-Hydraulic -Slope

10***05	Plate	4
10***45	Clamp	14
14***09	Adapter As	1
14***18	Connector As	3

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197-9766 Cylinder Gp-Hydraulic -Slope

10***05	Plate	4
10***45	Clamp	14
14***09	Adapter As	1
14***18	Connector As	3

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295-3078 Lines Gp-Extender

10***05	Plate	4
10***45	Clamp	12
14***09	Adapter As	1
14***18	Connector As	3

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299-5765 Lines Gp-Slope

00***39	Adapter-Pipe	4
10***95	Bearing	4
10***39	Key-Square	4
10***33	Key-Square; (1/4in X 3/4in Lg)	4

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253-4756 Lines Gp-Slope

10***05	Plate	4
10***03	Manifold; (Forward Return,Rear Return)	1
14***09	Adapter As	3
14***18	Connector As	1

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295-3083 Lines Gp-Vibratory

11***33	Washer; (11x50x6-mm Thk)	2
19***83	Bolt-Shoulder; (3/8-16x0.63-In)	2
19***01	Bracket	2
19***03	Platform As; (Extender)	2

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308-2125 Motor Gp-Gear

13***20	Shaft	2
13***77	Lockout	2
17***69	Kit-Bearing; (Universal Joint)	1
1D***06	Nut 13.89 mm (.546 In.)	4

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332-1453 Valve Gp-Solenoid

19***12	Plate	2
1D***06	Nut 13.89 mm (.546 In.)	4
20***59	Pin-Lock	2
21***59	Plate	1

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300-0505 Valve Gp-Solenoid

16***39	Bolt; (5/8-11x3.5-In)	6
18***25	Scraper; (Brass)	6
19***57	Scraper As	6
1D***18	Nut-Plt-Jam; (5/8unc)	6

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295-3082 Vibratory Gp

12***64	Receptacle As-Connector; (1-Pin)	2
13***89	Clip; (Ladder)	6
25***44	Spacer; (14.86x19.05x12.5-mm Thk)	4
25***93	Clamp As	2

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Implements

322-6286 Extension Gp-Screed -Electric Heat, 2-Ft

32***86

Extension Group-Screed; -Electric Heat, 2-Ft

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322-6285 Extension Gp-Screed -Electric Heat, 1-Ft

32***85

Extension Group-Screed; -Electric Heat, 1-Ft

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253-4747 Shoe Gp-Cutoff

25***47

Shoe Group-Cutoff

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Machine Arrangement

294-0947 Screed Ar

25***35	Gate Group-End	1
25***52	Adjuster Group-Height	1
25***56	Lines Group-Slope	1
29***28	Crown Group-Power	1

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Operator Station

295-3087 Platform Gp-Operator

12***64	Receptacle As-Connector; (1-Pin)	2
13***89	Clip; (Ladder)	4
25***44	Spacer; (14.86x19.05x12.5-mm Thk)	4
25***93	Clamp As	2

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Service Equipment And Supplies

295-3081 Plate & Film Gp

29***81

Plate & Film Group

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AS2252C serial number reference

The PIN/serial plate is riveted or bolted to the screed main frame, usually on the tow-point crossmember or the walkway side rail near where the screed couples to the paver tractor, not on the tractor itself. The plate reads as a 3-letter prefix followed by a sequential number (e.g. TDS00123); the prefix identifies the production/parts-catalog range, the digits are the individual unit sequence.

Prefix	Identifies	Notes
TDS	Vers-A-Mat AS2252C production screed - standard catalog run	Serial prefix for the AS2252C asphalt screed in Cat's parts and service catalog. Electric-heat screed plate; no engine of its own, bolts to a tracked or wheeled paver tractor. Narrow front-mounted extenders simplify width adjustment. Seen paired with the AP-655D paver tractor in field configurations. Plate-width dimensions vary from the sibling AS3251C screed - confirm exact figures with your Cat dealer.

Frequently asked questions

What engine does the Caterpillar AS2252C use?

The AS2252C has no engine of its own. It is a bolt-on screed attachment that draws hydraulic and electric power from its host paver tractor - documented behind the Cat AP500E wheeled paver and AP555E tracked paver, both powered by a Tier 3 Cat C4.4 diesel. Engine service and intervals belong to the tractor's own operation and maintenance manual, not the screed.

What is the operating weight of the AS2252C?

The screed itself weighs approximately 3,300 kg (7,240 lb), though this varies with extension kit and power berm configuration. Mounted to an AP500E paver, combined tractor-plus-screed operating weight runs around 15,300 kg (33,700 lb); on the tracked AP555E it is closer to 16,000 kg (35,300 lb). Treat exact figures as configuration-dependent and confirm against the specific paver's data plate.

What replaced the AS2252C?

Cat retired the Vers-A-Mat screed line when it moved its paver range to the F-series (AP600F, AP655F, AP1000, AP1055F). Those pavers use the SDX screed plate system on SE50V, SE50VT, SE60V, SE60VXW, and SE60VT XW screeds. None of these mount directly in place of an AS2252C - they require the F-series tractor's mounting and control interface.

What AS2252C owners discuss

Does the AS2252C have its own engine, pump, or undercarriage to maintain?

No. The AS2252C is a trailing screed, not a self-propelled paver — treat it as a work-tool attachment. It mounts behind a base paving tractor (documented paired with the AP555E class) and draws hydraulic and electrical power through the tow arms from the base machine's pump and electrical circuit. There's no onboard engine, transmission, or track/wheel undercarriage to service. Wear items are limited to the screed frame, extenders, plates, tow-point hardware, and the electric heating circuit. Hydraulic hose and connector fitment at the tow arm varies by which base paver the screed is paired with — confirm the match before ordering hose or fitting parts.

What do operators say about the electric heating system on this screed?

The AS2252C uses electric heating elements built into the main and extender screed plates for a quick warm-up to paving temperature. The recurring complaint across this screed frame class isn't total heat failure — it's uneven mat temperature across the width, usually traced to one or two dead elements or a corroded/loose harness connector rather than a bad heat bank overall. Standard practice before condemning anything: check each element circuit for continuity with a meter, then do a multi-point temperature-gun scan across the full plate width once at operating temp. On higher-hour units, watch for frame fatigue and cracking around the heater mounting points from repeated heat-cool cycling. Any diagnosis that involves opening up a live heating circuit — have your dealer verify before working on it.

How do the front-mounted hydraulic extenders hold up over time?

The narrow, front-mounted hydraulic extenders are liked for simplifying paving-width changes with less hand work, but the tradeoff reported by owners is wear at the extender slide/wear-plate interface and at the extension pins after sustained running in wide mode. The classic symptom flagged on operator boards is a loud bang partway through a pass with the extensions moving vertically — that points to worn extender wear strips or a loose/worn pin, not usually the hydraulic cylinder itself. Check extender slop with the screed floated and unloaded before blaming the cylinder.

What's the typical wear pattern on the screed plates?

Main plates run 457 mm (18 in) wide and extender plates 229 mm (9 in), built from an abrasion-resistant alloy (Hardox 500 XF class) with a curved profile intended to pre-compact material and improve flow under the screed. Consensus is these hold up well for their duty cycle, but the curved leading edge eventually wears flat, and that's when operators start seeing mat texture or streaking complaints. Uneven wear side to side is usually a symptom of the screed running out of level or crown adjustment rather than a plate defect — check screed setup before swapping plates.

Are there known electrical or sensor issues with grade/slope control on this screed?

Screeds in this class commonly run sonic ski or averaging-beam grade sensors. A known nuisance is sensor noise or false readings when an averaging beam is folded up with multiple sonic heads clustered close together, or when a sensor sits in a heat-haze/dust zone right off the mat. The more common real-world fault, though, is wiring — the harness connectors at the tow point flex constantly during paving and are a recurring source of intermittent grade-control faults. Check tow-point connectors and harness routing before condemning the sensor head itself.

What about the tow arm and tow point — any wear concerns?

The tow arm pins and pivots carry the shock load between the base paver and the screed and are a daily grease point. On higher-hour units, watch for elongated pin bores or play at the tow point. This is a safety item, not just a maintenance one — significant tow-point wear can let the screed shift or separate from the paver under load during transport or paving. If you see play at the tow point, have your dealer verify tow-arm and pin condition before returning the unit to service.

What should I check when buying a used AS2252C?

Confirm the screed is paired with (or fitted for) the same paver series it's being sold with — hydraulic and electrical hookups at the tow arm vary by base machine and aren't universal. Run the heat circuit and temperature-gun scan the full plate width for even heat. Check every heating element circuit with a meter rather than relying on a visual. Inspect main and extender wear plates and pins for play, and cycle the extenders through full travel checking for banging or vertical movement. Check tow arm pin bores for elongation. Inspect the frame near the heater mounting points for cracking from heat-cycle fatigue. Check grade-control sensor wiring and connectors at the tow point for chafing. On any high-hour unit, have your dealer verify frame welds and tow-point structural condition before you buy.

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

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