Caterpillar 313D CR
Caterpillarexcavator

Caterpillar 313D CR

Maintenance schedule, common problems & OEM parts breakdown

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The Caterpillar 313D is a midi-class crawler excavator produced from 2011 onward, designed for utility trenching, drainage work, and demolition in tight spaces. It is powered by a Cat C4.2 ACERT engine delivering 96.6 hp gross power (72 kW) and 89.9 hp net power (67 kW). The machine weighs approximately 13,430 kg (29,608 lb) with a standard undercarriage. It succeeded the 313C series and was later replaced by the 313D2 and 314D models. Configurations included standard radius and compact radius (CR) tail swings, with options for heavy-duty booms and sticks.

The 313D introduced significant changes over its predecessors, including a redesigned operator station with a full-color LCD monitor, improved hydraulic efficiency via a cross-sensing system, and extended service intervals to reduce downtime. The machine remains relevant in the used and parts market due to its durable X-shaped carbody, grease-lubricated tracks, and widespread availability of Cat C4.2 engine components. Its compact radius design allows operation in confined areas, making it a staple for municipal and utility contractors.

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 313D CR specifications

Engine

ModelCat C4.2 ACERT
Gross Power96.6 hp (72 kW)
Net Power89.9 hp (67 kW)
Displacement259.4 cu in (4.25 L)
Cylinders4
Emissions TierTier 3 / Stage IIIA

Weights

Operating Weight (Standard Undercarriage)29,608 lb (13,430 kg)
Ground PressureNot documented for this exact serial range — verify with your dealer
Transport Weight29,608 lb (13,430 kg)

Dimensions

Transport LengthNot documented for this exact serial range — verify with your dealer
Transport WidthNot documented for this exact serial range — verify with your dealer
Transport HeightNot documented for this exact serial range — verify with your dealer
Tail Swing RadiusNot documented for this exact serial range — verify with your dealer
Track Shoe WidthNot documented for this exact serial range — verify with your dealer
Ground ClearanceNot documented for this exact serial range — verify with your dealer
Undercarriage LengthNot documented for this exact serial range — verify with your dealer

Performance

Max Dig DepthNot documented for this exact serial range — verify with your dealer
Max Reach at GroundNot documented for this exact serial range — verify with your dealer
Max Dump HeightNot documented for this exact serial range — verify with your dealer
Max Cutting HeightNot documented for this exact serial range — verify with your dealer
Swing Speed12.4 rpm
Travel Speed3.4 mph (5.5 km/h)
GradeabilityNot documented for this exact serial range — verify with your dealer
Drawbar Pull25,628 lb (114 kN)

Forces

Bucket Digging ForceNot documented for this exact serial range — verify with your dealer
Stick/Arm Digging ForceNot documented for this exact serial range — verify with your dealer

Service capacities (summary)

Fuel Tank66 gal (250 L)
Hydraulic System/Tank42.8 gal (162 L) total; 39.6 gal (150 L) tank
Engine Oil5.2 gal (19.5 L)
Cooling System4.7 gal (17.9 L)

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

313D CR fluids & capacities

SystemCapacityRecommended fluid
Engine crankcase (with filter)19.5 l (5.2 gal (US))Caterpillar DEO or TDTO; viscosity varies by climate per operation and maintenance manual
Cooling system17.9 l (4.7 gal (US))Caterpillar ELC; specific formulation not detailed in provided source text
Fuel tank250 l (66 gal (US))Diesel fuel meeting applicable regional emission standards
Hydraulic system total162 l (42.8 gal (US))Caterpillar HYDO or equivalent; viscosity varies by climate per operation and maintenance manual
Hydraulic tank150 l (39.6 gal (US))Caterpillar HYDO or equivalent; viscosity varies by climate per operation and maintenance manual
Final drive (each)3 l (0.79 gal (US))Caterpillar TDF or equivalent; viscosity varies by climate per operation and maintenance manual
Swing drive3 l (0.79 gal (US))Caterpillar TDF or equivalent; viscosity varies by climate per operation and maintenance manual
Pilot/other circuitsNot documented for this exact serial range — verify with your dealerNot documented for this exact serial range — verify with your dealer
Grease (spec only)Not applicableLithium complex or equivalent grease suitable for heavy equipment

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

Caterpillar 313D CR maintenance schedule

Service intervalTasks
Every 10 h
  • Check engine oil level.
  • Check coolant level.
  • Check fuel water separator and drain water.
  • Inspect air cleaner service indicator.
  • Inspect track tension and condition.
Every 250 h
  • Change engine oil and oil filter.
  • Replace fuel primary filter (water separator) element.
  • Replace fuel secondary filter element.
  • Clean or replace engine air cleaner element.
  • Inspect alternator belt for wear and adjust tension.
  • Lubricate all grease points on boom, stick, and bucket.
Every 500 h
  • Replace hydraulic return filter capsule.
  • Inspect hydraulic hoses and clamps for damage.
  • Inspect radiator and oil cooler fins for debris.
  • Test cooling system supplemental coolant additive (SCA).
  • Inspect engine crankcase breather and clean if necessary.
  • Check battery electrolyte level and clean terminals.
Every 1,000 h
  • Obtain Scheduled Oil Sampling (S.O.S) for engine oil.
  • Obtain S.O.S for hydraulic system oil.
  • Obtain S.O.S for coolant.
  • Inspect final drive oil levels.
  • Inspect swing drive oil levels.
  • Inspect travel motor oil levels.
Every 2,000 h
  • Change hydraulic system oil.
  • Change hydraulic tank oil.
  • Replace pilot filter element.
  • Replace drain filter element.
  • Inspect and clean fuel tank filler cap.
  • Inspect fuel tank for corrosion or damage.

Servicing the 313D CR beyond the schedule

Predictive Maintenance & Fluid Analysis

Utilize the S∙O∙SSM sampling ports located on the engine, hydraulic system, and coolant circuit. Sample engine oil, hydraulic oil, and coolant at the 1,000-hour interval to detect wear metals and contamination. Monitor the air cleaner service indicator on the monitor screen; replace the double-element air filter at 500 hours or when the indicator signals. Check the cooling system SCA levels at 500 hours to maintain corrosion protection. Use Cat DEO oil and TDTO hydraulic fluid as specified in the machine fluids recommendations.

Corrective & Common Repairs

Address hydraulic snubber leaks at the boom cylinder rod end and stick cylinder ends to prevent shock damage. Inspect the grease-lubricated track seals for wear; replace track links if inner wear exceeds limits. Check the travel motors for oil leaks and maintain automatic speed selection functionality. Replace the capsule hydraulic return filter if pressure drop increases. Inspect the forged crankshaft and aluminum alloy pistons for signs of abnormal wear during major service intervals. Verify the integrity of the X-shaped carbody welds under high-stress conditions.

Overhaul & Rebuild Points

Rebuild the hydraulic pumps when cross-sensing system efficiency drops below specification. Inspect the swing drive and final drive gears for pitting or wear during the 2,000-hour oil change. Replace the hydraulic tank and system oil at 2,000 hours to prevent component degradation. Check the boom and stick cylinder bore conditions; replace seals if leakage occurs. Inspect the viscous rubber cab mounts for deterioration to maintain operator comfort. Evaluate the undercarriage pentagonal track roller frames for structural fatigue.

Seasonal & Environment Servicing

In high-ambient temperatures up to 52°C (125°F), clean the radiator and oil cooler fins daily to prevent derating. In cold conditions down to -25°C (-13°F), ensure the cold-start capability is functional and use appropriate coolant concentration. Inspect rubber hoses and seals for brittle cracking in extreme temperatures. Drain the fuel water separator more frequently in humid or cold climates to prevent water intrusion. Verify the battery load monthly in cold weather. Clean the fan guard mesh to maintain airflow.

313D CR fault codes & troubleshooting

CodeMeaningLikely causeWhat to do
110-0Engine Coolant Temperature — Above NormalLow coolant level, failed thermostat, or blocked radiator core.Check coolant level immediately; inspect for leaks and test thermostat function.
110-3Engine Coolant Temperature Sensor — Voltage Above NormalOpen circuit in sensor wiring or short to power on the sensor circuit.Inspect sensor wiring harness for damage; replace sensor if circuit is intact.
174-3Engine Fuel Temperature — Voltage Above NormalOpen circuit in the fuel temperature sensor wiring.Inspect harness and replace sensor if necessary.
190-8Engine Speed — Abnormal FrequencySpeed sensor air gap issue, sensor failure, or tone ring damage.Check sensor gap; test speed sensor and tone ring for damage.
41-38-Volt DC Supply — Voltage Above NormalShort to power on the 8V reference circuit.Inspect sensors sharing the 8V supply and isolate the fault.
41-48-Volt DC Supply — Voltage Below NormalShort to ground on the 8V reference circuit.Disconnect sensors one at a time to locate the short.
2348-9SAE J1939 Data Link #2 — Abnormal Update RateCAN bus wiring damage or termination fault.Check CAN wiring and measure termination resistance.
E360Engine Coolant Temperature — High (Event Code)Severe cooling system failure or low coolant causing critical temperature rise.Do not operate; perform full cooling system diagnosis.

Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.

313D CR attachments & work tools

Buckets

The 313D CR utilizes a standard General Duty (GD) bucket with a capacity of 0.53 m³ (0.69 yd³). The machine is classified as a midi excavator with an operating weight of 29608 lb (13428 kg), which dictates the use of buckets in the 0.5 to 0.7 m³ range for optimal performance.

Hydraulic hammers

The 313D CR is equipped with a Cat C4.2 ACERT engine delivering 89.9 hp (67 kW) net power, which aligns with the 3 to 5 ton class of hydraulic breakers. The main implement system maximum flow is 33.6 gal/min (127 L/min), supporting standard medium-flow breaker operations.

Quick couplers

The excavator supports Cat-style quick coupler systems for rapid attachment changes. The operator interface allows input of coupler data to reduce calibration time, and the machine features a standard high-ambient temperature capability up to 52°C (125°F) without derate.

Thumbs/grapples

The machine supports hydraulic thumb and grapple attachments for material handling. The Cat Payload system provides real-time weight estimates for bucket and thumb combinations or grapple and clamshell attachments without swinging.

Rippers

The 313D CR is designed for general excavation and utility work rather than heavy ripping. The source documentation does not specify a dedicated ripper attachment for this model, focusing instead on bucket and thumb/grapple configurations.

Hydraulic-kit notes

The excavator features a Hydraulic Cross-Sensing System with two main pumps. Auxiliary hydraulic lines are routed to the boom foot to facilitate the installation of additional hydraulic circuits for work tools.

All 313D CR assemblies by section

Every catalogued assembly group for the Caterpillar 313D CR. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.

Machine Arrangement
0j-0000 Chart-Commonality
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See all parts with full part numbers in Heavy Parts AI →

313D CR serial number reference

Locate the Product Identification Number (PIN) plate on the right side of the upper structure, near the swing cylinder or rear counterweight. The prefix is the first three alphanumeric characters of the PIN, indicating the machine model and manufacturing factory.

PrefixIdentifies
LBR313D CR

Frequently asked questions

What engine does the Caterpillar 313D use?

The Caterpillar 313D uses a Cat C4.2 ACERT engine with a gross power of 96.6 hp (72 kW) and net power of 89.9 hp (67 kW).

What is the operating weight of the 313D?

The operating weight is 13,430 kg (29,608 lb) with a standard undercarriage. Weight varies by configuration and attachment package.

What model replaced the Caterpillar 313D?

The Caterpillar 313D was succeeded by the 313D2 and 314D models in the midi excavator lineup.

What 313D CR owners discuss

What engine powers the Caterpillar 313D CR, and what are its key power specifications?
The Caterpillar 313D CR is powered by the Cat C4.2 ACERT engine. It delivers 89.9 hp (67 kW) of flywheel power and 96.6 hp (72 kW) of gross power. The engine has a displacement of 4.25 l (259.35 in³) with a bore of 102 mm (4.02 in) and a stroke of 130 mm (5.12 in). It meets U.S. EPA Tier 3 and EU Stage IIIA emissions regulations. The engine uses an ADEM A4 Engine Controller for fuel delivery management and features a forged, one-piece crankshaft with induction hardening to reduce vibration and improve abrasion resistance. Heat-resistant aluminum alloy pistons with a short compression height are used for efficiency and longevity. Economy mode is available as standard to balance performance and fuel economy. The engine oil capacity is 19.5 l (5.2 gal). Coolant system capacity is 17.9 l (4.7 gal). Fuel tank capacity is 250 l (66 gal US). The engine requires Cat DEO or TDTO fluid for lubrication and standard diesel fuel. Note: The 313D CR shares the base 313D engine platform; verify specific emissions tier (Tier 3 vs. later) with the dealer based on the machine's serial number and region, as configurations vary by market and year of manufacture. Have your dealer verify the exact engine code and emissions package for your specific unit.
How does the hydraulic system operate, and what are common performance behaviors?
The 313D CR utilizes a hydraulic cross-sensing system with two main pumps that use up to 100 percent of engine power under all operating conditions. Maximum flow for the main implement system is 127 L/min (33.6 gpm) per pump. Maximum pressure for implements is 30500 kPa (4424 psi), for travel is 35000 kPa (5076 psi), and for swing is 23000 kPa (3336 psi). The pilot system has a maximum flow of 21.9 L/min (5.8 gpm) and pressure of 4120 kPa (598 psi). The system features a boom and stick regeneration circuit that saves energy during boom-down and stick-in operations. Electronic under-speed control adjusts pump output to prevent engine stalls. Flow is reduced to a minimum when controls are in neutral to save fuel. The hydraulic system capacity, including the tank, is 162 l (42.8 gal US), with the hydraulic tank holding 150 l (39.6 gal US). The system uses Cat ELC or HYDO fluid. Operators should monitor for jerky movements or slow response, which often indicate contamination or internal leakage. The hydraulic return filter is a capsule type located outside the tank to prevent contamination during oil changes. Have your dealer verify the specific hydraulic pump model and pressure settings via the serial number spec sheet.
What are the typical undercarriage wear patterns and maintenance requirements for this machine type?
The 313D CR features grease-lubricated track seals to protect track links and extend pin and bushing life. The undercarriage includes robot-welded track roller frames that are press-formed pentagonal units for strength. Travel motors have automatic speed selection for smooth transitions between high and low speeds. A common issue with CAT excavator final drives is the failure of the floating face seal (duo-cone seal), which leaks gear oil from the planetary hub and allows contamination (sand, grit, soil) to enter. This leads to costly damage if not addressed. Undercarriage cleanliness is critical; debris packed around the drive motor can push the face seal out of place, causing premature failure. Final drive gear oil capacity is 3 l (0.79 gal US) per unit. Swing drive capacity is also 3 l (0.79 gal US). Regular inspection of the face seal area for leaks is essential. Have your dealer verify the undercarriage configuration and track shoe width, as these affect wear rates and ground pressure.
What are common electrical or sensor issues reported for the 313D series?
Electrical instability is a frequent issue, often caused by moisture intrusion into connectors, stressed wiring harnesses, or failing charging systems. A weak battery can cause the ECM (Engine Control Module) to behave erratically, leading to unpredictable fault codes and startup failures. Operators may mistake grounding problems or voltage loss under load for a failed control unit. Common root causes include alternator failure, loose or corroded grounds, and battery deterioration. The machine uses a full color 400×234 pixels LCD monitor that displays error codes and system information. The monitor can display information in multiple languages, including Chinese. Diagnostic connections for the Cat Electronic Technician (Cat ET) service tool are located behind the cab. S∙O∙SSM sampling ports are provided for hydraulic system, engine oil, and coolant analysis. Regular inspection of electrical connectors and grounding points is recommended to prevent erratic behavior. Have your dealer verify the specific wiring harness part numbers and connector types for your serial range.
What are the key structural and design features of the 313D CR's boom and stick?
The 313D CR features a 4.65 m one-piece, heavy-duty boom made from a new forging pattern with additional, thicker plates. A light is attached to the left side for improved visibility. The stick is a 2.5 m heavy-duty model with additional plates, new forged parts, and welded joints for increased durability, digging force, and lifting capability. The carbody is an X-shaped, box section design that provides excellent resistance to torsional bending. More than 70 percent of structural welds are robotic, achieving additional penetration over manual welds. The front linkage uses self-lubricating bearings that resist corrosion and galling. Boom cylinder bore is 110 mm (4.33 in) with a stroke of 1015 mm (39.96 in). Stick cylinder bore is 120 mm (4.72 in) with a stroke of 1197 mm (47.13 in). Bucket cylinder bore is 100 mm (3.94 in) with a stroke of 939 mm (36.97 in). Hydraulic snubbers are located at the rod end of the boom cylinders and both ends of the stick cylinders to cushion shock and reduce sound. Have your dealer verify the exact boom and stick lengths and configurations available for your specific unit.
What should be checked when buying a used 313D CR excavator?
When purchasing a used 313D CR, check the following: 1. Engine: Verify the Cat C4.2 ACERT engine runs smoothly with no excessive smoke or power loss. Check for oil leaks around the crankshaft and piston areas. 2. Hydraulics: Test all functions for smooth operation and check for jerky movements. Inspect the hydraulic system for leaks, especially around the main pumps and cylinder seals. Check the hydraulic oil condition and level. 3. Undercarriage: Inspect the final drive face seals for gear oil leaks between the sprocket and the motor. Check the undercarriage for wear on track links, pins, and bushings. Ensure the undercarriage is clean to prevent debris from damaging the face seals. 4. Electrical: Verify the battery and alternator are in good condition. Check for error codes on the LCD monitor and ensure all sensors are functioning. Inspect wiring harnesses for damage or corrosion. 5. Structure: Inspect the boom and stick for cracks or excessive wear, especially at the welded joints. Check the carbody for signs of fatigue or damage. 6. Service History: Review maintenance records for regular oil changes, filter replacements, and S∙O∙SSM sampling results. Note: The 313D CR shares the base 313D platform; verify specific configurations and serial ranges with the dealer. Have your dealer verify the machine's exact configuration and service history.
What are the safety-critical maintenance items for the 313D CR?
Safety-critical maintenance items include: 1. Final Drive Face Seals: Inspect regularly for leaks. A failed face seal allows contamination into the planetary hub, leading to catastrophic failure. Address leaks immediately. 2. Undercarriage Cleanliness: Keep the undercarriage clean to prevent debris from packing around the drive motors and pushing the face seals out of place. 3. Hydraulic System: Monitor hydraulic oil condition and level. Replace the hydraulic return filter (capsule type) regularly to prevent contamination. 4. Electrical System: Ensure all electrical connections are secure and free from corrosion. Check the battery and alternator for proper function. 5. Cooling System: Clean the radiator, oil cooler, and air-to-air-after-cooler regularly to prevent overheating. Check the coolant level and condition. 6. Cab and Operator Station: Ensure the cab mounts are in good condition to dampen vibrations. Check the seat belt and suspension for proper function. 7. Emergency Stops: Verify that all emergency stop functions are operational. Note: The 313D CR shares the base 313D platform; verify specific safety features and maintenance intervals with the dealer. Have your dealer verify the exact safety features and maintenance schedule for your specific unit.

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

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