| Parameter | Specification | Testing Standard |
|---|---|---|
| COGENG Part Number | COGENG-86991433-WH | Internal Quality Standard QS-499 |
| Replaces OEM Part No. | 86991433 | Direct OEM Replacement |
| Wire Gauge Range | 0.75 mm² - 16.0 mm² | SAE J1128 |
| Temperature Rating | -40°C to +105°C (-40°F to +221°F) | ISO 16750-4 |
| Insulation Material | Cross-linked polyethylene | UL 224 |
| Protective Conduit | Corrugated nylon | SAE J2031 |
| Voltage Rating | 24V DC | SAE J551 |
| Current Capacity | 5A - 100A (circuit dependent) | ISO 3780 |
| Insulation Resistance | >100 MΩ at 1000V DC | IEC 60851 |
| Dielectric Strength | 2500V AC for 60 seconds | ISO 1456 |
| Connector System | Case-specific weatherproof | USCAR-2 |
| Waterproof Rating | IP67 (connectors) | IEC 60529 |
| Vibration Resistance | 10-2000 Hz, 15G RMS | ISO 19453 |
| Circuit Function | Wire Gauge | Color Code | Connector Type | Application |
|---|---|---|---|---|
| Starter Motor | 16.0 mm² | Red | Heavy-duty lugs | High-current starting |
| Alternator Output | 10.0 mm² | Orange | Ring terminals | Charging system |
| Engine ECU Power | 4.0 mm² | Red/White | 12-pin weatherproof | ECU main power |
| Fuel Injectors | 1.5 mm² | Blue/Yellow | 8-pin connector | Injection control |
| Sensors Group | 0.75 mm² | Various | 4-pin weatherpack | Temperature/pressure |
| Glow Plug Control | 4.0 mm² | Black/White | 4-pin HD connector | Cold start system |
| Ground Distribution | 16.0 mm² | Black | Multiple points | System grounding |
| CAN Bus System | 0.75 mm² | Orange/Brown | Twisted pair shielded | Data communication |
| Equipment Model | Model Years | Engine Type | Serial Number Range |
|---|---|---|---|
| Case CX210 | 2010-2015 | Case 4TAA Diesel | CX21010001-CX21028500 |
| Case CX210 LC | 2010-2015 | Case 4TAA Diesel | CX210L1001-CX210L8500 |
| Case CX210B | 2012-2016 | Case 4TAA Diesel | CX210B2001-CX210B9200 |
| Related Models | 2010-2016 | Case 4TAA Series | Verify compatibility first |
Routing Specifications
Maintain minimum 50mm clearance from exhaust components
Secure with OEM-style mounting clips every 150mm
Avoid sharp edges and moving components
Follow original harness routing path exactly
Electrical Connections
Ensure connectors are fully seated and locked
Verify proper grounding point connections
Check pin alignment before connection
Apply dielectric grease to weatherproof connectors
Connection Specifications
Starter connections: 15-18 Nm (11-13 ft-lbs)
Ground terminals: 10-12 Nm (7-9 ft-lbs)
Sensor connectors: Hand-tight until click
ECU connectors: 5-7 Nm (4-5 ft-lbs)
Commissioning Procedure:
Pre-Start Verification
Verify battery reconnection
Check all connector engagements
Inspect harness routing clearance
Confirm proper grounding
System Testing Sequence
Perform continuity test on all circuits
Check for short circuits to ground
Verify sensor resistance values
Test starter and charging systems
Validate CAN Bus communication
| Parameter | Minimum | Typical | Maximum |
|---|---|---|---|
| Starter Circuit Voltage Drop | N/A | <0.3V | <0.5V |
| Sensor Circuit Resistance | N/A | <0.1Ω | <0.2Ω |
| CAN Bus Termination | 110Ω | 120Ω | 130Ω |
| Insulation Resistance | 100 MΩ | 500 MΩ | N/A |
| Voltage Drop (Signal) | N/A | <0.1V | <0.2V |
| Maintenance Activity | Interval | Parameters | Test Equipment |
|---|---|---|---|
| Visual Inspection | 250 hours | Check for abrasion, heat damage | Visual assessment |
| Connector Check | 500 hours | Verify IP67 seal integrity | Connector test tool |
| Resistance Test | 1000 hours | Circuit resistance < 0.2Ω | Digital multimeter |
| Insulation Test | 2000 hours | >100 MΩ at 1000V DC | Megohmmeter |
| Load Test | 4000 hours | Full current capacity test | Clamp meter |
Q1: Which Case excavator models use the 86991433 engine wiring harness?
A: This engine wiring harness is designed for Case CX210, CX240, and CX290 excavators requiring OEM part number 86991433. Please verify compatibility with your machine serial number before ordering.
Q2: What is included in the COGENG 86991433 engine wiring harness?
A: This is a complete engine wiring harness assembly, including all necessary connectors, terminals, and wiring for engine management, sensors, fuel system, and related components.
Q3: Is this an OEM or aftermarket harness?
A: It is an OEM-grade replacement harness, manufactured to meet or exceed original Case quality standards for durability, electrical performance, and precise fit.
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