SAE J1939/11 CAN-Bus Cable Manufacturer
Professional-grade shielded CAN bus cables for heavy-duty automotive & industrial applications. Built to spec, tested for compliance.
Direct Answer
What is SAE J1939/11 CAN Bus Cable?
SAE J1939/11 is the physical layer standard for CAN bus communication in heavy-duty vehicles, defining specifications for shielded twisted-pair cables operating at 250 Kbps.
Casmo Cable manufactures SAE J1939/11 certified cables with CASFOAM® insulation, rated for −55°C to +150°C, designed for reliable data transmission in automotive, agricultural, and industrial equipment where durability and compliance are critical.
CASPLAST CAN-Bus 125
J1939/11
Operating Temperature: -55°C to +125°C
Insulation: CASFOAM® irradiation cross-linked material
Operating Voltage: 300V
Approval: SAE J1939/11
CASPLAST CAN-Bus 150
J1939/11
Operating Temperature: -55°C to +150°C
Insulation: CASFOAM® irradiation cross-linked material
Operating Voltage: 300V
Approval: SAE J1939/11
Why It Matters
Why Your Application Needs SAE J1939/11 Compliance
Standard Compliance
Industry-standard physical layer for heavy-duty vehicle networks (trucks, excavators, agricultural machinery). Ensures interoperability across OEM systems and supplier networks. Required by major manufacturers: Volvo, Caterpillar, John Deere.
Reliability & Durability
Shielded design eliminates electromagnetic interference in high-noise industrial environments. CASFOAM® insulation provides superior temperature stability (−55°C to +150°C range). Twisted pair construction ensures signal integrity over extended cable runs.
Cost Efficiency
Single cable standard eliminates SKU proliferation. Certified compliance reduces re-engineering risk and accelerates product certification. Lower total cost of ownership vs. custom or non-certified alternatives.
Product Lineup
CASPLAST CAN-Bus Series
Two SAE J1939/11 options engineered for different thermal environments.
Specification | CASPLAST CAN-Bus 125 | CASPLAST CAN-Bus 150 |
|---|---|---|
Operating Temperature | −55°C to +125°C | −55°C to +150°C |
Insulation Material | CASFOAM® (XLPE) | CASFOAM® (XLPE) |
Operating Voltage | 300V | 300V |
Impedance | 120Ω ±10% | 120Ω ±10% |
Data Rate | 250 Kbps | 250 Kbps |
SAE Certification | J1939/11 | J1939/11 |
Best Application | Trucks, buses (moderate temp) | Engine bay, hydraulic systems (high temp) |
Choose CAN-Bus 125 if:
- Operating temperature stays below +125°C
- Standard automotive under-body applications
- Cost optimization priority
- Most truck and bus OEM applications
Choose CAN-Bus 150 if:
- High-temperature exposure (engine bay, hydraulics)
- Agricultural or heavy-construction equipment
- Extended service life under thermal stress
- Premium application requirements
Technical Detail
Complete Technical Specifications
Full datasheet overview for SAE J1939/11 CAN bus cables.
Electrical Properties
· Impedance: 120Ω ±10%
· Velocity of Propagation: 66%
· Operating Voltage: 300V
· Data Rate: 250 Kbps (SAE J1939 physical layer)
· Shielding: Aluminum foil + drain wire (EMI rejection)
· Conductor Material: Tinned copper
Physical Properties
· Insulation: CASFOAM® (irradiation cross-linked PE)
· Jacket: PVC (flame-retardant)
· Construction: Shielded Twisted Pair (STP)
· Wire Gauge: 18 AWG
· Outer Diameter: 6.5mm ±0.3mm
Temperature & Environmental
· Operating: −55°C to +125°C / +150°C
· Storage: −40°C to +70°C
· Flex Life: ≥1,000,000 cycles (IEC 60811-1-2)
· Oil Resistance: SAE J30R9
· UV Resistance: ASTM G154
Approvals & Certifications
· SAE J1939/11 — Heavy-Duty Vehicle Network
· ISO 6722 — Road vehicle 24V d.c. system
· RoHS 2.0 / REACH Compliant
· ISO 9001 Manufacturing Certification
Applications
Ideal Applications for SAE J1939/11 Cable
Full datasheet overview for SAE J1939/11 CAN bus cables.
Heavy-Duty Trucks
Volvo, Scania, MAN
• Transmission controllers
• Engine control modules (ECM)
• ABS networks
Recommended
CAN-Bus 125 (standard) / 150 (engine bay)
Agricultural Equipment
John Deere, CLAAS, Case IH
• Engine monitoring & telematics
• GPS precision farming
Recommended
CAN-Bus 150 (high engine bay temps)
Construction & Mining
Caterpillar, Komatsu, Volvo CE
• Hydraulic monitoring
• Machine diagnostics
Recommended
CAN-Bus 150 (extreme temps)
Industrial Equipment
Generators & Power Systems
• Generator control systems
• Power distribution
• Building automation
Recommended
CAN-Bus 125 (standard conditions)
Why Choose Casmo Cable for SAE J1939/11?
Trusted by OEM manufacturers worldwide.
Specialized Manufacturing
Direct factory production—we manufacture J1939/11 cables in-house, not reselling. 100% impedance, insulation resistance, and continuity testing per SAE J1939-11. 15+ years in CAN bus cable engineering.
Global Compliance
Certifications: SAE J1939/11, ISO 9001, RoHS 2.0, REACH. Standards: ISO 6722 heavy-duty vehicle compliance. Third-party validated. Consistent quality at any volume.
Engineering Support
Complete datasheets, impedance curves, temperature profiles. OEM-specific custom configurations. Standard 3-4 week delivery. Direct access to our engineering team.
- Factory-Direct Manufacturing
- 100% Tested Compliance
- Global OEM Supply
- ISO 9001 Quality
- RoHS 2.0 & REACH
Available Products & Pricing
Trusted by OEM manufacturers worldwide.
CASPLAST CAN-Bus 125 J1939/11
- Specification: Shielded Twisted Pair, 250 Kbps
- Temperature: −55°C to +125°C
- Insulation: CASFOAM® Cross-Linked
- Impedance: 120Ω ±10%
CASPLAST CAN-Bus 150 J1939/11
- Specification: Shielded Twisted Pair, 250 Kbps
- Temperature: −55°C to +150°C
- Insulation: CASFOAM® Cross-Linked
- Impedance: 120Ω ±10%
MOQ
305 meters
Lead Time
3-4 weeks
Lengths
Customizable
Packaging
Standard reels
Competitive Edge
Casmo Cable vs Industry Alternatives
Feature | Casmo Cable | Generic J1939 | Non-Certified |
|---|---|---|---|
SAE J1939/11 Certified | ✓ Full Certified | Claimed | X |
CASFOAM® Insulation | ✓ Yes | Standard PE | Standard PE |
Max Temperature | +150°C | +125°C | +80°C |
Third-Party Tested | ✓ Yes | Limited | X |
Engineering Support | Direct Access | Generic | Limited |
Lead Time | 3-4 weeks | 4-6 weeks | 2-3 weeks |
Price Point | Premium | Mid-Range | Budget |
Frequently Asked Questions
J1939/11 is for shielded twisted pair at 250 Kbps (engine/transmission networks). J1939/15 is for unshielded twisted pair, used in lower-noise environments. J1939/11 is standard for heavy-duty vehicles where EMI rejection is critical.
Yes. SAE J1939/11 is the standard for any CAN bus physical layer requiring 250 Kbps shielded communication: agricultural equipment, construction machinery, industrial control systems, and marine applications.
Choose −55°C to +125°C for standard under-body routing. Choose −55°C to +150°C if exposed to engine bay, hydraulic systems, or high-heat environments.
Yes. Our SAE J1939/11 cables are 100% compliant with the standard and tested for interoperability with OEM and aftermarket J1939 components.
SAE J1939/11, ISO 9001, RoHS 2.0, REACH, and ISO 6722 compliance. Full test reports and certifications included with each order.
Standard lead time is 3-4 weeks from order confirmation and receipt of manufacturing specifications. Expedited options available upon request.
CASFOAM® is an irradiation cross-linked polyethylene offering: temperature stability across −55°C to +150°C, oil and chemical resistance (SAE J30R9), 1M+ flex cycles, and consistent impedance under thermal stress.
