---
title: "Towing Hitch"
industry: "Motor Vehicle Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:TOWING_HITCH"
  data_integrity_hash: "b564b6bdc6505c1e3bbd1d2d813e4a08"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:TOWING_HITCH"
  data_source_uri: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/towing-hitch.md"
  official_resource_url: "https://cnfx.com/industry/motor-vehicle-manufacturing/product/towing-hitch"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-50 kN tensile load, 0-15 kN shear load, -40°C to 80°C temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 55
    unit: "kN"
    consequence: "Plastic deformation due to von Mises stress exceeding 355 MPa yield strength (SAE 1020 steel), fatigue crack propagation from stress concentration at pin holes"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Corrosion-induced material thinning from road salt exposure"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Hot-dip galvanizing to 85 μm zinc coating thickness, ASTM A123 compliance"
  - node_2:
      trigger: "Misalignment-induced bending moment from 5° angular deviation during coupling"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Self-aligning spherical bearing with ±8° angular compensation, ISO 1101 geometric tolerancing"
bom_nodes:
  hitch-ball:
    type: "component"
    urn: "URN:CNFX:ME:HITCH_BALL"
    interface_type: "physical-logic-coupled"
  mounting-bracket:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_BRACKET"
    interface_type: "physical-logic-coupled"
  locking-pin:
    type: "component"
    urn: "URN:CNFX:ME:LOCKING_PIN"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 3853:1994 - ROAD VEHICLES - TOWING VEHICLES - MECHANICAL COUPLING DEVICES FOR TOWING TRAILERS - INTERCHANGEABILITY"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/towing-hitch.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "1a191f19c863d2557864fa5736f3452956767da029c182e6e963cddffb92cf45"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Towing Hitch

## 1. Technical Definition
A mechanical coupling device used to connect an asphalt distributor to a towing vehicle for transportation.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-50 kN tensile load, 0-15 kN shear load, -40°C to 80°C temperature**. Failure boundary: **Yield strength exceeded at 55 kN tensile load or 18 kN shear load, fatigue failure at 10^6 cycles at 30 kN alternating load**, Mechanism: **Plastic deformation due to von Mises stress exceeding 355 MPa yield strength (SAE 1020 steel), fatigue crack propagation from stress concentration at pin holes**.

### 2.1 Analytical Physics Model
Governed by the **Frame Structural Deflection Analysis**:

> **Primary Equation**: $\delta = \frac{5 q L^4}{384 E I}$  
> **Engineering Impact**: Ensures structural stability for multi-stage machines.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| q | Uniform Load | Engineering Constant |
| E | Elastic Modulus | Engineering Constant |
| I | Moment of Inertia | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Corrosion-induced material thinning from road salt exposure | 8 | Reduced cross-sectional area leading to tensile failure at 40 kN load | Hot-dip galvanizing to 85 μm zinc coating thickness, ASTM A123 compliance |
| Misalignment-induced bending moment from 5° angular deviation during coupling | 8 | Premature fatigue failure at 2×10^5 cycles due to 150 MPa bending stress | Self-aligning spherical bearing with ±8° angular compensation, ISO 1101 geometric tolerancing |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Hydraulic Power Unit**, **Welding Positioner**, **Coordinate Measuring Machine**  
**Downstream Applications**: Asphalt Distributor Assembly, Road Maintenance Vehicle, Construction Equipment Trailer  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What materials are used in this towing hitch for asphalt distributors?
**A**: This towing hitch is constructed from high-strength steel, ensuring durability and reliability for heavy-duty industrial applications in asphalt equipment transportation.

### Q: What components are included in the towing hitch assembly?
**A**: The towing hitch includes three main components: a hitch ball for connection, a locking pin for secure attachment, and a mounting bracket for stable installation to the towing vehicle.

### Q: How does this towing hitch benefit motor vehicle manufacturing applications?
**A**: This specialized towing hitch provides a secure mechanical coupling solution designed specifically for connecting asphalt distributors to towing vehicles, enhancing transportation efficiency and safety in industrial settings.

## 6. Manufacturing Compliance
- ISO 3853:1994 - ROAD VEHICLES - TOWING VEHICLES - MECHANICAL COUPLING DEVICES FOR TOWING TRAILERS - INTERCHANGEABILITY

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Towing Hitch](https://cnfx.com/industry/motor-vehicle-manufacturing/product/towing-hitch)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: TOWING_HITCH | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 682dda30
