Connector-8T-1683

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Caterpillar Grader

Connector-8T-1683

PRODUCT DESCRIPTION:

8T-1683 is a heavy duty hydraulic / fluid connector fitting designed for Caterpillar 12, 120 and 140 series motor graders. It provides secure, leak free connection between hydraulic lines, hoses, and components, ensuring stable performance in heavy duty working conditions.

Functions

1. Secure ConnectionConnects hydraulic hoses, tubes, and components reliably.

2. Leak PreventionEnsures tight sealing to avoid fluid leakage and pressure loss.

3. Pressure TransmissionTransmits hydraulic pressure efficiently for stable system operation.

4. Component ProtectionMaintains integrity of hydraulic and fluid systems to protect key components.

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Product Details
Specification
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PRODUCT DETAILS

Key Advantages

1. OEM Standard DimensionsManufactured to original equipment specs for perfect fit and direct replacement.

2. High Strength MaterialMade of durable alloy steel with excellent pressure and corrosion resistance.

3. Superior Sealing PerformancePrecision machined sealing surfaces ensure long term leak free operation.

4. Heavy DurabilityResists vibration, deformation, and rust in harsh working environments.

5. Easy InstallationStandard design for fast, simple installation and maintenance.

Typical Specifications

· Material: High strength alloy steel

· Surface: Anti corrosion treatment

· Performance: High pressure resistant, leak proof, wear resistant

· Application: Hydraulic systems, fluid lines, pipe connections

SPECIFICATION

Parameter	Value
Part Number	8T-1683 (8T1683)
Product Type	Hydraulic/fluid line fitting (tapered thread type, rigid hose-pipe coupling; straight/elbow design per Cat original layout)
Primary Application	Caterpillar 12 Series, 120 Series, 140 Series Motor Graders (all core/derivative models with standard fluid systems)
Core Material	Cat-specified premium carbon steel (main application) / 304 stainless steel (corrosive medium scenario)
Surface Treatment	Zinc plating (white/blue) / black oxide coating + anti-rust oil impregnation (double anti-corrosion protection)
Sealing Structure	Tapered thread sealing + integrated HNBR/NBR O-ring/gasket (double sealing; Shore A 70-80 for sealing material)
Working Pressure Rating	Up to 40 MPa (5800 PSI) – compatible with high-pressure hydraulic/brake systems of 12/120/140 graders
Operating Temperature Range	-40°C to +150°C (-40°F to +302°F) – maintains performance in extreme cold/hot construction site environments
Thread Specification	Cat original precision metric/imperial tapered thread (exact size consult Caterpillar Official Parts Catalog, matched to grader line specs)
Internal Flow Channel	Polished smooth channel (Ra ≤ 1.6μm) – minimizes fluid pressure loss and turbulence
Compatible Fluid Media	Hydraulic oil (mineral oil-based), brake fluid, diesel fuel, engine coolant, lubricating oil (all fluid media of 12/120/140 grader systems)
Installation Tool	Standard industrial hand tools (8-16 mm open-end wrench/ socket set; torque wrench for precise tightening)
Net Weight	Approx. 0.02–0.15 kg (0.044–0.33 lbs) per unit (varies by straight/elbow structural design for different installation positions)
Recommended Tightening Torque	20–35 Nm (varies by thread size; follow Cat official torque specifications for exact values)

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Connector-8T-1683

Key Advantages

Typical Specifications

STAY UPDATED ON PREMIUM CONSTRUCTION MACHINERY PARTS

STAY UPDATED ON PREMIUM CONSTRUCTION
MACHINERY PARTS