Caterpillar 994F Wheel Loader Hydraulic System Schematic Diagrams

4.5 out of 5 (2 reviews)
SKU: CAT-994F-HYD-SCHEMATIC Category: Caterpillar
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Caterpillar hydraulic system schematic, publication RENR6320, for the 994F Wheel Loader (serial prefix 442, 1-UP). Covers steering, brake, and implement hydraulic systems across two volumes.

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Compatibility
  • Manufacturer: Caterpillar
  • Model: 994F

Description

Caterpillar 994F Wheel Loader Hydraulic System Schematic Diagrams

This is the genuine Caterpillar factory hydraulic system schematic, publication RENR6320 (July 2005), for the 994F Wheel Loader, serial prefix 442, 1-UP. Issued as two volumes: Volume 1 - Steering and Brake System and Volume 2 - Implement System.

What's Covered

  • Steering system - neutralizers, quad check valves, high pressure screens, steering/reducing valves, steering cylinders
  • Brake system - service and parking brake control, brake accumulators, brake oil cooler system, brake screens
  • Implement hydraulic system - tandem and implement pumps, implement control valves (left and right side), lift and tilt cylinders (standard, high, and super-high lift variants)
  • Full component and pressure tap location tables for both systems
  • Hydraulic brake pump and hydraulic brake system control detail views

Steering/brake schematic part numbers 246-8025 CHG03 and 248-2712 CHG01; implement schematic part number 246-8028 CHG03. Delivered as an instant digital PDF download.

Specifications

ManufacturerCaterpillar
Model994F Wheel Loader
Serial Prefix442, 1-UP
Publication NumberRENR6320
Document Set2 volumes: Steering/Brake and Implement System
FormatPDF, 24 page large-format schematic

Customer Reviews

4.5
Based on 2 reviews
Christopher Miller Sep 19, 2026

Useful Service Reference

A helpful reference for understanding hydraulic circuits and supporting routine service work. The diagrams are easy to follow.

Daniel Wilson Sep 16, 2026

Clear Hydraulic Diagrams

The diagrams are well organized and made it easy to locate the hydraulic system information I needed for the 994F loader.

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