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Cat

Cat 320B 320 B HYDRAULIC Wiring SCHEMATICS

Cat 320B 320 B HYDRAULIC Wiring SCHEMATICS

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Machine data plateRef 475535
Brand
Cat
Equipment
Construction
Models covered
Cat 320 B
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you โ€” re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your serial range? Ask us before you buy
๐Ÿท๏ธ Basic Information
Identification
Make:
Caterpillar
Model:
320B
Variant:
320B L
Production Years:
1994-2002 (320B series)
๐Ÿ‘‹ Introduction
Market Position
Target Audience:
Hydraulic excavator owners, operators, and technicians
Market Segment:
Medium-sized hydraulic excavator for construction, general contracting, and heavy civil works
Advantages
Advantage:
High digging capability with advanced hydraulics, durable undercarriage, and reliability for diverse applications
Key Features
Feature:
Electronic control system with diagnostics
Feature:
Hydraulic system with main relief valve adjustment
Feature:
Service-friendly layout with centralized filters
๐Ÿ“‹ Manual Details
Manual Overview
Coverage:
Complete wiring schematics for Cat 320B hydraulic excavator
Page Count:
Approximately 800 pages
Manual Type:
Electrical & Hydraulic Schematic Manual
Language:
English
Format:
PDF (digital download)
Delivery Method:
Instant download after purchase
Published Information
Publication Number:
SENR9092 (example, if known)
Compatibility:
For serial numbers prefix 3YZ, 4YM, etc. (refer to manual)
๐Ÿ“– Manual Coverage
Systems Covered
Coverage Area:
Electrical system: wiring harness, connectors, grounds, power distribution
Coverage Area:
Engine control system
Coverage Area:
Hydraulic system schematics
Coverage Area:
Implement control circuits
Coverage Area:
Travel and swing circuits
Coverage Area:
Monitoring system and gauges
Coverage Area:
Cab electrical and climate controls
Coverage Area:
Lighting system
Coverage Area:
Starting and charging system
Coverage Area:
Operator presence monitoring
Procedures Included
Procedure:
Component location and connector pinout
Procedure:
Wiring diagram and harness routing
Procedure:
Electrical troubleshooting and testing
Procedure:
Hydraulic system flow diagrams
Procedure:
Pressure setting and adjustment
Procedure:
Removal and installation of electrical components
Technical Depth
Technical Detail:
Highly detailed schematics with color-coded wires
Technical Detail:
Includes connector and splice details
Technical Detail:
Suitable for advanced diagnostics
Parts Information
Parts Reference:
Reference to Caterpillar part numbers for electrical components
Parts Note:
Not a full parts manual but includes component numbers
๐Ÿ“Š Manual Specifications
File Format
File Type:
PDF
Compatibility:
Adobe Reader, all PDF viewers
Requirements:
Computer, tablet, or smartphone with PDF reader
Searchability:
Text searchable for quick reference
Print Quality
Print Resolution:
300 DPI
Printable:
High-quality printout for workshop use
Binding and Paper
Binding Type:
Digital (not applicable)
Paper Type:
N/A - digital PDF
โš™๏ธ Engine Specifications
Engine Options
Standard Engine:
Caterpillar 3066 turbocharged diesel
Performance
Gross Power:
114 kW (153 hp) at 1800 rpm
Displacement:
6.0 L
Fuel System
Fuel Type:
Diesel
Injection:
Direct injection
๐Ÿ”ง Transmission
Standard Transmission
Type:
Hydraulic drive system (not traditional transmission)
Travel Drive:
Two-speed travel motors
Features
Feature:
Swing drive with planetary gear
Feature:
Travel alarms and oscillation lock
๐Ÿ“ Dimensions
Exterior Dimensions
Wheelbase:
N/A - tracked excavator
Length (with standard boom):
Approximately 9.7 m (31.8 ft)
Width:
Approximately 3.1 m (10.2 ft)
Weights
Operating Weight:
About 19,800 kg (43,700 lb)
Shipping Weight:
Varies with configuration
๐Ÿ›ก๏ธ Safety Features
Ratings and Regulations
Crash Test Rating:
N/A - off-highway vehicle
Active Safety Features
Active Safety:
Backup alarm
Active Safety:
Emergency stop switches
Active Safety:
Hydraulic lockout lever
Passive Safety Features
Passive Safety:
ROPS/FOPS certified cab
Passive Safety:
Seat belt
๐Ÿ’ก Technology Features
Infotainment
Audio System:
N/A - typical excavator has no audio system
Driver Assistance
Monitoring:
Electronic monitoring system with fault codes
Telematics:
Optional Product Link system
๐Ÿ”ง Maintenance
Service Intervals
Engine Oil Change:
Every 250 hours
Hydraulic Oil Change:
Every 2000 hours
Grease Points:
Daily
Fluid Specifications
Engine Oil:
CD or higher (Caterpillar DEO)
Hydraulic Fluid:
Hydraulic oil (ISO VG 46)
Common Wear Items
Wear Item:
Track chains and shoes
Wear Item:
Bucket teeth and cutting edges
Known Issue:
Wiring harness chafing and connector corrosion
๐Ÿ“š Vehicle History
Brand Heritage
Manufacturer:
Caterpillar Inc.
Model Evolution
Predecessor:
Cat 320 (1994)
Successor:
Cat 320C (2002)
Production Location
Factory:
Produced globally in multiple Caterpillar plants
๐Ÿ† Awards & Recognition
Recognitions
Industry Recognition:
No specific awards found for the model
Reputation:
Known for reliability and strong resale value

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the serial range before you buy

Manufacturers change procedures and part numbers by serial-number break. If your data plate shows a serial prefix that is not listed above, contact us with the model and serial number and we will confirm coverage before you order.

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  • Instant download PDF link on your order page and by email right after payment.
  • Secure checkout Encrypted Shopify checkout โ€” we never see your card.
  • Print-ready PDF Searchable text, print the pages you need for the workshop.
  • Phone, tablet, PC Open it in the cab, the workshop or the office.