Dresser TD-8E Crawler Dozer

Description:

The Dresser TD-8E Crawler Dozer is a rugged, hydrostatic-driven mid-size dozer built for precise grading and moderate earthmoving applications. An evolution of International Harvester’s original TD-8 series, the TD-8E delivers enhanced performance, simplified operation, and dependable service life. Ideal for job sites that require agility and durability, the TD-8E is widely used in construction, forestry, and utility work.

Engine

• Model: International/Navistar D-239

• Type: 4-cylinder, naturally aspirated diesel

• Displacement: 239 cu in (3.9 L)

• Horsepower: 70 HP (net)

Transmission

• Type: Hydrostatic drive

• Steering: Dual lever or joystick steering via independent hydrostatic track control

• Speed Control: Infinitely variable forward and reverse

Hydraulic System

• Pump Flow: Approx. 17 GPM

• Relief Pressure: ~2,500 PSI

• Blade Options: PAT (6-way) or straight blade with lift/tilt controls

Dimensions & Performance

• Operating Weight: ~17,500 lbs

• Blade Width: 8 ft (standard PAT blade)

• Track Width: 16–18 inches

• Ground Clearance: ~14 inches

Maintenance Essentials

• Hydraulic and hydrostatic filters should be replaced every 250 hours

• Final drive and planetary gear oil: Change every 500 hours

• Track alignment and roller condition: Check monthly to prevent wear

• Most commonly replaced parts:

  • TD-8E Hydrostatic Drive Pumps

  • TD-8E Final Drive Seals

  • TD-8E Hydraulic Cylinder Seal Kits

  • TD-8E Undercarriage Components

Common Issues & Quick Fixes

• Hydrostatic slippage or hesitation: Caused by worn hydro pumps or contaminated fluid—rebuild kits available

• Blade cylinder leaks or drift: Fix with hydraulic cylinder seal kits

• Uneven steering response: Often due to low hydrostatic pressure—check reservoir and inspect drive pump function

Serial Number Info

• Location: On the left rear frame rail, near the operator’s platform

• Format: Typically begins with “TDE” or six-digit code based on model year

Pro Tip: Use only OEM-spec hydrostatic fluid to prevent overheating and pump cavitation. Inspect cooling fins regularly to avoid engine overheating in dusty work zones.