D8K vs D8R vs D8T: Which Cat dozer fits your job best?

When it comes to bulldozers, few names command as much respect as Caterpillar’s D8 series. For decades, these machines have powered earthmoving, mining, and construction projects across the globe.

This article compares the Cat D8K, Cat D8R, and Cat D8T dozers, highlighting their specifications, performance, and suitability for different job types.

The Legacy of the Caterpillar D8 Series

The Caterpillar D8 line has earned its reputation for:

• Durability: Designed to withstand harsh terrains and tough workloads.

• Versatility: Compatible with multiple blades and ripper setups.

• Proven reliability: Many D8K units from the 1970s are still running strong.

• High resale value: Caterpillar’s rebuildable design keeps older models in demand.

Each generation reflects Caterpillar’s continuous innovation in power, efficiency, and operator comfort.

1- Cat D8K

The Cat D8K is one of the most iconic bulldozers ever produced. Manufactured between 1974 and 1982, it remains a favorite for rugged, low-maintenance operations.

Cat D8K Specs

• Engine Model: Cat D342

• Net Power: ~300 hp (224 kW)

• Operating Weight: 36,000 kg

• Blade Capacity: 8.7–11.7 m³

• Transmission: Direct Drive

• Emission Tier: Pre-Tier (no emission electronics)

• Technology: Fully mechanical

• Ripper Compatibility: Single/Multiple shank

Advantages

• Simple and easy to repair.

• Affordable rebuild and maintenance costs.

• Ideal for regions with limited access to diagnostic tools.

Limitations

• Higher fuel consumption.

• No advanced cab features.

• Not emission compliant.

Cat D8K Price

The Cat D8K price varies based on age, rebuild status, and included attachments. As one of Caterpillar’s classic dozers, most available D8K for sale units have been rebuilt multiple times, maintaining strong performance and resale value.

• Typical used Cat D8K price range: $45,000–$95,000 USD

• Fully rebuilt units with certified inspections: Up to $120,000 USD

• Older, unrestored units for export or parts: Around $35,000–$50,000 USD

Looking for Cat D8K for sale? Check out Makana list of CAT dozers

2- Cat D8R 

Overview

The Cat D8R (1996–2008) modernized the D8 line by introducing electronic transmission and improved hydraulics, bridging the gap between traditional toughness and modern efficiency.

Cat D8R Specs

• Engine Model: Cat 3406C

• Net Power: ~305 hp (227 kW)

• Operating Weight: 38,000 kg

• Blade Capacity: 10.3–13.4 m³

• Transmission: Power shift (3F/3R)

• Emission Tier: Tier 2

• Technology: Semi-electronic controls

Advantages

• Smooth power shift transmission.

• Better visibility and cab comfort.

• Improved blade precision and drawbar pull.

Limitations

• Slightly higher maintenance than D8K.

• Lacks full automation or GPS grade control.

Cat D8R Price

Cat D8R Price

AED 875,000 (approx. $238,000 USD)

This pricing reflects low-hour, excellent-condition D8R dozers from later production years, offering a balance between Caterpillar’s mechanical toughness and modern comfort, without the need for refurbishment.

Why Choose Makana’s D8R:

• Fully serviced and field-ready units

• Certified inspections and maintenance records

• Strong performance with proven reliability

Looking for a Cat D8R for sale? Browse verified, work-ready units on Makana.com

3- Cat D8T

The Cat D8T (2008–Present) represents Caterpillar’s modern generation of dozers, combining fuel efficiency, automation, and advanced technology for high-precision operations.

Cat D8T Specs

• Engine Model: Cat C15 ACERT

• Net Power: ~354 hp (264 kW)

• Operating Weight: 39,500–40,000 kg

• Blade Capacity: 10.3–13.4 m³

• Transmission: Fully automatic (3F/3R)

• Emission Tier: Tier 4 Final

• Technology: Fully electronic, Grade Control Ready

Advantages

• Automatic transmission adapts to load.

• Grade Control 3D improves accuracy.

• Better fuel economy and emission compliance.

• Enhanced operator safety and comfort.

Limitations

• Higher initial purchase price.

• Requires advanced diagnostic tools for maintenance.

Cat D8T Price

AED 1,375,000 – AED 1,510,000 (approx. $375,000 – $415,000 USD)

These prices reflect 2021 models with low operating hours and full inspection certification, offering cutting-edge performance and reliability without compromise.

Why Choose Makana’s D8T:

• Latest models with advanced Grade Control-ready systems

• Fuel-efficient and Tier 4 Final compliant

• Professionally maintained, no refurbishment required

Looking for a CAT D8T bulldozer for sale? Browse CAT dozers on Makana.com, each unit verified, photographed, and ready for your next project.

D8K vs D8R vs D8T

While the D8T has higher upfront costs, its efficiency and reduced downtime make it the best choice for high-production environments.

Choosing the Right Cat D8 Dozer

Explore current listings for Cat dozers for sale on makana.com, where every unit is inspected, photographed, and certified for buyer confidence.