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Industrial

Caterpillar RD4 Specifications

The Caterpillar RD4 is a lawn tractor with 444.2 HP power.

Engine Features

Power

444.2 HP

Production Years

Fuel

diesel

Transmission

manual

Estimated Price Range

$367,798 - $551,696

USD • Estimated market value

TractorSuitability™

Suitability analysis
65

Overall suitability score

Index calculated from technical specifications for Caterpillar RD4.

Small farm suitability
40/100
Large farm suitability
65/100
Loader work efficiency
15/100
Fuel efficiency
100/100
Maintenance ease
88/100

Higher = simpler maintenance

Versatility
71/100
Cost tier
38/100
Power-to-weight
100/100

Pros

  • Efficient consumption relative to power-to-weight and engine type.
  • Simple maintenance; mechanical transmission with lower repair costs.
  • High versatility: PTO and hydraulic options for multiple implements.
  • Strong power-to-weight ratio for drawbar work and acceleration.
  • Reliable manual transmission with low maintenance cost.

Cons

  • May be excessive in size and fuel use for very small farms.
  • Limited capacity for intensive loader work.
  • Premium price segment relative to power and specification level.
  • Basic hydraulic system; limited for demanding implements.

Performance profile

Ideal use case: mixed use with multiple PTO and hydraulic implements, operations where fuel economy is a priority, demanding loader and draft work on larger operations.

Maintenance tier: LowMechanical transmission and straightforward engine design; lower repair costs and easier DIY or general dealer servicing.

Operating cost tier: LowGood fuel efficiency, strong value tier, and low maintenance complexity keep operating costs down.

Expert summary

Caterpillar RD4 receives an overall suitability score of 65/100 from the TractorSuitability™ Engine. mixed use with multiple PTO and hydraulic implements, operations where fuel economy is a priority, demanding loader and draft work on larger operations. The suitability sub-scores allow an objective comparison of performance across farm sizes and use types. Loader work rates 15/100; fuel efficiency index is 100/100. Maintenance is classified as Low: Mechanical transmission and straightforward engine design; lower repair costs and easier DIY or general dealer servicing. Operating cost tier is Low: Good fuel efficiency, strong value tier, and low maintenance complexity keep operating costs down. Versatility (71/100) reflects PTO and hydraulic options; cost tier (38/100) reflects value for money. It has relative limitations in: small farm, loader. Overall, it offers a balanced profile for its class. The TractorSuitability™ Engine uses manufacturer technical data only to compute these indices in an objective, reproducible way. We recommend comparing these scores with your specific acreage, crop type, and implement needs before deciding.

Caterpillar RD4: Complete Tractor Specifications and Technical Data

Overview

The Caterpillar RD4 is a industrial tractor from Caterpillar designed for landscaping and property maintenance. This comprehensive tractor specifications guide provides complete technical data, engine specifications, transmission details, dimensions, and hydraulic system capabilities. This industrial tractor features a 444.2 HP diesel engine with manual transmission, delivering reliable performance. Our tractor database provides detailed specifications and technical data for the Caterpillar RD4, making it easy to compare with other models in the Caterpillar lineup or across different brands.

Engine Specifications

The Caterpillar RD4 is powered by a diesel engine that delivers 444.2 HP for property maintenance. Tractor horsepower is a critical specification that determines the machine's ability to handle various implements. The engine specifications demonstrate Caterpillar's engineering expertise in creating efficient powerplants.

  • Maximum Power: 444.2 HP (331 kW)
  • Fuel Type: Diesel
  • Cooling System: Liquid-cooled

Transmission Specifications

The Caterpillar RD4 features a manual transmission system. Transmission type affects power delivery and operational efficiency. Different transmission types offer various advantages for different operating conditions and implement requirements.

Power Take-Off (PTO)

The PTO system allows the tractor to transfer engine power to driven implements. PTO specifications, including horsepower and speed ratings, are essential when selecting implements.

  • PTO Speed: 540 rpm
  • PTO Power: 378 HP (282 kW)

Performance and Applications

The Caterpillar RD4 delivers 444.2 HP performance for landscaping and property maintenance tasks. Tractor performance metrics, including power output, hydraulic capabilities, and dimensions, determine the machine's suitability for various tasks. When evaluating tractor performance, consider your specific application requirements, operating conditions, and implement needs to ensure the Caterpillar RD4 matches your operational demands.

Technical Data Summary

This guide provides complete technical data and detailed specifications for the Caterpillar RD4. Key specifications include: 444.2 HP engine, manual transmission, 378 HP PTO. These tractor specifications enable accurate comparisons with other models. Our tractor database provides comprehensive data for thousands of models, making it easy to research specifications and compare tractors.

Conclusion

The Caterpillar RD4 is a versatile lawn tractor from Caterpillar, designed for property maintenance. With its 444.2 HP diesel engine and manual transmission, it provides efficient operation for landscaping work. This comprehensive guide offers all essential Caterpillar RD4 tractor data and specifications for informed decision-making.

Technical Specifications

Engine

Maximum Power (Gross)
444.2 HP (331 kW)
Fuel Type
Diesel
Cooling
Liquid

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