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Photo Not AvailableRock Island F 18-35
Lawn

Photo by Harris, A. S, Public domain, via Wikimedia Commons

Rock

Rock Island F 18-35 Specs, Price and Review (2026)

Lawn · 18 HP · Best for small farms and versatility

Power

18 HP (13 kW)

Fuel

Diesel

Transmission

Manual

PTO

15 HP @ 540 rpm

New price (est.)

$3,110 – $4,666

Est. used price

$933 – $3,033

Overview

As a lawn and garden tractor with 18 HP of power, the Rock Island F 18-35 is built for mowing, property maintenance, and light attachments. As a Rock tractor, the Island F 18-35 continues the brand's reputation for reliability and field performance. Below are the full Island F 18-35 specs: engine specifications, transmission details, PTO ratings, hydraulic system data, and dimensions — everything you need for a buying decision. The Island F 18-35 review data on this page is generated from specifications, helping you understand how it compares to similar tractors in its class. We include Island F 18-35 price estimates — both new and used — to help you understand the cost of ownership and compare it against alternatives. Use the comparison tool below to set the Rock Island F 18-35 against similar models, or browse the alternatives section for other tractors in this HP range.

TractorFitâ„¢ Analysis

53

Overall score

Based on specs and use-case fit for Rock Island F 18-35.

This model sits in the low-horsepower segment ideal for mowing, landscaping, and small-acreage tasks. Manual transmission is a proven choice for operators who prefer direct gear selection. As a lawn and garden tractor, it targets mowing, light loader work, and property upkeep. Rear PTO capability allows use of mowers, tillers, and other PTO-driven equipment. Key specs include 18 HP, 15 HP PTO, estimated used range $933–$3,033, and overall suitability 53/100.

Small farm suitability
72/100
Large farm suitability
15/100
Loader work efficiency
15/100
Fuel efficiency
60/100
Maintenance ease
88/100

Higher = simpler

Versatility
71/100
Cost tier
99/100
Power-to-weight
0/100

Pros

  • ✓Simple maintenance; mechanical transmission with lower repair costs.
  • ✓High versatility: PTO and hydraulic options for multiple implements.
  • ✓Strong value for money relative to power and features.
  • ✓Adequate power for light duties and use in tight spaces.
  • ✓Reliable manual transmission with low maintenance cost.

Cons

  • •Limited power for large-scale work or heavy equipment.
  • •Limited capacity for intensive loader work.
  • •Modest power-to-weight ratio; less agility in traction and on slopes.
  • •Basic hydraulic system; limited for demanding implements.

Rock Island F 18-35 receives an overall suitability score of 53/100 from the TractorSuitability™ Engine. Ideal for small to mid-size farms (roughly 5–40 ha), light fieldwork, mowing, and properties where maneuverability matters, mixed use with multiple PTO and hydraulic implements. The suitability sub-scores allow an objective comparison of performance across farm sizes and use types. With 18 HP and weight, it fits small and mid-size farms where maneuverability and running costs matter. Loader work rates 15/100; fuel efficiency index is 60/100. 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 (99/100) reflects value for money. It stands out in: value. It has relative limitations in: large farm, loader. Overall, it offers a specialized 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.

Real-world performance & ownership

Highlights

  • Compact engine output suits mowing and light loader use.
  • Manual transmission keeps design simple and ownership costs lower.
  • Rated PTO output of 15 HP supports mowers, hay tools, and other driven implements.
  • Versatility index supports a wide range of tasks and attachments.
  • Estimated used price range: $933–$3,033 USD.
  • Lawn and garden focus favors mowing and property maintenance.

Trade-offs

  • Published weight is missing; confirm actual weight for transport, stability, and tire ballasting decisions.
  • Suitability scoring suggests above-average maintenance demands; consider repair history and local support.
  • Loader suitability scores modestly; check front axle capacity and loader compatibility for heavy material work.

Best for

  • Residential mowing
  • Small property upkeep
  • Light towing
  • Mixed tasks and attachment use

Not ideal for

  • Heavy, continuous loader work
  • Low-maintenance-first buyers
  • Large-acreage row-crop or heavy tillage

Rock Island F 18-35 — Pros and Cons

Pros

  • Compact engine output suits mowing and light loader use.
  • Manual transmission keeps design simple and ownership costs lower.
  • Rated PTO output of 15 HP supports mowers, hay tools, and other driven implements.
  • Versatility index supports a wide range of tasks and attachments.
  • Estimated used price range: $933–$3,033 USD.
  • Lawn and garden focus favors mowing and property maintenance.

Cons

  • Published weight is missing; confirm actual weight for transport, stability, and tire ballasting decisions.
  • Suitability scoring suggests above-average maintenance demands; consider repair history and local support.
  • Loader suitability scores modestly; check front axle capacity and loader compatibility for heavy material work.

Used market insights

Estimated used price

$933 – $3,033 USD

High confidence

Estimate only. Actual prices vary by condition, hours, and region.

Buyer checklist

  • Verify mower deck or attachment compatibility and condition.
  • Check for oil leaks and transmission operation; HST repairs are costly.
  • Confirm tire condition and that the machine fits your storage and access.

For used Rock Island F 18-35, check hours and blade deck condition. Verify PTO and transmission operation, and that attachments match.

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Technical Specifications

What this means: Engine size drives mowing capacity and run time; gasoline is common for smaller lawn tractors.

Engine

Maximum Power (Gross)
18 HP (13 kW)
Fuel Type
Diesel
Cooling
Liquid

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Frequently asked questions

  • How much does a used Rock Island F 18-35 cost?

    Used Rock Island F 18-35 tractors are often listed in the range of $933–$3,033 USD (high confidence). Actual prices depend on hours, condition, and region.

  • Does the Rock Island F 18-35 have a PTO?

    Yes. The Rock Island F 18-35 has a rear PTO rated at 15 HP at 540 rpm.

  • What is the horsepower of the Rock Island F 18-35?

    The Rock Island F 18-35 is rated at 18 HP (gross) (13 kW).

  • Is the Rock Island F 18-35 good for loader work?

    TractorFit scores rate this model as less suited for loader work (15/100). Check front axle capacity and loader compatibility for your intended use.

  • What is the Rock Island F 18-35 best used for?

    As a lawn tractor, the Rock Island F 18-35 is best for mowing, light loader work, and property maintenance.

  • What type of transmission does the Rock Island F 18-35 have?

    The Rock Island F 18-35 uses a manual transmission.

  • What should I check when buying a used Rock Island F 18-35?

    Verify hours, condition, service history, PTO operation, hydraulics, and tire wear. Confirm weight and dimensions if you need to transport or match implements.

Rock Island F 18-35: Complete Tractor Specifications and Technical Data

Overview

The Rock Island F 18-35 is a lawn tractor from Rock 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 lawn tractor features a 18 HP diesel engine with manual transmission, delivering reliable performance. Our tractor database provides detailed specifications and technical data for the Rock Island F 18-35, making it easy to compare with other models in the Rock lineup or across different brands.

Engine Specifications

The Rock Island F 18-35 is powered by a diesel engine that delivers 18 HP for property maintenance. Tractor horsepower is a critical specification that determines the machine's ability to handle various implements. The engine specifications demonstrate Rock's engineering expertise in creating efficient powerplants.

  • Maximum Power: 18 HP (13 kW)
  • Fuel Type: Diesel
  • Cooling System: Liquid-cooled

Transmission Specifications

The Rock Island F 18-35 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.

Dimensions and Weight

Understanding tractor dimensions and weight is essential for storage, transport, and operational compatibility. The Rock Island F 18-35's specifications help determine if the tractor fits your operational requirements.

  • Width: 191 mm (7.5 in)

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: 15 HP (11 kW)

Performance and Applications

The Rock Island F 18-35 delivers 18 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 Rock Island F 18-35 matches your operational demands.

Technical Data Summary

This guide provides complete technical data and detailed specifications for the Rock Island F 18-35. Key specifications include: 18 HP engine, manual transmission, 15 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 Rock Island F 18-35 is a versatile lawn tractor from Rock, designed for property maintenance. With its 18 HP diesel engine and manual transmission, it provides efficient operation for landscaping work. This comprehensive guide offers all essential Rock Island F 18-35 tractor data and specifications for informed decision-making.

Conclusion

With 18 HP, the Rock Island F 18-35 is a model worth considering carefully for operators who need Residential mowing, Small property upkeep, Light towing. Check the price range shown above and compare with similar models to ensure it fits your budget. Use our comparison tool to stack the Island F 18-35 against other tractors in the same HP range before making a final decision.

Rock Island F 18-35 Specs & Tractor Data — 18 HP | TractorsCompare | TractorsCompare