Sources and field evidence
Catalog Archive: Baseline specifications compiled from historical manufacturer archives and equipment registries. Laboratory test report verification in progress.
RD8Ask TractorDex AI Copilot About RD8
Instant technical consultation powered by heavy machinery knowledge
Engineering & Capability Benchmark
Specific output, tractive ratio, and segment percentile
Engine and power specifications
- Engine model
- Caterpillar D13000
- Fuel type
- Diesel
- Rated horsepower
- 114 hp
- Rated PTO Power
- N/A (Caterpillar specification)
- Drawbar Power @ Rated Engine Speed
- 103.95 hp (Nebraska OECD Test 2218)
- Cylinders
- 6
- Displacement
- 20.4 L (1246 ci)
- Bore / stroke
- 5.75x8.00 inches 146 x 203 mm
- Rated RPM
- 1000 RPM
- Crankcase oil capacity
- N/A
- Coolant capacity
- N/A
Maintenance picks for the RD8
Filters, oil and common wear parts for this model.
Transmission and chassis specifications
- Transmission type
- Gear (6F/2R)
- Gears (forward / reverse)
- 6 forward / 2 reverse
- Drive system
- Tracks (Crawler)
- Wheelbase
- N/A
- Front tire
- N/A
- Rear tire
- N/A
- Hydraulic flow
- N/A
- Rear hitch
- N/A
Implement Draft & Ballast Matcher
Simulate draft resistance, drawbar power transfer, and optimal axle weight distribution for Caterpillar RD8.
Optimal engine load (96%). Tractive efficiency is peaked within standard 8% - 12% slip window.
Tractor exceeds target ballast by 10024 kg. Consider removing wheel weights to reduce soil compaction.
Catalog archival serial-number ranges
| Production year | Starting serial # | Ending serial # | Assembly plant |
|---|---|---|---|
| 1935 | #11 | #1,246 | Factory not specified |
| 1936 | #1,247 | #11,496 | Factory not specified |
| 1937 | #11,497 | End of run | Factory not specified |
Instant Used Market Valuation Projector
Algorithmic resale estimate for Caterpillar RD8 (1935)
Direct Segment Rivals & Showdowns
Head-to-head match-ups calibrated by horsepower and era
Looking for a used Caterpillar RD8?
Browse live listings and auction results near you.
Compare similar machines
Caterpillar
USA • 49 Models
Caterpillar Inc., commonly known as CAT, is a globally dominant American manufacturer of heavy machinery and industrial equipment. Founded in 1925 through the merger of Holt Manufacturing Company and C.L. Best Tractor Co., Caterpillar quickly established itself as a pioneer in tracked machinery and diesel engine technology. The company's early innovations in crawler tractors revolutionized construction and earthmoving industries, setting the stage for its future dominance. While Caterpillar's primary focus has been on construction, mining, and heavy industrial equipment, the company has also made significant contributions to agriculture. In 1987, Caterpillar re-entered the agricultural market with the introduction innovative Challenger line of rubber-tracked crawlers, which represented a major technological advancement in farm machinery. However, in 2002, Caterpillar made the strategic decision to sell its agricultural division, including the Challenger line, to AGCO, allowing it to concentrate on its core construction and mining equipment business. Today, Caterpillar is recognized as the world's leading manufacturer of construction and mining equipment, with a vast product portfolio that includes engines, industrial turbines, and heavy machinery. The company's commitment to innovation, quality, and global reach is supported by the largest dealer network in the industry, ensuring that Caterpillar equipment is available and supported worldwide. Despite its reduced presence in agriculture, Caterpillar's legacy in the farm equipment sector remains significant, particularly through the technological advancements introduced by the Challenger line.
View Full Caterpillar Lineup