Sources and field evidence
Catalog Archive: Baseline specifications compiled from historical manufacturer archives and equipment registries. Laboratory test report verification in progress.
Ask TractorDex AI Copilot About 100-90
Instant technical consultation powered by heavy machinery knowledge
Engineering & Capability Benchmark
Specific output, tractive ratio, and segment percentile
Engine and power specifications
- Engine model
- Fiat
- Fuel type
- Diesel
- Rated horsepower
- 100 hp
- Rated PTO Power
- 91.52 hp (Fiat-Hesston specification)
- Drawbar Power @ Rated Engine Speed
- 77.98 hp (Nebraska OECD Test 2218)
- Cylinders
- 6
- Displacement
- 5.4 L (331 ci)
- Bore / stroke
- 3.937x4.527 inches 100 x 115 mm
- Rated RPM
- 2500 RPM
- Crankcase oil capacity
- N/A
- Coolant capacity
- N/A
Maintenance picks for the 100-90
Filters, oil and common wear parts for this model.
Transmission and chassis specifications
- Transmission type
- N/A
- Gears (forward / reverse)
- 20 forward / 4 reverse
- Drive system
- 4WD
- Wheelbase
- 101.3 in
- Front tire
- 10.00-16
- Rear tire
- 18.4-34
- Hydraulic flow
- N/A
- Rear hitch
- II
Implement Draft & Ballast Matcher
Simulate draft resistance, drawbar power transfer, and optimal axle weight distribution for Fiat-Hesston 100-90.
Engine demand (99.9 HP) exceeds rated power (100 HP). Reduce working speed by 1.0-1.5 mph or reduce working width.
Instant Used Market Valuation Projector
Algorithmic resale estimate for Fiat-Hesston 100-90 (1990)
Direct Segment Rivals & Showdowns
Head-to-head match-ups calibrated by horsepower and era
Looking for a used Fiat-Hesston 100-90?
Browse live listings and auction results near you.
Compare similar machines
Fiat-Hesston
USA • 41 Models
Fiat-Hesston represents a unique chapter in agricultural machinery history, blending the legacy of Italian automotive giant Fiat with the American agricultural equipment manufacturer Hesston. Founded in 1947, Hesston initially gained prominence as a leading producer of hay and forage equipment in the United States. The brand's acquisition by Fiat in 1977 marked a significant turning point, as Fiat sought to expand its presence in the American agricultural market. Fiat leveraged Hesston's established distribution network to introduce its tractors to the US market in 1980, using the Hesston brand name for these new offerings. This strategic move allowed Fiat to navigate the complexities of the American market while capitalizing on Hesston's reputation for quality agricultural machinery. The collaboration between Fiat and Hesston resulted in a range of innovative tractors and hay equipment that combined Italian engineering with American manufacturing expertise. However, in 1991, Fiat sold Hesston to AGCO, a major player in the agricultural machinery sector. This transition saw Hesston's product lines integrated into AGCO's broader portfolio, while Fiat refocused its efforts on its core automotive business. Despite the separation, the Fiat-Hesston collaboration remains a notable example of cross-border industrial synergy in the agricultural sector.
View Full Fiat-Hesston Lineup