Sources and field evidence
Catalog Archive: Baseline specifications compiled from historical manufacturer archives and equipment registries. Laboratory test report verification in progress.
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Engineering & Capability Benchmark
Specific output, tractive ratio, and segment percentile
Engine and power specifications
- Engine model
- John Deere DPS 4045
- Fuel type
- Diesel
- Rated horsepower
- 98.7 hp
- Rated PTO Power
- N/A (Claas specification)
- Cylinders
- 4
- Displacement
- 4.5 L (276.1 ci)
- Bore / stroke
- 4.19x5.00 inches 106 x 127 mm
- Rated RPM
- 2200 RPM
- Crankcase oil capacity
- N/A
- Coolant capacity
- N/A
Maintenance picks for the Ares 557
Filters, oil and common wear parts for this model.
Transmission and chassis specifications
- Transmission type
- Power shuttle (24-speed)
- Gears (forward / reverse)
- 24 forward
- Drive system
- 4WD
- Wheelbase
- 100.9 in
- Front tire
- 14.9R28
- Rear tire
- 18.4R38
- Hydraulic flow
- N/A
- Rear hitch
- N/A
Implement Draft & Ballast Matcher
Simulate draft resistance, drawbar power transfer, and optimal axle weight distribution for Claas Ares 557.
Engine demand (99.9 HP) exceeds rated power (98.7 HP). Reduce working speed by 1.0-1.5 mph or reduce working width.
Instant Used Market Valuation Projector
Algorithmic resale estimate for Claas Ares 557 (2005)
Direct Segment Rivals & Showdowns
Head-to-head match-ups calibrated by horsepower and era
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Claas
Germany • 109 Models
CLAAS is a prominent German agricultural machinery manufacturer with a rich history and global presence. Founded in 1913 by August Claas in Harsewinkel, North Rhine Westphalia, the company has grown to become a leading force in the agricultural equipment industry. As a family-owned business, CLAAS has maintained its commitment to innovation and quality, establishing itself as the European market leader in combine harvesters and the world market leader in self-propelled forage harvesters. The company's product portfolio is diverse, encompassing a wide range of agricultural machinery including tractors, balers, mowers, rakes, tedders, silage trailers, wheel loaders, telehandlers, and advanced farming information technology. CLAAS is renowned for its focus on harvesting technology, which remains a core strength of the brand. The company employs approximately 11,650 people worldwide and reported a turnover of around 4.9 billion euros in the 2025 financial year, with over three-quarters of its sales originating from international markets. This global reach and technological leadership have solidified CLAAS's reputation as a key player in the agricultural machinery sector.
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