Hart-Parr 28-50
Traduction française indisponible ; contenu anglais affiché.
Années de production: 1927–1930
Sources et preuves par champ
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Engineering & Capability Benchmark
Specific output, tractive ratio, and segment percentile
Caractéristiques du moteur et de la puissance
- Modèle du moteur
- Hart-Parr
- Carburant
- Gasoline
- Puissance nominale
- 55 hp
- Rated PTO Power
- N/A (Hart-Parr specification)
- Drawbar Power @ Rated Engine Speed
- 46.03 hp (Nebraska OECD Test 2218)
- Cylindres
- 4
- Cylindrée
- 11.1 L (675.1 ci)
- Alésage / course
- 5.75x6.50 inches 146 x 165 mm
- Régime nominal
- 850 RPM
- Capacité d’huile moteur
- N/A
- Capacité de liquide de refroidissement
- N/A
Maintenance picks for the 28-50
Filters, oil and common wear parts for this model.
Caractéristiques de transmission et de châssis
- Type de transmission
- Gear (2F/1R)
- Rapports (avant / arrière)
- 2 avant / 1 arrière
- Système d’entraînement
- 2WD
- Empattement
- N/A
- Pneu avant
- 28x7
- Pneu arrière
- 51x14
- Débit hydraulique
- N/A
- Attelage arrière
- N/A
Implement Draft & Ballast Matcher
Simulate draft resistance, drawbar power transfer, and optimal axle weight distribution for Hart-Parr 28-50.
Engine demand (83.4 HP) exceeds rated power (55 HP). Reduce working speed by 1.0-1.5 mph or reduce working width.
Tractor exceeds target ballast by 1406 kg. Consider removing wheel weights to reduce soil compaction.
Plages de numéros de série archivées (Référence catalogue)
| Année de production | N° de série initial | N° de série final | Usine d’assemblage |
|---|---|---|---|
| 1927 | #70,501 | #70,741 | Usine non précisée |
| 1928 | #70,742 | #70,967 | Usine non précisée |
| 1929 | #70,968 | #71,401 | Usine non précisée |
| 1930 | #71,402 | Fin de série | Usine non précisée |
Instant Used Market Valuation Projector
Algorithmic resale estimate for Hart-Parr 28-50 (1927)
Direct Segment Rivals & Showdowns
Head-to-head match-ups calibrated by horsepower and era
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Comparer des machines similaires
Hart-Parr
USA • 21 Models
Hart-Parr is a historical brand in the agricultural machinery and lawn equipment sector, renowned for its pioneering contributions to the development of tractors. Founded in the United States in 1901, Hart-Parr is recognized as one of the earliest manufacturers of gasoline-powered tractors, playing a crucial role in the mechanization of agriculture. The brand is celebrated for its innovation in tractor design and engineering, which significantly advanced farming efficiency and productivity during the early 20th century. Hart-Parr tractors were known for their reliability and durability, making them a popular choice among farmers. Over time, the company underwent various changes, including mergers and acquisitions, which eventually led to its integration into larger entities. Despite these transformations, Hart-Parr's legacy endures in the agricultural machinery industry, symbolizing the early advancements in tractor technology that paved the way for modern farming equipment.
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