Mercedes-Benz O 302
| Mercedes Benz | |
|---|---|
_(2).jpg)
O 302 |
|
| O 302 | |
| Manufacturer | Daimler Benz |
| design type | High-floor solo bus |
| axes | 2 |
| engine | Diesel engines OM 327 / OM 352 / OM 360 / OM 355 |
| power | 93-176 kW |
| Previous model | O 321 |
| successor | O 303 |
The Mercedes-Benz O 302 is a bus model from Daimler-Benz AG that was presented in 1965. The O 302 is designed as a high-floor solo bus for city, intercity and long-distance travel. More than 32,000 units of the O 302 had been built by 1976. Starting in 1969, Daimler-Benz built the OE 302 , an electric bus, based on the O 302 . Some third-party manufacturers also built vehicles based on the O 302. The O 302 was manufactured under license at Biamax , and from 1976 with the rear and grill of the O 303. In 1974 an O 302 served as a team bus for the German national soccer team.
Technology and description
There are several versions of the O 302, with 10, 11, 12 or 13 rows of seats, all of them with two axles and high-floor construction. The O 302 has a semi-integral design, i.e. it has a floor frame but a self-supporting body. Depending on the version, the O 302 is between 9.6 and 11.9 m long and has a permissible total weight of 11.6 to 14.5 t. Normally high side windows or windows with additional roof edge glazing were optionally installed.
landing gear
The floor frame is a profile framework on which the two axles are suspended. Both the front and rear axles are rigid axles that are guided on links. The O 302 could optionally be supplied with coil springs on the front axle and leaf springs on the rear axle or air springs, the springs are double on the rear axle. From 1971 the air suspension was installed as standard in all vehicles. Shock absorbers are installed in the front and rear. The wheels are steel disc wheels with 9–20 ”tires fitted; the bus has double tires at the rear. It has a hydraulic dual-circuit brake system with compressed air support and drum brakes on all wheels. The ZF recirculating ball nut steering system with power assistance is used for steering, the O 302 is a left-hand drive.
Engine and power transmission
The O 302 is available with four different in-line six-cylinder naturally aspirated diesel engines, the 5.7-liter OM 352 , the 8-liter OM 327, the 8.7-liter OM 360 and the 11.6-liter OM 355. All engines have direct injection and water cooling. The power spectrum ranges from 126 hp to 240 hp (93 kW to 176 kW). The torque is transmitted via a single-disc dry clutch from Fichtel & Sachs to a five-speed gearbox from Daimler-Benz, which is manually shifted and synchronized in the forward gears. An eight-speed gearbox was also offered later. The torque is transmitted from the gearbox to the rear axle via a short drive shaft. For city and intercity traffic, there was a choice between two different gear ratios.
Technical specifications
| Parameters | O 302 10R | O 302 11R | O 302 12R | O 302 13R | ||
|---|---|---|---|---|---|---|
| Years of construction | 1965 | 1965 | 1965 [1966] | 1967 | 1969 | 1967 [1969] |
| Max. Permissible total mass | 11,600 kg | 14,050 kg | 12,000 kg - 14,520 kg | 14,500 kg | ||
| length | 9618 mm | 10,150 mm | 10,950 mm | 11,900 mm | ||
| width | 2500 mm | |||||
| height | 3026 mm (3057 mm) | 2940 mm (2965 mm) | 3049 mm (2965 mm) | (2979 mm) | ||
| wheelbase | 4685 mm | 5050 mm | 5850 mm | 6055 mm | ||
| Track width (front / rear) | 1905/1748 mm | 1950/1749 mm | 1950/1789 mm | 1994/1799 mm | ||
| Ground clearance | 195 mm | (180 mm) | (233 mm) | |||
| Rows of seats | 10 | 11 | 12 | 13 | ||
| Seats (city / city / interurban) | 32/60/57 | 35/67/62 | 35/66/67 | |||
| transmission | Daimler-Benz G32 | Daimler-Benz G60 | Daimler-Benz G70 / 4 | |||
| tires | 8.25–20 ″ super ( 9–20 ″ reinforced ) | 9–20 ″ reinforced ( 9–20 ″ super ) | 7.5-20 "HB | |||
| Engine type | OM 352 | OM 327 | OM 360 | OM 355 | ||
| Engine type | Water-cooled in-line six-cylinder diesel engine | |||||
| Mixture preparation | Direct injection | |||||
| Displacement | 5675 cc | 7980 cc | 8725 cm³ | 11,581 cc | ||
| Bore × stroke | 97 mm × 128 mm | 115 mm × 128 mm | 115 mm × 140 mm | 128 mm × 150 mm | ||
| Nominal power (DIN 70020) | 93 kW (126 hp) at 2800 min -1 | 110 kW (150 hp) at 2600 min -1 [118 kW (160 hp) at 2600 min -1 ] |
118 kW (160 hp) at 2600 min -1 | 125 kW (170 hp) at 2200 min -1 [141 kW (192 hp) at 2500 min -1 ] |
169 kW (230 hp) at 2200 min -1 [177 kW (240 hp) at 2200 min -1 ] |
|
| Max. Torque (DIN 70020) | 353 N · m (36 kgf · m) at 1600 min -1 | 461 N · m (47 kp · m) at 1500 min −1 [490 N · m (50 kp · m) at 1500 min −1 ] |
490 N · m (50 kgf · m) at 1500 min -1 | 579 N m (59 kp m) at 1500 min −1 | 794 N · m (81 kp · m) at 1300 min −1 [824 N · m (84 kp · m) at 1400 min −1 ] |
|
| Top speed | 86.1 km / h | 85.6 km / h | ||||
| Fuel consumption (DIN 70030) | 17.3 l / 100 km | |||||
| source | ||||||
- Values in brackets (): For vehicles with air suspension
- Values in square brackets []: For vehicles from year of construction x
Individual evidence
- ↑ a b c Bühler: Omnibus technology: historical vehicles and current technology . P. 88
- ↑ a b c d e Daimler: 40 years of Mercedes-Benz O 302: One for all . April 18, 2005
- ↑ Bühler: Omnibus technology: historical vehicles and current technology . P. 124
- ↑ a b c d Technical data type O302 / 10R / 11R 1965
- ↑ a b c d Technical data type O302 / 12R 1966
- ↑ a b c d Technical data type O302 / 12R 1965
- ^ A b c Gerhard: German omnibuses since 1895 . P. 160
- ↑ Automobiltechnische Zeitschrift, Volume 73, Franck, 1971. P. 324
- ↑ Technical data O 302 13 RÜh
literature
- Wolfgang Gerhard: German omnibuses since 1895 , Motorbuch-Verlag, Stuttgart 1996. ISBN 978-3613015555 . P. 160
- Association of the Automotive Industry: Daimler-Benz AG. Mannheim plant: Type O302 / 10R / 11R . Group 16, number 1160. Frankfurt am Main. June 1965
- Association of the Automotive Industry: Daimler-Benz AG. Mannheim plant: Type O302 / 12R . Group 16, number 1200a. Frankfurt am Main. June 1965
- Association of the Automotive Industry: Daimler-Benz AG. Mannheim plant: Type O302 / 12R . Group 16, number 1200. Frankfurt am Main. December 1966.
- Otto-Peter A. Bühler: Omnibus technology: historical vehicles and current technology . In Verband der Automobilindustrie (ed.). Vieweg Braunschweig / Wiesbaden, 2000. ISBN 9783528039288 . P. 88
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| 6th | 7th | 8th | 9 | 0 | 1 | 2 | 3 | 4th | 5 | 6th | 7th | 8th | 9 | 0 | 1 | 2 | 3 | 4th | |
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| W 11 (type Stuttgart 260) | W 143 (type 230 n) | ||||||||||||||||||
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| W 138 (type 260 D) | |||||||||||||||||||
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