Volkswagen Constellation

The Volkswagen Constellation is the flagship truck produced by the Brazilian manufacturer Volkswagen Caminhões e Ônibus (a subsidiary of MAN) since 2005. The line covering the 13-57 tonne gross combination mass (GCM)[1] segment. It is produced at Resende in Brazil,[1] and is primarily for the South American market.

Volkswagen Constellation
Overview
ManufacturerVolkswagen Caminhões e Ônibus
Production2005–present
AssemblyResende, Brazil[1]
Body and chassis
ClassCommercial vehicle - truck
Body styleTractor unit, Chassis cab, Flatbed - all "cab-over-engine"
Volkswagen Constellation 19.320 Titan tractor unit, at the 2006 IAA Nutzfahrzeuge (Commercial Vehicles show) in Hannover

The truck, a "cab-over-engine" released in September 2005, was designed in Volkswagen's Wolfsburg Design Studio at Volkswagen Group Headquarters, but engineered by Volkswagen Truck and Bus, in Brazil, South Africa, and mainland Europe - on a rigorous 7 million kilometre test phase over a four-year period.[2]

In 2006, Renato Martins won the Brazilian Fórmula Truck Championship in the Constellation's first season racing.

Variants

The cab is available in daycab and sleeper cab configurations.

It is available in the following internal combustion engine / payload configurations: 13.180 and 15.180 with 180 hp (134 kW; 182 PS) MWM International Motores; 17.250, 24.250 6x2 and 19.320 Titan with 250 hp (186 kW; 253 PS)[1] or 320 hp (239 kW; 324 PS) Cummins diesel engines.[1] A further three models were subsequently launched in 2007; a 19.370, 25.370, and 31.370, with a Volkswagen Caminhões e Ônibus engineered and MWM produced 370 hp (276 kW; 375 PS) Volkswagen NGD 370 diesel engine.[1]

Powertrain

VW NGD 370 engine

The Volkswagen Group NGD 370 turbodiesel engine premiers new attributes for the heavy trucks sector. The high "flat" torque at low engine speeds is improved by a variable geometry turbo-compressor: the Multi Turbo System - MTS. Its cylinder head features four valves per cylinder, displaces 9,354 cubic centimetres (570.8 cu in) (9.4 litres), and generates 367 horsepower (274 kW; 372 PS) at 2,000 rpm. It also comes with the Dual Power Brake – DPB.[1]

It features an exclusive high pressure direct fuel injection similar to the Pumpe Düse (PD) system found in Volkswagen's car engines, the Hydraulic Electronic Unit Injector - HEUI – with electro-hydraulic digital unit injectors and extended durability, developed by the partner company Siemens/VDO. An important advantage is the removable wet cylinder liners which will assist with easier maintenance and lower costs.[1]

Its Multi Turbo System (MTS) turbine with variable vane geometry, is electronically controlled. This helps achieve faster responses, better performance, and better thermal efficiency. This also works as part of the engine brake retarder in the exhaust system. The water-cooled exhaust gas recirculation (EGR) system, coupled with the cylinder block, reutilises part of the exhaust gasses, producing combustion at lower temperatures with less discharge rates.[1]

It includes a new engine brake system, the Dual Power Brake (DPB) fed into the cylinder head, is electronically integrated into the turbocharger. It is claimed that the advantages are: increasing the operational average speed, the brake force, safety, retaking with fuel reduction, and speed on downward slopes. This means less gear shifts, lower maintenance costs, and helps improve the service life of the brakes and tyres.

Transmission

Clutches on all variants are the hydraulically operated with pneumatic assistance single-plate diaphragm type.[3] All are supplied by ZF Sachs, and range in diameter from 362 millimetres (14.3 in)[3] to 430 millimetres (16.9 in). The engine output is routed through a variety of transmissions. One option is the ZF 16S 1685 TD 16-speed manual synchromesh transmission. This latest ZF box is 80 kilograms (176 lb) lighter than existing models, due to its all-aluminium alloy casings. It has a torque handling capacity of 1,800 newton metres (1,328 lbf⋅ft).

The 6x2 variants use a Meritor MS 23-185 tractive rear axle, and this has a maximum capacity of 60 tons. It includes a series differential locking system when used on the VW 25.370 tractor unit.

The 6x2 variants also have the facility for partial or total lifting of the third axle, which helps achieve better traction, particularly on slopes. This Extra Traction Device (ETD) ensures part of the third axle load, during partial lifting, is transferred to the tractive axle.

6x4 variants utilise Meritor MD/MR 25-168 tractive rear axles, and are located via Randon S.A. rear suspension (bogie type rigid shafts in tandem).[1]

Specifications

[3][4]

Rigids / Freight Carriers / Tippers
modelengine make / configuration
/ engine displacement		max. motive power
@ rpm		max. torque
@ rpm		clutch make,
dia (mm)		transmission
make / type / speed		rear axle,
ratios		wheelbaseGVM (kg)
technical
capacity		GCM (kg)
technical
capacity
13.180 (4x2) MWM 4.12 TCE I4 CR turbo intercooler
4,748 cubic centimetres (289.7 cu in)		132 kW (179 PS; 177 bhp)
@ 2,200		600 N⋅m (443 lbf⋅ft)
@ 1,550-2,000		ZF Sachs 362Eaton FS 4205 A manual
synchromesh 5-speed		Meritor RS 23-230
4.88:1 / 6.80:1		4,800 mm (189.0 in)
5,207 mm (205.0 in)		13,20023,000
15.180 (4x2) MWM 4.12 TCE I4 CR turbo intercooler
4,748 cubic centimetres (289.7 cu in)		132 kW (179 PS; 177 bhp)
@ 2,200		600 N⋅m (443 lbf⋅ft)
@ 1,550-2,000		ZF Sachs 362Eaton FS 4205 A manual
synchromesh 5-speed		Meritor RS 23-230
4.88:1 / 6.80:1		4,800 mm (189.0 in)
5,207 mm (205.0 in)		15,40023,000
17.250 (4x2) Cummins ISBe I6 CR turbo intercooler
5,880 cubic centimetres (358.8 cu in)		184 kW (250 PS; 247 bhp)
@ 2,500		950 N⋅m (701 lbf⋅ft)
@ 1,200-1,700		ZF Sachs 395Eaton FS 6306 B manual
synchromesh 6-speed		Meritor RS 24-240
4.10:1 / 5.59:1		4,800 mm (189.0 in)
5,207 mm (205.0 in)		17,10027,000
24.250 (6x2) Cummins ISBe I6 CR turbo intercooler
5,880 cubic centimetres (358.8 cu in)		184 kW (250 PS; 247 bhp)
@ 2,500		950 N⋅m (701 lbf⋅ft)
@ 1,200-1,700		ZF Sachs 395Eaton FS 6306 B manual
synchromesh 6-speed		Meritor RS 24-240
4.10:1 / 5.59:1		6,024 mm (237.2 in)
6,431 mm (253.2 in)		24,10027,000
26.260 (6x4) MWM 6.12 TCAE
7.2 litres (439.4 cu in)		194 kW (264 PS; 260 bhp)
@ 2,300		900 N⋅m (664 lbf⋅ft)
@ 1,300-1,900		ZF Sachs ??Eaton RT 7608 LL manual
synchromesh 10-speed		26,20035,000
31.320 (6x4) Cummins ISCe I6 CR turbo intercooler
8.3 litres (506.5 cu in)		235 kW (320 PS; 315 bhp)
@ 1,300		1,288 N⋅m (950 lbf⋅ft)
at 1,100-1,600		ZF Sachs ?ZF 16S ?? manual
synchromesh 16-speed		??63,000
31.370 (6x4) VW NGD 370
9,354 cubic centimetres (570.8 cu in)		270 kW (367 PS; 362 bhp)
@ 2,000		1,800 N⋅m (1,328 lbf⋅ft)
at 1,100-1,500		ZF Sachs 430ZF 16S 1685 TD manual
synchromesh 16-speed[1]		30,00057,000
Tractor units
modelengine make / configuration
/ engine displacement		max. motive power
@ rpm		max. torque
@ rpm		clutch make,
dia (mm)		transmission
make / type / speed		rear axle,
ratios		wheelbaseGVM (kg)
technical
capacity		GCM (kg)
technical
capacity
19.320 (4x2)
Titan		 Cummins ISCe I6 CR turbo intercooler
8,270 cubic centimetres (504.7 cu in)		235 kW (320 PS; 315 bhp)
@ 2,000		1,288 N⋅m (950 lbf⋅ft)
@ 1,300-1,600		ZF Sachs 430ZF 16S 221 OD manual
synchromesh 16-speed		Meritor RS 23-165
3.73:1		3,560 mm (140.2 in)17,10035,000
19.370 (4x2) VW NGD 370
9,354 cubic centimetres (570.8 cu in)		270 kW (367 PS; 362 bhp)
@ 2,000		1,800 N⋅m (1,328 lbf⋅ft)
@ 1,100-1,500		ZF Sachs 430ZF 16S 1685 TD manual
synchromesh 16-speed[1]		16,80048,000
25.370 (6x2) VW NGD 370
9,354 cubic centimetres (570.8 cu in)		270 kW (367 PS; 362 bhp)
@ 2,000		1,800 N⋅m (1,328 lbf⋅ft)
@ 1,100-1,500		ZF Sachs 430ZF 16S 1685 TD manual
synchromesh 16-speed[1]		24,10057,000
31.370 (6x4) VW NGD 370
9,354 cubic centimetres (570.8 cu in)		270 kW (367 PS; 362 bhp)
@ 2,000		1,800 N⋅m (1,328 lbf⋅ft)
@ 1,100-1,500		ZF Sachs 430ZF 16S 1685 TD manual
synchromesh 16-speed[1]		30,00057,000
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References
  1. "Volkswagen Trucks and Buses presents the Constellation 370 line". VWTBpress.com.br. MAN Latin America. 2007-08-07. Retrieved 21 November 2009.
  2. "Volkswagen Commercial Vehicles - Constellation". VWcommercial.co.za. Volkswagen Commercial Vehicles. Archived from the original on September 17, 2009. Retrieved 22 November 2009.
  3. "Volkswagen Commercial Vehicles - Constellation specifications". VWcommercial.co.za. Volkswagen Commercial Vehicles. Archived from the original on August 13, 2009. Retrieved 22 November 2009.
  4. "South African Constellation specifications". FleetWatch.co.za. FleetWatch On-Line. 2007. Archived from the original on 30 August 2009. Retrieved 20 November 2009.
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