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"Ponton-Mercedes", four-cylinder types (W 120, W 121)
Mercedes-Benz type 190 b chassis with two-door partial body |
| Type |
190 b chassis with two-door partial body |
| Name |
190 b chassis with two-door partial body |
| Name |
Mercedes-Benz type 190 b chassis with two-door partial body |
| Short name |
190 b chassis with two-door partial body |
| Model |
W 121 B III |
| Production |
1959 - 1961 |
| Number produced |
349 chassis with 2- and 4-door partial body, resp. |
| Comments concerning the production period |
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| Prices |
no list price |
| Wheelbase |
2650 mm |
| Track rear/front |
1430/1475 mm |
| Length |
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| Width |
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| Height |
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| Smallest turning circle |
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| Chassis weight |
| Max. total weight |
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| Max. front axle weight |
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| Max. rear axle weight |
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| Max. load |
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| Max. trailer weight braked |
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| Max. trailer weight unbraked |
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| Weight empty |
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| According to guideline |
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| Operating method |
four-stroke Otto |
| Configuration |
front, parallel; upright |
| Type |
M 121 B I b / 121.920 |
| No. of cylinder/configuration |
4 / in line |
| Bore x stroke |
85 x 83,6 mm |
| Total displacement |
1897 ccm (tax classification: 1882 ccm) |
| Compression ratio |
8,5 |
| Crankshaft bearing |
3 |
| Output |
80 hp at 4800 /min |
| Maximum torque |
14,2 mkg at 2800 /min |
| No. of valves/configuration |
1 intake, 1 exhaust / overhead |
| Valve operation |
top camshaft |
| Camshaft drive |
duplex roller-type chain |
| Mixture formation |
1 register-downdraught carburetter Solex 32 PAITA |
| Cooling |
water cooling / pump; 9,3 l water |
| Lubrication |
pressure circulation lubrication / 4 l oil |
| Electric system |
12 V |
| Battery |
56 Ah / in the engine compartment |
| Dynamo |
160 W |
| Starter motor |
electrical / 0,8 PS |
| Ignition |
battery ignition |
| Fuel tank |
in the rear / 56 l |
| Fuel supply |
diaphragm pump |
| Driven whells |
rear wheels |
| Power transmission |
divided cardan shaft |
| Frame desing |
floor assembly / self-supporting all-steel body |
| Wheel suspension front |
double wishbone |
| Wheel suspension rear |
single-joint swing axle |
| Suspension front |
coil springs, torsion bar stabilizer |
| Suspension rear |
coil springs |
| Damper |
hydraulic telescopic damper |
| Steering |
recirculating-ball steerg. |
| Steering transm ratio |
18,5:1 / 3,5 steering wheel turns |
| Breaking system |
braking system |
| Breaking system |
hydraulic, on demand with vacuum-operated brake servo unit, effective on front- and rear wheels ; drum brakes front and rear |
| Parking breake |
parking brake |
| Parking breake |
mechanical, effective on rear wheels |
| Diamatre |
brake drums front / rear: 230 mm |
| Wheels |
sheet steel-disc wheels |
| Wheels rims |
drop centre rim 4 1/2 K x 13 B |
| Tyres |
6,70-13 |