Benz 20/35 hp - 37/70 hp
Benz 25/45 hp
Type Benz 25/45 hp 
Name Benz 25/45 hp  
Name Benz 25/45 hp  
Short name Benz 25/45 hp  
Model  
Production 1909 - 1912 
Number produced  
Comments concerning the production period  
Prices chassis Mk. 17.000,- 
Wheelbase 3150 or 3300 
Track rear/front 1440 mm 
Length  
Width  
Height  
Smallest turning circle  
Chassis weight
Max. total weight  
Max. front axle weight  
Max. rear axle weight  
Max. load  
Max. trailer weight braked  
Max. trailer weight unbraked  
Weight empty  
According to guideline  
Operating method four-stroke 
Configuration front, parallel; upright 
Type  
No. of cylinder/configuration 4 / in line (in pairs) 
Bore x stroke 120 x 140 mm 
Total displacement 6330 ccm 
Compression ratio  
Crankshaft bearing
Output 45 hp at 1400 /min 
Maximum torque  
No. of valves/configuration 1 intake, 1 exhaust / lateral, upright (T-disposition) 
Valve operation 2 lateral camshafts 
Camshaft drive via spur gears 
Mixture formation Benz spraying nozzle carburetter 
Cooling water cooling / pump 
Lubrication pressure circulation lubrication 
Electric system  
Battery  
Dynamo  
Starter motor  
Ignition double ignition (magneto and battery ignition); 2 plugs per cylinder 
Fuel tank in the rear 
Fuel supply exhaust-gas pressure 
Driven whells rear wheels 
Power transmission chains 
Frame desing pressed-steel frame 
Wheel suspension front rigid axle 
Wheel suspension rear rigid axle 
Suspension front split springs 
Suspension rear split springs 
Damper  
Steering screw spindle, right 
Steering transm ratio  
Breaking system foot brake 
Breaking system outside shoe brake, effective on gearbox input shaft 
Parking breake hand brake 
Parking breake internal shoe-type brake, effective on rear wheels ; hillholder 
Diamatre  
Wheels wood-spoked wheels, since 1911 with detachable wheel rims 
Wheels rims  
Tyres front 880 or 920 x 120, rear 895 or 935 x 135 

Skrzynie biegów tego modelu (gearbox and performance):

Benz 20/35 hp - 37/70 hp
Benz 25/45 hp
Gearbox 4-speed gear shift 
Availability  
Shifting Control lever right outward (connecting link) 
Clutch Leather cone clutch 
Type of gearbox Pinion change gear 
Synchromesh gears  
Gear transmission I. 3,80; II. 1,74; III. 1,40; IV. 1,0 
Differential ratio 2,80 
Maximum speed 85 km/h 
Accelerations  
Comments  
Fuel consumption 24 l 
acc. to guideline  
Benz 20/35 hp - 37/70 hp
Benz 25/45 hp
Gearbox 4-speed gear shift 
Availability  
Shifting Control lever right outward (connecting link) 
Clutch Leather cone clutch 
Type of gearbox Pinion change gear 
Synchromesh gears  
Gear transmission I. 3,80; II. 1,90; III. 1,45; IV. 1,0 
Differential ratio 2,50 
Maximum speed 85 km/h 
Accelerations  
Comments  
Fuel consumption 24 l 
acc. to guideline