Rover G1, G4, G5, L 1500 A
Mercedes-Benz type G 4
Type G 4 
Name G 4 
Name Mercedes-Benz type G 4 
Short name G 4 
Model W 31 
Production 1934 - 1936 
Number produced altogether 57 (all engine versions) 
Comments concerning the production period  
Wheelbase 3100 + 950 mm 
Track rear/front 1620/1570/1570 mm 
Length 5360 - 5720 mm 
Width 1870 mm 
Height 1900 mm (with cabriolet top) 
Smallest turning circle 17 m 
Chassis weight
Max. total weight 4400 kg 
Max. front axle weight  
Max. rear axle weight  
Max. load 850 kg 
Max. trailer weight braked  
Max. trailer weight unbraked  
Weight empty 3550 kg 
According to guideline  
Operating method four-stroke Otto 
Configuration front, parallel; upright 
Type M 24 
No. of cylinder/configuration 8 / in line 
Bore x stroke 86 x 108 mm 
Total displacement 5018 ccm (tax classification: 4982 ccm) 
Compression ratio 5,6 
Crankshaft bearing
Output 100 hp at 3400 /min 
Maximum torque 28,8 mkg at 1400 /min 
No. of valves/configuration 1 intake, 1 exhaust / overhead 
Valve operation 1 lateral camshaft 
Camshaft drive via spur gears 
Mixture formation 1 double carburetter Solex 40 MMDVS 
Cooling water cooling / pump; 26 l water 
Lubrication pressure circulation lubrication / 10 l oil 
Electric system 12 V 
Battery 60 Ah 
Dynamo 130 W 
Starter motor electrical / 1,5 PS 
Fuel tank 90 l, z. T. 140 l 
Fuel supply  
Driven whells all 4 rear wheels, partially front and rear wheels 
Power transmission cardan shaft on all 4 rear wheels (2 self-locking differentials), eventually via power divider and cardan shafts on front- and rear wheels (3 self-locking differentials) 
Frame desing box-section frame 
Wheel suspension front rigid axle 
Wheel suspension rear 2 rigid axlen 
Suspension front split springs 
Suspension rear on each side 1 split spring for 2 wheels 
Steering screw spindle 
Steering transm ratio  
Breaking system braking system 
Breaking system hydraulic,partially with Bosch-Dewandre vacuum-assistance;~effective on front- and rear wheels 
Parking breake parking brake 
Parking breake mechanical, effective on the front rear wheels 
Wheels steel-disc wheels 
Wheels rims drop centre rim L 4,00 F x 17 (for bullet-proof tyres: 6,00 F x 17) 
Tyres 7,50-17 off-road (normal or bullet-proof); all single tyres 

Skrzynie biegów tego modelu (gearbox and performance):

Rover G1, G4, G5, L 1500 A
Mercedes-Benz type G 4
Gearbox 4-speed gear shift ZF-Aphon G 35 with transmission 
Shifting 2 Control lever car center 
Clutch Single-plate dry clutch 
Type of gearbox Pinion change gear 
Synchromesh gears  
Gear transmission I. 4,10; II. 2,21; III. 1,49; IV. 1,0; transmission: 1 : 3,06 
Differential ratio  
Maximum speed acc. tire permissible 67 km/h 
Fuel consumption Road 28 l, country 38 l 
acc. to guideline