300 D Turbodiesel

Design name:
W 123 D 30 A
Type:
123.133
Production period:
04.1981 / 08.1981 - 08.1985
Note on production period:
production start-up pre-production series / standard production - end of production
Remark on type:
export model for North America and Japan

Combustion principle:
four-stroke Diesel (with indirect injection and exhaust turbocharger)
Configuration:
front, longitudinal; vertical
Engine type:
OM 617 D 30 A / 617.952
Number of cylinders / arrangement:
5 / in line
Bore x Stroke:
90.9 x 92.4 mm
Total displacement:
2998 cc
Compression ratio:
21,5
Rated output:
121 hp / 89 kW at 4350 rpm; from 10.1982: 125 hp / 92 kW at 4350 rpm
Rated torque:
230 Nm at 2400 rpm; from 10.1982: 250 Nm at 2400 rpm
Number of valves / arrangement:
1 intake, 1 exhaust / overhead
Valve operation:
1 overhead camshaft
Camshaft drive:
double roller chain
Fuel system:
indirect injection, mechanically controlled; Bosch 5-plunger injection pump / exhaust-gas turbocharger
Fuel tank: position / capacity:
above the rear axle / 80 l

Frame design:
steel unit body
Front-wheel suspension:
double wishbone
Rear-wheel suspension:
semi-trailing arm axle (hydropneumatic level control optional)
Front springs:
coil springs, supplementary rubber suspension, torsion bar stabiliser
Rear springs:
coil springs, supplementary rubber suspension, torsion bar stabiliser
Shock absorber front/rear:
telescopic shock absorbers
Steering:
recirculating-ball power steering
Brake system (foot brake):
hydraulic dual-circuit brake system with vacuum booster, antilock system optional; four-wheel disc brakes
Parking brake (hand brake):
mechanical (foot-operated), acting on rear wheels
Wheels:
sheet-steel wheels (light-alloy wheels optional)
Wheel rims:
6 J 14 x H 2
Tires:
195/70 SR 14 90 S
Driven wheels:
rear wheels
Drivetrain:
divided cardan shaft

Wheelbase:
2795 mm
Front / rear track:
1488 / 1446 mm
Length:
4848 mm
Width:
1786 mm
Height:
1438 mm
Kerb weight:
1625 kg
by Guideline:
DIN 70020 (ready to drive, including fuel, spare wheel and tool kit)
Gross weight:
2080 kg