Unimog 404 S diagrams

    Detailed 404 Specifications

    • 404.1 Specs
      • Dimensions
      • Engine
      • Axle Ratios
      • Transmission
      • Steering
      • Brakes
      • Electrical
      • Tires
    • 404.0 Specs:
      • Engine
      • Steering
      • Brakes

Model 404.1 Specs

Sales designation:404S
Later known as: U82/404 or U91/404

(depending on engine state of tune)

Dimensions:

Width 2150 mm 84.6 in.
Length 5030 mm 198 in.
Height 2290 - 2650 mm 90 - 104 in.
Wheelbase 2900 mm 114.2 in.
Track 1630 mm 64.2 in.
Turning Radius 11.9 meters 39 ft.
Approach Angle 45 degrees
Departure Angle 46 degrees
Min Ground Clearance 400 mm 15.75 in.
Fording Depth 800 mm 32 in.

Weights:

Curb Weight 2850 kg. 6383 lbs.
Gross Weight 5000 kg. 11,000 lbs.
Max. Payload 2150 kg. 4740 lbs.

Top Speed:
107 kph / 66.5 mph @4800 rpm

Engine: Mercedes-Benz M 180

Type: Gasoline (petrol), 7.0:1 Compression ratio
Displacement: 2195 cc / 138 cu in
Cylinders: 6
Power: 60kw / 82 Horsepower @4800 rpm
Max RPM: 5500
Ignition: 24 volt, Shielded

Axle Ratios:

Ring and Pinion Ratio: 3.54
Hub Reduction Ratio: 2.13
Final Axle Ratio: 7.56

Transmission:
6 speed synchromesh transmission with 2 speed reverse. Internal transfer case providing rear wheel drive or 4x4. Additionally, there are mechanically locking differentials on both the rear and front axles. 4x4 and locking diffs are Shift on the fly .Ó

Ratios: Gearbox Ratio / Final Drive including Axle Ratio

1 st 14.93:1 113:1
2 nd 8.23:1 62:1
3 rd 4.47:1 34:1
4 th 2.47:1 19:1
5 th 1.53: 12:1
6 th 1.0:1 7.56:1
Reverse:
1 st 20.1:1 152:1
2nd 11.1:1 84:1

In addition, there is an optional 2 speed supplementary reduction gearbox which provides two addition ratios:

1 st 46:1 347:1
2 nd 25:1 192:1

In addition a front/rear PTO unit is available but not in combination with the supplementary low ratio gearbox.

Steering:
Recirculating ball, no power assist.

Brakes:Hydraulic. (power assist on some applications.) Dual or single circuit depending on application.

Electrical:
24 volt 19 amp (300 watt) generator

Tires:
10.5R20 tires on 9x20 rims. 12.5 tires also fit.

Model 404.0 Specs

Sales designation:
U082/404 or U110/404 depending on engine.

Dimensions:
Same as 404.

Engine:
Mercedes Benz M 180 (U082/404) Same as 404.1

Optional: Mercedes M130 (U110/404)

Type: M130 Gasoline (petrol), 7.8:1 Compression ratio
Displacement: 2748 cc / 170 cu in
Cylinders: 6
Power: 81 kw / 110 Horsepower @ 4800 rpm
Max RPM: 5500
Ignition: 24 volt, Shielded

Axles ratios:
Same as 404.1

Transmission:

Same as 404.

Steering:
Recirculating ball, power assist optional.

Brakes:
Hydraulic. (power assist on some applications.) Dual circuit.

Electrical:
24 volt
27 amp (750 watt) generator

Tires:
same as 404.1

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