Unimog 435
Unimog U-1300-L-based RW1 fire engine (435.115)
Overview
TypeTruck
ManufacturerDaimler-Benz
Also calledUnimog U 1300 L
Unimog U 1700 L
Production1975 – 1993
AssemblyGermany: Gaggenau
Turkey: Aksaray
Body and chassis
Class7,5 t truck
RelatedUnimog 436
Powertrain
EngineMercedes-Benz OM 353.959
Mercedes-Benz OM 353.961
Mercedes-Benz OM 366
Transmission8-speed manual
Dimensions
Wheelbase3,250–3,850 mm (128–151+5⁄8 in)
Length5.500–6,100 mm (1⁄4–240+1⁄8 in)
Width2,300 mm (90+1⁄2 in)
Height2,875 mm (113+1⁄4 in)
Kerb weight4.5–5.5 t (4.4–5.4 long tons; 5.0–6.1 short tons)
Chronology
Predecessornone
SuccessorUnimog 437

The Unimog 435 is a vehicle of the Unimog-series by Mercedes-Benz. 30,726 vehicles were produced from 1975 to 1993 in eight different variants in the Mercedes-Benz Unimog-plant in Gaggenau. The vehicles were sold as Unimog U 1300 L and Unimog U 1700 L. Best selling vehicle was the U 1300 L, which was built as a special vehicle for the Bundeswehr and the German fire department often. The successor Unimog 437 with a similar appearance is still in production. The Unimog 436 is based on the Unimog 435. It is made for export and has a different cab. The names of Unimog-vehicles may create confusion, the U 1300 belongs to the Unimog 425-series, while the U 1300 L belongs to the Unimog 435-series.[1]

Description

Unimog U 1700 L (435.111) on static display at the Unimog museum in Gaggenau

The Unimog 435 belongs to the heavy duty Unimog series which started with the Unimog 425. Compared with the Unimog 425, the 435 has a longer wheelbase and more powerful engines. Just as the 425, it has the "edgy" cab (425.820), and is designed as a 7,5-ton truck.[2] Like other Unimogs it has a ladder frame, portal axles and coil springs. The Unimog 435 was built with two different wheelbases, 3,250 mm (128 in) and 3,850 mm (152 in). It is a rear wheel drive vehicle with selectable four wheel drive (part time four-wheel drive). The gearbox is a fully synchronized 8-speed manual gearbox with lockable differentials. A reduction gear and a crawler gear were available as additional accessory. Depending on the built in gear box and portal axle final drive ratio the top speed is between 80 and 100 km/h (50 and 62 mph). The brake system uses compressed air to activate the dual hydraulic circuit disc brakes. A compressed air trailer brake system was an additional accessory. An engine brake was available as well. The Unimog 435 uses hydraulic power steering. The engines in the Unimog 435 are naturally aspirated or turbocharged Mercedes-Benz OM 353 series engines. Starting in 1987 Mercedes-Benz used the OM 366 engine instead.[1][3]

Types' designations

The Unimog 435.115 type is often used as a military vehicle

The Unimog 435 was made in eight different types, with the 435.115 type being by far the most common Unimog 435, with 21,775 units built. In total, 473 units of the 435.115 type were built as RW1 fire engines (as depicted in the infobox).[4]

Types' designation Model designation Wheelbase Number built Engine Power output
435.110[5] U 1700 3250 mm 1161 OM 353 124 kW
435.111[6] U 1700 L 3250 mm 808 OM 353 124 kW
435.113[7] U 1700 L/38 3850 mm 5898 (OM 352)
OM 353		 110/124 kW
435.115[8] U 1300 L 3250 mm 21,775 OM 353
(OM 352)
(OM 366)
OM 353		 96/110/115/124 kW
435.117[9] U 1300 L/37 3700 mm 779 OM 353
(OM 352)
OM 353		 96/110/124 kW
435.160[10] Thyssen TM 170 3250 mm 290 OM 353 124 kW
435.161[11] Thyssen TM 215 3250 mm 15 OM 366 157 kW
435.170[12] Thyssen Condor 3275 mm OM 353
(OM 366)		 124/170 kW

Technical Specifications

U 1300 L[3]U 1700 L[3]
Production 1975–19871975-1993
Engine Inline six-cylinder diesel engine with direct injection
Engine supercharging NoneTurbocharger, no intercooler
Engine model OM 353.959OM 353.961 A
Bore × Stroke,
Displacement		 97 mm × 128 mm (3.82 in × 5.04 in)
5,675 cm3 (346.3 cu in)
Rated power 96 kW (131 PS; 129 hp)124 kW (169 PS; 166 hp)
max. Torque 363 N⋅m (268 lbf⋅ft)520 N⋅m (380 lbf⋅ft)
Gearbox 8-speed manual
Propulsion Rear wheel drive with selectable all wheel drive
Vmax, 80–110 km/h (50–68 mph)
Fuel consumption 17.5–19 L/100 km (16.1–14.9 mpg‑imp; 13.4–12.4 mpg‑US)20–22 L/100 km (14–13 mpg‑imp; 12–11 mpg‑US)
Turning radius 14,100 mm (46.26 ft)
Approach angle 46°
Departure angle 51°
Ground clearance 440 mm (17+3⁄8 in)
Fording depth 1.000 m (3.28 ft)

References

  1. 1 2 Unimog-Community: Unimog U 435 (1975-1993)
  2. ↑ Vogler, Carl-Heinz (2021). Typenatlas Unimog: 1946 bis 2021 (in German). GeraMond Verlag. p. 388. ISBN 978-3-96453-027-1.
  3. 1 2 3 Unimog 435 (U1300/U1700) Specifications
  4. ↑ Bundesamt für Zivilschutz (ed.): Typenblatt Rüstwagen RW1, in German
  5. ↑ Daimler AG (ed.): Model variant 435.110 – U 1700, Mercedes-Benz Public Archive, 5 August 2020
  6. ↑ Daimler AG (ed.): Model variant 435.111 – U 1700 L, Mercedes-Benz Public Archive, 12 August 2020
  7. ↑ Daimler AG (ed.): Model variant 435.113 – U 1700 L/38, Mercedes-Benz Public Archive, 19 September 2020
  8. ↑ Daimler AG (ed.): Model variant 435.115 – U 1300 L, Mercedes-Benz Public Archive, 5 August 2020
  9. ↑ Daimler AG (ed.): Model variant 435.117 – U 1300 L/37, Mercedes-Benz Public Archive, 24 October 2020
  10. ↑ Daimler AG (ed.): Model variant 435.160 – Thyssen TM 170, Mercedes-Benz Public Archive, 20 September 2020
  11. ↑ Daimler AG (ed.): Model variant 435.161 – Thyssen TM 215, Mercedes-Benz Public Archive, 12 August 2020
  12. ↑ Daimler AG (ed.): Model variant 435.170 – Thyssen Condor, Mercedes-Benz Public Archive, 24 October 2020
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