Isuzu Giga vs Western Star 4900
Below, every figure both makers publish sits side by side, with the Isuzu Giga and the Western Star 4900 drawn to the same scale from their dimension drawings.
All specifications
Every figure the makers publish. Search for one, or show only those that differ.
Dimensions
Overall length6.93 mNot published
Overall height (cab roof)3.2 mNot published
Wheelbase3.885 mfront axle to centre of rear bogieNot published
Tandem axle spacing1.31 mNot published
Front overhang1.4 mNot published
Rear overhang1.645 mfrom centre of rear bogieNot published
Front axle to back of cab0.764 mNot published
Back of cab to rear end4.766 mNot published
Behind cab equipment to rear bogie centre2.45 mNot published
Cab height above frame2.196 mNot published
Frame height at front0.915 mat front axle, unladenNot published
Frame height at rear1.035 mat rear axles, unladenNot published
Overall width2.49 mdimensioned on the maker's rear viewNot published
Front track2.01 mdimensioned on the maker's front viewNot published
Rear track1.85 mmaker's RT, on the rear viewNot published
Width across rear tyres2.44 mmaker's ORT, on the rear viewNot published
Turning circle14.6 mkerb to kerbNot published
Bumper to back of cab (BBC)Not published3.124 mBBC; SF, SB and XD
Wheelbase (maximum)Not published11.379 mWB; all four versions
Bumper to front axleNot published0.838 mBA; SF set-forward and EX
Station 0 to back of cabNot published3.063 m4900SF 123 BBC
Station 0 to front axle centrelineNot published0.787 m4900SF
Bottom of frame rail to top of cabNot published2.129 mstandard cab
Top of frame to top of cabNot published1.859 m
Frame widthNot published0.864 moutside of frame rails
Fenderette widthNot published2.565 m
Fender-only widthNot published2.426 m
Weight
Kerb weight7,810 kgNot published
GVW24,000 kgGVMNot published
GCW50,000 kgGCMNot published
Front axle load6,600 kgloading limit at groundNot published
Rear axle load20,865 kgloading limit at ground (tandem)Not published
Engine
Engine modelIsuzu 6WG1-TCC, turbocharged and intercooled, common railDetroit DD1514.8 L, 455-505 HP, 1,550-1,750 lb-ft
EmissionsJNLT 05 / ADR 80/03 (cooled EGR + DPD)Not published
Cylinders6Not published
Displacement15.7 LNot published
Gross power350 kW (469 hp)JIS gross, at 1,800 rpmNot published
Net power338 kW (453 hp)DIN net, at 1,800 rpmNot published
Max torque2,255 NmDIN net at 1,300 rpm; 2,334 Nm JIS grossNot published
Transmission
GearboxEaton RTLO 18918B 18-speed constant mesh manualNot published
ClutchSpicer twin plate 15.5 in, air assistedNot published
TransmissionNot publishedEaton Fuller FR-13210B 10-, 13-, 15- and 18-speed; Eaton Fuller UltraShift PLUS; Allison 4000, 4500, 4700 automatic
Rear axleNot publishedtandem 40,000-70,000 lb; tridem 69,000-105,600 lb; single 23,000-30,000 lb (Detroit, Meritor, Sisu)
Axles
Rear axle ratio3.73:1Not published
Rear axlesMeritor RT-40-145GP tandem, 18,100 kg, inter-axle and cross locksNot published
Front axleMeritor FG941, 6,600 kgsingle 12,000-23,000 lb (Detroit, Hendrickson AIRTEK, Meritor); Meritor tandem 40,000 lb and front drive 22,000-23,000 lb with set-back axle only
Rear suspensionHendrickson HAS461 airbag, 20,865 kg at groundNot published
Tyres
Tyres295/80R22.5 steer, 11R22.5 drive, 22.5 x 8.25 steel wheelsNot published
Service capacities
Fuel tank550 Lframe-mounted aluminiumaluminium 25 in cylindrical 60-150 gal (227-567 L); 23 in cylindrical 50-150 gal (189-567 L)
DEF tankNot published6, 13 and 23 gal (23, 49 and 87 L)
Performance
Top speed100 km/hspeed limited; geared 128 km/h at 1,800 rpmNot published
Sources: Isuzu Giga EXY 240-460 6x4 specification sheet ARK1422 02/21 (Isuzu Australia Limited) · Western Star 4900 tech sheet WS/MC-DT-531 (2018, copy on xr793.com)
Drawn to scale
Side views measured off each maker's dimension drawing, front edges and ground lined up.
Isuzu Giga vs Western Star 4900: questions
Where do these figures come from?
Each model's own published spec sheet or brochure, linked under the table. Builds differ by market and year, so confirm the figures for a particular machine with its dealer.
Can I rent or buy these machines in the UAE?
Each model's page lists the ones for hire and for sale on EquipmentsFinder now, with typical prices in AED.
