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Cat CT630 Extended Cab
Cat CT630 Extended Cab
Cat CT630 Extended Cab
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Summary
Models : CT630 Extended Cab 
Engine : Cat C15 ACERT ADR 80/03 emissions compliant 6-cylinder 
Gearbox : Sheppard M100 power steering gear 
GVM : 24.5 tonne 
GCM : 72-tonnes to 90-tonnes 
Overview : Introducing the all new CT630 Extended Cab. Built with Drivers in Mind. 
 The CT630 Extended Cab is equipped with the power of the renowned Caterpillar ADR 80/03 C15 ACERT engine technology. Operating with 550hp at 1850 lb.ft torque, the C15 requires no after treatment whilst maintaining driver satisfaction and fuel economy. 
 The Cat CT630 Extended Cab offers options to suit the business demands of the professional driver. Fitted standard with a spacious 26? Sleeper cab with ample storage compartments under-bunk, our intention is to make you feel comfortable away from home. 
 The CT630 Extended Cab is available with options that include front and rear suspension, rear differentials and aerodynamic packages to minimise wind drag and fuel consumption. 
 
Specifications
Engine Clutch Transmission Manual Front Axle
Rear Axle Front Suspension Rear Suspension Brakes
Steering Wheels and Tyres Fuel Tank Chassis Frame
Electrical System Cabin Specification and Appointments

CT630 Extended Cab Engine
Model : Cat C15 ACERT ADR 80/03 emissions compliant 6-cylinder 
Type : In-line, turbocharged and aftercooled, electronic direct injection with dual DPF 
Displacement : 15.2-litres 
Other :  
 Cruise control with steering wheel controls 
 Rated at 550 hp @ 1800 rpm and 1850 lb.ft torque @ 1200 rpm. 2100 governed rpm. 
 Jacobs engine brake, 3 stage switching 
 High-capacity under-hood air cleaner with restriction indicator gauge 
 Fuel priming pump 
 Excellent engine access 
 100 kph road-speed limited 
 
CT630 Extended Cab Clutch
Type : Eaton Fuller Solo Advantage two-plate ceramic with Self Adjust feature 
Diameter: 394mm 
 Light pedal, integrated air-assist clutch release system 
 
CT630 Extended Cab Transmission Manual
Model : Eaton Fuller RTLO-20918B 18-speed overdrive 
Type : Lube pump & oil-to-water transmission cooler 
Option : Eaton UltraShift Plus Transmission with Hill Start Assist 
 
CT630 Extended Cab Front Axle
Model : Meritor MFS 14-143A wide track RHD 
Type : Forged steel I-beam 
Capacity : 6,500kg 
Hub : Steel Hubs 
 Option: Alloy Hubs 
 
CT630 Extended Cab Rear Axle
Model : Arvin Meritor RT-46-160 
Capacity : 20,900kg (46,000lb) 
Drive Ratio (manual & auto) : 3.91:1 
 Optional Ratios: 4.10:1 or 4.30:1 
Other : Inter-differential power divider lock 
 Differential cross-lock on rear/rear axle 
 Option: Additional cross-lock on forward rear axle 
 Option: Lube Pump with bypass 
 Electronic auto traction control standard 
Hub : Steel Hubs 
 Option: Alloy Hubs 
 
CT630 Extended Cab Front Suspension
Type : 3 leaf parabolic springs 
Size : 1480mm long 
Spring Capacity : 6,500kg 
 Tuned shock absorbers 
 
CT630 Extended Cab Rear Suspension
Type : HAS - Hendrickson HAS 460-55 (1850 lb.ft) suspension engineered 
 to meet Australian Specifi cation with road friendly compliance 
Size : 1397mm axle spacing 
 Suspension dump valve with control switch in instrument panel 
 Load sharing suspension 
Spring Capacity : 20,900kg (46,000lb) 
Type : PRIMAAX EX - Hendrickson PAX 460 (1850 lb.ft) suspension engineered to meet Australian Specification with road friendly compliance 
 Suspension dump valve with control switch in instrument panel 
Spring Capacity : 20,900kg (46,000lb) 
 Inner frame suspension liner 
 
CT630 Extended Cab Brakes
Type : Dual Circuit Air System, S-Cam brakes 
Size - Front & Rear : Front 419mm x 127mm with T24 chamber 
 Rear 419mm x 178mm with type 30/30 chambers 
Park Brake : both rear axles, spring-actuated 
Other : Haldex auto slack adjusters 
 Air dryer, Bendix AD-IS 
 Air compressor, Cat 15.7cfm capacity 
 Three manual drain valves with pull chains 
 Dust shield on all axles 
 Trailer brake hand control on steering column 
 Semi-trailer air connections at back of cab 
 Option: Hose tender slide bar, upper rear of cab 
 Bendix 4-channel ABS with full vehicle wheel control system with automatic traction control 
 
CT630 Extended Cab Steering
Type : Sheppard M100 power steering gear 
 Gear-driven power steering pump 
 Adjustable tilt telescopic steering column with leatherwrapped 
 2-spoke steering wheel, 457mm diameter 
 
CT630 Extended Cab Wheels and Tyres
Wheels–Ten : bright finish alloy, 10-stud 285mm PCD, 8.25DC x 22.5 
Tyre Size : 295/80R22.5 on front axle; 11R22.5 on rear axles 
 
CT630 Extended Cab Fuel Tank
Type : 984-litres total capacity (Day Cab and Extended Cab) 
 Bright finished aluminium 660mm diameter cylindrical tank with alloy steps 
 Dual Pick-up and return 
 Fuel cooler, radiator mounted 
 
CT630 Extended Cab Chassis Frame
Type : Heat-treated steel, yield strength: 120 000 psi, 760MPa 
Frame rail dimensions : 260 x 92 x 9.5mm, section modulus 291cm3 
 Heavy Duty Intermediate cross member 
 Huck bolted to minimise maintenance 
 Aluminium deck plates behind cab 
 Tapered end of frame with fifth-wheel mounting angles 
 Double front tow hooks 
 Stainless steel bright finish bumper 
 Front Underrun Protection Device 
 
CT630 Extended Cab Electrical System
Type : LED headlights, with auto on windscreen wiper function and daytime running lights 
 12-Volt, negative to earth 
 Diamond Logic multiplexing system 
Batteries : 4 x 12V, RHS chassis mounted 
Alternator : 12V, 160 amp, brush-type, pad-mounted 
Starter Motor : 105P with Soft Start 
Other Lamps : Two trailer sockets, 7-pin trailer lighting and an EEC socket for 
 trailer ABS, at rear of cab 
 Exterior light test system for pre-trip inspection 
 Circuit breaker with manual reset 
 Switches for provision of operating PTO, and rear work lamps 
 Park brake warning horn if brake not applied and door opened 
 Back-up alarm, 102 dba 
 Option: Work light connection on chassis 
 Option: P.T.O. prep kit (switch and wiring loom) 
 
CT630 Extended Cab Cabin Specification and Appointments
CAB : 
Day cab 2085mm wide, galvanized steel 
Base coat, clear coat paint 
ECE-R29 compliant 
Tilting SMC hood and removable quarter fenders 
Bright polished stainless-steel grille surround 
Three-point cab mounting system with rear air suspension 
Drivers Seat: Gramag, hi-back, air suspended, leather trim fitted with adjustable arm rests and integrated seat belt 
Passenger Seat: Gramag, hi-back, air suspended, leather trim fitted with adjustable arm rests and integrated seat belt 
Full instrument panel with on-board diagnostics display for diagnosis of fault codes in gauge cluster 
Stowage compartments in overhead console 
Premium trim with additional sound insulation 
Moulded access handles with 3 point entry and exit 
Quarter vent windows, Rear window 
Power windows fitted for both driver and passenger 
INSTRUMENTATION : 
Electronic speedometer and tachometer 
Gauges: engine oil pressure, voltmeter, engine oil temperature, air pressure, coolant temperature, fuel level, transmission temperature, rear axle temperatures, fuel trip data 
Warning system: low air pressure, low fuel, low oil pressure, high engine coolant temp and low battery voltage (visual and audible) 
STANDARD ACCESSORIES : 
Internal sun visors, front and separate side primary visors 
Air-Conditioner, Heater with fresh air fi lter system 
Twin windscreen wipers/washers, 2-speed with intermittent action 
Electrically adjustable heated mirrors with separate spotter mirrors on both sides 
Single air-horn, chassis mounted 
Outside temperature and compass in dash display 
Option: Aerodynamic packages available 
EXTENDED SLEEPER : 
26” (660mm) Extended (Sleeper) cab with 3770mm BBC 
Sleeper includes: Single 660mm x 1840mm x 127mm lower bunk (mattress) dome light, under-bunk storage 
Refer to your authorised CAT Dealer for : 
Detailed information. 
Full Warranty details and limitations.  
Further details regarding the mass of options.  
The latest details on specifications, options, prices and availability.