mt Power Angling and Tilt Blade — large capacity, improved hydraulics and box-section durability for aggressive dozer performance. Manually adjustable pitch to meet changing applications or materials. Durable undercarriage — large component size for improved wear life. Sealed and Lubricated ‘Track is standard, eliminating internal pin and bushing wear. Transmission — Caterpillar planetary power shift transmission and torque converter for fast speed and directional changes under load. 1 Operator's compartment — designed to maximize operator comfort and productivity, excellent visibility single- or dual-lever dozer eontrol, new dash with fixel ‘gauge, lever- or pedal-steer options, new seat with adjustable arm rest 1 Total Customer Support System — Support that continues long after the initial sale, D4C SERIES II TRACK-TYPETRACTOR Cat 3204 NA diesel engine Gross power. . 64 kW/86 HP Flywheel power. a 0 kW/80 HP. Operating weight ‘Standard machine . 7557 kg/16,661 Ib LGP arrangement. 7905 kg/17,427 Ib Blade capacity Standard machine . LGP arrangementFEATURES Power Train Components designed to give performance and reliab Cat 3204 Engine Torque converter provides shifting, while cushioning the torque multiplication for maxi-_drive train from shock loads, mum drawbar eapability. The a converter responds to changing load conditions for reduced m Large displacement results in lower pressures in the cylinders for longer engine life. 1 Scroll fuel system — Cat injection system utilizes high pressure and specialized injec- tion nozzles to provide efficient fuel combustion, Adjustment free pump and valves, Power Shift ‘Transmission lm Fast speed changes. 1M Simple U-shaped shift pattern. mM Planetary design balances Ioads and stress over multiple gears, assuring long life. @ Perimeter-mounted clutches Batfied provide superior heat dissipation breathers for long service life. Long bolts with spacers Thick conter plate Standard single-lever dozer control actuates raise, lower and tilt angles. Two-lever control optional. Mt Matched hydraulic valves and improved hydraulic control reduces lever effort and improves modulation and control i Powerful hydraulics provide excellent down foree, digging power and blade load control. 1m Power Angle and Tilt blade versatility is designed for all types of work from finish grading to production dozing, mt Power Angle and Tilt blade is standard with mechanical pitch adjustment. The blade pitch i Lubrication points are located Ml Large, box-section C-frame angle can be changed manually, dial dae here ebirael nd four minfoveertient cell incritical areas where abrasive and four reinforcement cells (box 4 Lae forward, by tKe wear could affect the dozer sections) in the blade provide operator. serviee life maximum durability.D4C terpillar® undercarriage is designed with quality built in fo 7 c Undercarriage iit long wear i Box-section track roller abrasive and high impact DAC underearriage features frames resist bending and conditions, the machine benefits have become the industry stan. twisting for excellent structural from: dard with Sealed and Lubricated integrity and roller frame © Larger links. ‘Track, Lifetime Lubricated idlers alignment. Added bushing material and and track rollers, split master Sealed and Lubricated Track hardened depth. aaa self-locking track PLT naa Ane eon e ao @ Increased hardened depth on “nme bushing wear for longer under- fee carriage life Series undercarriage improvements have proven successful in increasing under- carriage life and reducing main- tenance costs, In extremely Segmented sprockets © Replaceable end guiding wear ‘Segmented ‘sprocket Lifetime Lubricated track roller Track Soltiocking Sealed and Litetime Split master bushing track hardware Lubricated Track Lubricated link Idler Mowe GrGund i itereartinse destined for snore tran suefles ares’on the ‘ground and Pressure reduced ground pressure. i Low Ground Pressure (LGP) undercarriage is designed to work in sloppy conditions, and improve finish dozing and sloping capabilities, il Wide track shoes, long track roller frame and wider track gauge combine to increase track contact area, reduce ground pressure for high flotation and excellent stability @ End track guiding guards keep track aligzned and prevent slipping or throwing track in mud and side-slope work. Full- length guards are available for severe side-slope applications, 1 Caterpillar LGP track shoes. © Self-cleaning shoes, 635 mm/ Peart eee 25", available for improved from heat-treated cast steel, performance in, cohesive 635 mm/25", are standard. material and reduced build-up between shoes,FEATURES z Comfort and convenience designed into the control station for an efficient Operator's Station and productive operator. Bi Two steering control choices two-pedal design is standard and optional hand levers are avail- able to meet individual operator needs, 1 Decelerator pedal allows the operator to control engine speed while freeing hands for transmis- sion and dozer controls, 1 Single-lever dozer control puts all blade functions on one control for improved efficiency. ‘Two lever control is also available. 1 Large adjustable armrests Standard gauge package 1 Walk-through operator and suspension seat provide includes fuel, coolant tempera- compartment provides ¢ increased operator comfort. ture, engine oil pressure and entry and exit @ Excellent visibility for transmission oil temperature optimum operator performance gauges. and comfort, Optional eab with sound suppression improves operate environment.D4C ‘SERIES Il Serviceability tess time spent on maintenance, allows more time for production. W Fast, easy adjustment of standard, oil-cooled brakes. Adjuster conveniently located under operator seat. 1 Split master link simplifies track work. M Segmented sprocket — replace worn sprocket teeth without breaking track. Ml Hinged doors allow easy access for routine maintenance for fast removal and installation. 1 Grouped service points mean less time spent on maintenance. ™ Convenient, spin-on fluid filters vertically mounted for reduced oil spillage. Total Customer Support support that continues long aft r the initial sale, 1 There's strength in numbers with over 570 Cat dealer stores in North America interconnected with each other and Caterpillar through powerful computer systems, ‘© Many North American Cat dealers can locate and trade new machine inventory with each other to quickly satisfy a customer's need, ‘© Downtime is reduced by having service articles and important repair recommenda- tions from Caterpillar on line at most North American Cat dealerships. l The Dealer Used Equipment System (DUES) links partici- pating Cat dealers together in nationwide network © Cat dealers ean list and locate any available used equipment and attachments almost anywhere within North ‘America and Europe. Dealers can advertise and sell their customer's used equip- ‘ment on consignment nation- wide m Parts availability — Most Cat parts are immediately available off the shelf, Dealer parts availa- bility is backed by Cat's com- puter-controlled, emergency search system, 1 Service capability —Whether in the dealer's fully equipped shop or in the field, you'll get trained service people using the latest technology and tools. ™ Machine management services — Cat dealers help manage equipment investments with: ‘© Custom Track Service ‘© Effective preventive mainte- nance programs. © Diagnostic programs like Scheduled Oil Sampling and ‘Technical Analysis. ‘@ Information to make the most cost-effective repair option decisions. © Customer meetings, training for operators and mechanics. Exchange components and remanufactured parts for quick repairs — low-cost components assure maximum, cost-effective uptime. WM Literature support —Easy-to- ‘use operation and maintenance guide helps you get the full value out of your equipment invest ment,SPECIFICATIONS Caterpillar Engine Gross power (PS) @ 2400 RPM ... Flywheel power (PS) @ 2400 RPM .. (Kilowatts (kW) is the International System of Units equivalent of horsepower) 1 power at the fiychecl of the vehicle engine is based on SAE INSS standard conditions of 25 /77F and 100 KPa “ig. Posser ie based on using 35 API(15.6°C/60P) gravity (18,890 Build) when used 20, uel having an LEV of 42 780 he 1120.4 C185 Fond witha density 838,94 /L.(7.001 16/U.S. a). Power rating iscdjusted for vebicieeguipped with fan, cr cleaner: water pump, fuel plump, muffler and lubricating otl pump. No Alerting is required up o 2800 m | 7500 ft. atvtude. These additional ratings also apply at 2400 RPM W HP ISO 1585... 60. 80 180 3046-1 64 86 BEC 80/1269 . 60 80 DIN 6271/1 (Gross) «0. 64 86 DIN 6271/1 (ilywheel) eee 60 80 Caterpillar four-stroke-cyele, 3204 diesel engine with foureylinders, 114 mm/4.5" bore, 127 mnv5.0" strokeand 5.2 liters/$18 eu. in. displacement. Directinjection fuel system with individual, adjust- ment-free injection pumps and valves. Cam-tumed and tapered, aluminum-allay pistons have tworings each. Steel-backed, copper-bonded, aluminum bearings. Hardened crankshaft journals, Pressure lubrication with fulllow filtered and cooled oil. Dry- type air cleaner with primary and secondary elements, Direct-electrie, 12-volt starting system with 40-amp alternator Decelerator pedal provides inereased dozing control and smooth directional and shift changes. Steering and Braking (Braking system meets SAE J1026 JUNS2 recommended practice.) Cil-cooled, spring-actuated, hydraulically released, multiple-dise clutches and self-energizing brake band. Series I two-pedal design allows operator to depress both pedals at the same time to brake both tracks together. Mechanically activated parking brake can lock one or both tracks. Toggle switch on dash, in conjunetion with foot pedal(s) depressed, activates parking brake. Final Drive Coarse-pitch, crown-shaved, single-reduction, spur gear final drive. Transmission Planetary powershift with threespeedsforward, three reverse. High-torque capacity oil clutches permit fast speed and direction changes. Single-stage torque converter integral with powershift transmission, Travel speeds at rated engine RPM: Ist 2nd ard Forward Km/h, a2 60 1d ‘MPH. en ar a) Reverse Km/h 34 6.5 119 MPH. RL 4.000 Th Drawbar Pull vs. Ground Speed peat ‘enti pul mapa pen nag reaction equ ac. Sealed and Lubricated Track led and Lubricated Track surrounds the track. pin with lubricant to eliminate internal pin and bushing wear. Lubricant is held in place by a sealing arrangement consisting ofa polyurethane seal, a rubber load ring and a thrust ring. Additional lubricant is contained in a reservoir drilled into the track pin. Ex- ‘tends underearriage maintenance intervals and reduees, costs, Hydraulic track adjusters and two-piece master ink standard.Track Roller Frame Non-oscillating, box-section construction. Life- time Lubricated rollers and idlers. ‘Number of rollers (each side) 6 Standard LGP. ‘Number of shoes (each side) . 39. 39 Width of standard shoe (single grouser) 406 mm/16" 635 mm/25" optional shoe elf cleaning) = 635 mm/25" Length of track on ground vw 2055 mm/80.9" 2055 mm/80.9" Gauge 1420 mm/56" 1650 mm/65" Ground contact area with standard shoe 406 mm/16" 0 1.67 m'/2589 in? 2.61 m°/4045 in* optional sh 635 mm/25" Ground pressure standard shoe = 2.61 m"/4045 in? 44.4 kPaJ.44 bar) 29.7 kPa’ .30 bar! 6.44 psi 4.31 psi optional shoe self-cleaning 635 MMB cn - 29.7 kPa/.30 bar! 4.31 psi ROPS ROPS Canopy is required in U.S.A. ROPS (Rollover Protection Structure) offered by Caterpillar for this machine meets ROPS criteria SAK, J395, SAE J1040 APR88 and ISO 3471-1986. It also meets FOPS (Falling Object Protective Structure)criteria SAE J231 JANSI and ISO 3449-1984. Cab When properly installed and maintained, cab offered by Caterpillar when tested with doors and windows closed according to ANSUSAE J1166 JUL, 87, meets OSHA and MSHA requirements for operator sound exposure limits ineffectat the time of manufacture. (Not compatible with hand lever steer.) D4C SERIES II Hydraulic Controls Single-section gear pump. System is protected to keop out dirt and includes a full-flow filter. Operating valves are spring-centered, double-spool type. Lines are steel tubing and Cat's XT hose and couplings with flared tube connections, Complete system consists of pump, tank, filter, valves, lines, linkage and actuating levers. Hydraulic systems include: ‘Three valve (standard) Power Angle and Tilt bulldozer Four valve (optional) Power Angle and Tilt bulldozer and rear implement Pump: Output @ 6895 kPa/69 bar/1000 psi. 56 liters/mi 14.5 gpm 2640 5 kPa/172 bar/2500 psi Geared from engine timing RPM @ rated engine speed Relief valve setting ......17 Drive (constant power) gear train Control positions: Lifteylinders Raise, lower, hold, float Tilt eylinder Left, right, hold Angle evlinders ... -Left, right, hold Ripper cylinder... Raise, hold, lower bo Weight (approximate) Standard LeP. Shipping weight with coolant, lubricants and 10% fuel 6005 ke 6273 ke/ 13,239 Ib 13,830 Ib Operating (includes coolant, lubricants; full fuel tank; operator; ROPS canopy: PAT dozer ‘TS57 kg 7905 ke/ 16,661 Ib 17,427 Ib 7] Service Refill Capacities us. Liters Gallons Fuel tank ssconnnnnn - 1 BLO Cooling system 20 53 Crankease orn 1 2 32 ‘Transmission: m8 7A Bevel gear case 15 4 Final drives (each) Standard 24 LGP. 32 Hydraulic tank... 15 Steering brakelelutch ‘compartment (each) 28 74Power Angling and Tilt 4P Dozer makes it easy to grade, backfill ditches, landscape or spread fill. You ean angle it 25 left or right. Tilt it 8-1/2. A single lever actuates the raise, lower and tilt angles of the dozer blade. Lange capacity enhances productivity in spreading and backfilling applications, Complete bulldozer consists of multiple box-seetion, heat treated moldboard, inside-mounted push arms, trun- nions, lift eylinders, brackets, DH-2 steel cutting edges and end bits. Hydraulic controls are required but not included with bulldozer Manually adjustable itch — 4 back, 2 forward. Bulldozer Specifications Overall | Overall Weight Length Width (without (tractor | (tractor Digging | Litt [Maximum) hydraulic Blade | Capacity |wfhulldozer) | w/bulldozer)) Height | Depth | Height | Tilt | controls) mi yd [mm | mm [mm in [mm in |mm in mm in | kg Ib Straight | 1.58 2.06 | s880 12'9" | 2540 8'4" | 930 36.6"| 440 17.3") 780 30.7" 973 14.7" 1153 2587 Standard Angled 25° 4380 14'4" | 2300 7% [ Lee Straight | 1.66 2.16 | 4070 134"| 2260 108") 810 33.1" 841 83.1") 480 18,9"|1281 2818) AngledTilt 4720 156" | 2950 9% = Dimensions (approximate) Ground clearance .... .294 mm/11.6" Width without blade (standard) 1828 mm/6'0" For shipping dimensions, add 51 mm/2" vertical —_ Width without blade (LGP) .. dimensions to allow for grouser height. 2290 mmv/7'6" “ar oon Tet woe ssomee 9 cy | | bee ee (ee — apeD4C ‘SERIES II Air cleaner, dry-type. Alternator, 40-amp. Blower fan, Counterweight, idler mounted. Grankease guard. Decelerator. Direct-eloctric, 12-volt starting. Engine enclosure. Gauges, four dash mounted, including fuel Horn, Hydraulic controls, 3 valves, ‘single lever dozer control. Instrument panel lights. n Standard Equipment NOTE: Standard and optional equipment may vary. Consult your Caterpillar dealer for specifics. Lifetime Lubricated rollers and idlers. Muffler. Oil-eooled steering clutches and brakes, Pedal steering, two. Precleaner. Pull hook, front. Radiator grill, hinged, Retrieval hitch. Suspension seat with seat belt. Segmented sprocket. ‘Track: Adjusters, hydraulic, End guiding guards. Roller frame, 6 roller (Standard). Sealed and Lubricated, two-piece master links. Standard, 39-section. LGP, 39-section. Shoes, single grouser: Standard, 406 mm/16" (39) LGP, 635 mm/25" (39) ‘Transmission, planetary power shift; three speeds forward, three reverse. n° nal equipment (with approximate change in operating weight) Back up alarm, required in U.S.A. Battery, heavy-duty 7 Bulldozers: Power Angle and Tilt, inside ‘mounted arms, 1.58 m’/2.06 ya, standard machine... 1.66 m'/2.16 ya, LGP machine... : Cab, ROPS and mounting, includes air pressurizer, air filter, heater, front and rear windshield wipers and washers, rearview mirror, key locks and 75 amp alternator .. Canopy, ROPS and mounting, includes rearview mirror Counterweights: Front mounted. Idler mounted (LGP only) Drawbar, swinging .. Engine coolant heater... Ether starting aid... Kg Lb Kg Lb 2 4 23 5 inged, heavy-duty... 7 16 Track guiding, center nnn 68149 Hydraulic arrangement: 4 valves, 2 lever dozer control 10 22 1153-2587 Lighting system —2 front, 1 rea 9 20 Pump, fuel priming... wn AB 1 1281 -2818__Rear power take-off drive 18 39 Ripper (includes 3 teeth and hydraulic eylinder) sven 250 BBL Ripper teeth, additional, each 45 10 Rock deflector rr 30 608 1840 Screens (for use with ROPS canopy): Rear. 50 uo 377-881 Side. a : 67 M8 Steering, hand eluteh/brake .. i 16 454 1000 Sweep, logging 1 156 136 300 _—Tracks, 39-section (LGP) 59 130635 mmy/25" self-cleaning www 202 446 14 3. Winch, model 53. 433955 27 6D4C TRACK-TYPE TRACTOR — ‘SERIES II The Competitive Edge Performance @ Balanced weight with increased track on ground. # Precise, well-modulated dozer controls. # Versatile Power Angle and Tilt blade with ad- justable piteh for increased productivity. @ Planetary power shift transmission provides fast speed changes, effortless shifting, smooth accelera- tion and reliability. # High displacement-to-power ratio gives powerful performance and long life. Reliability / Durability © Box-section track roller frames twisting. Sealed and Lubricated Track reduces wear between pin and bushing. @ Material added to links to increase structural strength, © Deep-hardened rollers and idlers. © Shoes with high surface hardness for good wear resistance. © Shoes designed to reduce entry of material into the sprocket root/bushing contact area. © Transfer of power from engine to transmission through torque converter cushions transmission from shock loads. ist bending and Maintenance / Repair © No daily maintenance. @Hinged doors allow easy access for routine maintenanee checks and reduced time to remove and install major components # Spin-on fluid filters forservicing-convenienee with vertical placement for clean changes. Reduced number of lubrication points — accessible. © Segmented sprocket for fast, easy replacement of sprocket teeth without breaking track @ Fast, easy adjustment of brakes with adjuster conveniently located under kickplate below operator seat. ily ‘AEHQ9349 (11-90) (Replaces AEHQ0404) Operating Ease © Walk-through design for easy entry and exit, @ Excellent visibility. Controls and levers designed and located for operator comfort and efficieney. Low pedal effort. © Decelerator provides more precise control. ‘© Pedal steering frees operator's hands for trans: mission and blade control. ‘© Optional hand lever steering with a foot brake. Total Customer Support System © Parts availability —most Cat parts on dealer's shelf when you need them — computer-eontrolled, emer geney search system back-up. ‘# Service capability — dealer's shop or fast field ser- vice trained service people — latest tools and tech- nology. Machine management services — effective pre- ventive maintenance programs, diagnostic programs (Scheduled Oil Sampling, Technical Analysis), eost- effective repair options, customer mectings, operator and mechanic training, © Exchange components for quick repairs—choose remanufactured products or rebuilt components for maximum availability and lower costs, © Literature Support — easy-to-use operation and maintenance guide helps you get the maximum value out of your equipment. Flexible Finaneing — your dealer can arrange at- tractive financing on the entire line of Cat equipment, ‘Terms structured to meet your cash flow require- ments. See how affordable and easy it is to own Cat equipment, Custom Products @ In addition to the standard range of optional equip- ment, special attachments and machine configura. tions to suit particular customer applications can be made. Contact your Caterpillar dealer for details on matching the D4C Series IT to your special application, CATERPILLAR