Cat D3K2 / D4K2 / D5K2
Maintenance & Service

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Parts Reference Guide

* Download the D3K2 / D4K2 / D5K2 Small Dozer Parts Reference Guide document.

Standard Maintenance Greases

Previous Cat Product Name Cat Ultra5 Moly Number 1 Cat Ultra Moly  Number 2  Cat Advanced 3 Moly
Current Cat Product Name Cat Extreme Application Grease 1 Cat Extreme Application Grease 2 Cat Prime Application Grease
Grade (NLGI) 1 2 2
Melting Point C° (F°) 260 (500) 260 (500) 260 (500)
Ambient Temperature C° (F°) -35 to +40 (-31 to +104) -30 to +50 (-22 to +122) -20 to +40 (-4 to +104)
Base Oil Type Mineral Mineral Mineral
Color Dark Grey Dark Grey Dark Grey
Cartridge (390 g/14 oz) 452-5996 452-6001 452-6006
Plastic Pail (5 kg/11 lb) - - -
Plastic Pail (16 kg/35 lb) 452-5999 452-6004 452-6009
Keg (55 kg/120 lb) 452-5998 452-6003 452-6008
Drum (180 kg/400 lb) 452-5997 452-6002 452-6007

 

Greases For Unique Applications And Environments

Previous Cat Product Name Cat Arctic Platinum Cat Desert Gold Cat Multipurpose Hammer Paste
Current Cat Product Name Cat Extreme Application Grease - Arctic Cat Extreme Application Grease - Desert Cat Utility Grease
Grade (NLGI) 0 2 2 2
Melting Point C° (F°) 230 (446) 280 (536) 260 (500) 230 (446)
Ambient Temperature C° (F°) -35 to +40 (-31 to +104) 30 to +50 (-22 to +122) -30 to +40 (-22 to +104) -20 to +1100 (-4 to +2012)
Base Oil Type Semi-Synthetic Mineral Mineral Mineral
Color Dark Grey Dark Grey Blue Bronze
Cartridge (390 g/14 oz) - 452-6016 452-6011 130-6951 (standard) 317-8491 (autolube)
Plastic Pail (5 kg/11 lb) - - - 133-8807
Plastic Pail (16 kg/35 lb) 508-2187 452-6019 452-6014 -
Keg (55 kg/120 lb) 508-2186 452-6018 452-6013 -
Drum (180 kg/400 lb) 508-2185 452-6017 452-6012 -
Part Description Part Number Quantity
Standard Battery 115-2422 2

Planned Maintenance 

Small Dozers Every 500 Hours
Cabin Air Engine Oil / Filter Change
Sales Model Serial Number Prefix Fresh Air Element Recirculating Element AC Recirculating Element No AC Filter Oil Quantity- Liter (Gallon) DEO-ULSTM
D3K2, D4K2, D5K2 KF2, KL2, KM2, KR2, KW2, KY2, JPJ, RRE 443-4037 443-2127 443-2127 7W-2326 11 (2.9)
D3K2, D4K2, D5K2 FT3, LT3, MT3, RT3, WT3, YT3
D3K2, D4K2, D5K2 KFF, KLL, KMM, KRR, KWW, KYY, GAE, TRF 209-8217 266-7765 121-2761

 

Small Dozers Every 500 Hours (Continued)
Air Filter Fuel Filter Change
Sales Model Serial Number Prefix Primary Element Secondary Element In-Line Element Primary Element Secondary Element
D3K2, D4K2, D5K2 KF2, KL2, KM2, KR2, KW2, KY2, JPJ, RRE 346-6687 346-6688 525-6205 479-4133 360-8960
D3K2, D4K2, D5K2 FT3, LT3, MT3, RT3, WT3, YT3 - 439-5037 360-8960 (Quantity: 2)
D3K2, D4K2, D5K2 KFF, KLL, KMM, KRR, KWW, KYY, GAE, TRF 525-6205 479-4133 360-8960
Small Dozers Every 1500 Hours
Hydraulic Filter Change DEF Filter Engine Crankcase Drive Belt
Sales Model Serial Number Prefix Filter Element Filter Element Winch Filter Breather Element Kit D3K2 D4K2 & D5K2
D3K2, D4K2, D5K2 KF2, KL2, KM2, KR2, KW2, KY2, JPJ, RRE 421-5481 421-5479 495-1507 339-1048 w/ AC 261-0370 |
w/out AC 365-2968
w/ AC 369-1107 |
w/out AC 289-3260
D3K2, D4K2, D5K2 FT3, LT3, MT3, RT3, WT3, YT3 - -
D3K2, D4K2, D5K2 KFF, KLL, KMM, KRR, KWW, KYY, GAE, TRF 348-1861 348-1862 - 339-1048
Small Dozers Every 2000 Hours
Final Drive Change Winch Oil Change
Sales Model Serial Number Prefix Oil Quantity - Liter (Gallon) TDTO Oil Quantity - Liter (Gallon) TDTO
D3K2, D4K2, D5K2 KF2, KL2, KM2, KR2, KW2, KY2, JPJ, RRE 10 (2.6) Per side 19 (5)
D3K2, D4K2, D5K2 FT3, LT3, MT3, RT3, WT3, YT3
D3K2, D4K2, D5K2 KFF, KLL, KMM, KRR, KWW, KYY, GAE, TRF
Small Dozers Every 3000 Hours
Hydraulic Tank Hydraulic Oil
Sales Model Serial Number Prefix Breather Element Oil Quantity - Liter (Gallon)
Hydo Adv
D3K2, D4K2, D5K2 KF2, KL2, KM2, KR2, KW2, KY2, JPJ, RRE 9R-9925 (Quantity: 2) 50 (13.2)
D3K2, D4K2, D5K2 FT3, LT3, MT3, RT3, WT3, YT3
D3K2, D4K2, D5K2 KFF, KLL, KMM, KRR, KWW, KYY, GAE, TRF

Technical Specifications

* Dimensions listed may vary depending on machine configuration.

WEIGHTS

Sales Model Serial Number Prefix Operating Weight - XL Operating Weight - LGP Operating Weight - LGP
30in/ 762mm
D3K2 KFF, KLL, GAE 17,544 lb 7958 kg 18,525 lb 8403 kg 18,980 lb 8609 kg
KF2, KL2 17,465 lb 7922 kg 18,442 lb 8365 kg 18,896 lb 8571 kg
FT3, LT3 17,004 lb 7713 kg 17,996 lb 8163 kg - -
Sales Model Serial Number Prefix Operating Weight - XL Operating Weight - LGP
D4K2 KMM, KRR 18,080 lb 8201 kg 18,761 lb 8510 kg
KM2, KR2 18,007 lb 8168 kg 18,686 lb 8476 kg
MT3, RT3 17,796 lb 8072 kg 18,475 lb 8380 kg
Sales Model Serial Number Prefix Operating Weight - XL Operating Weight - LGP Operating Weight - LGP
30in/ 762mm
D5K2 KWW, KYY, TRF 20,534 lb 9314 kg 21,266 lb 9646 kg 21,716 lb 9850 kg
KW2, KY2, JPJ, RRE 20,313 lb 9214 kg 20,992 lb 9522 kg 21,442 lb 9726 kg
WT3, YT3 20,084 lb 9110 kg 20,763 lb 9418 kg - -

DIMENSIONS

Sales Model Serial Number Prefix Ground Pressure - XL Ground Pressure - LGP Ground Pressure - LGP
30in/ 762mm
D3K2 KFF, KLL, GAE 6.2 psi 42.8 kPa 4.2 psi 30.0 kPa 3.6 psi 24.8 kPa
KF2, KL2
FT3, LT3 6.6 psi 45.5 kPa 4.5 psi 31.0 kPa - -
Sales Model Serial Number Prefix Ground Pressure - XL Ground Pressure - LGP
D4K2 KMM, KRR 5.6 psi 38.6 kPa 4.2 psi 29.2 kPa
KM2, KR2
MT3, RT3
Sales Model Serial Number Prefix Ground Pressure - XL Ground Pressure - LGP Ground Pressure - LGP
30in/ 762mm
D5K2 KWW, KYY, TRF 5.6 psi 38.6 kPa 4.5 psi 31.1 kPa 3.93 psi 27.1 kPa
KW2, KY2, JPJ, RRE
WT3, YT3
- -

ENGINE

Net Power at 2,200 rpm

Sales Model Serial Number Prefix SAE J1349 ISO 9249/EEC 80/1269
D3K2 KFF, KLL, GAE 80 hp 59.7 kW 80 hp 59.7 kW
KF2, KL2
FT3, LT3 74 hp 55.2 kW 74 hp 55.2 kW
Sales Model Serial Number Prefix SAE J1349 ISO 9249/EEC 80/1269
D4K2 KMM, KRR 92 hp 68.8 kW 92 hp 68.8 kW
KM2, KR2
MT3, RT3 84 hp 62.6 kW 84 hp 62.6 kW
Sales Model Serial Number Prefix SAE J1349 ISO 9249/EEC 80/1269
D5K2 KWW, KYY, TRF 104 hp 77.6 kW 104 hp 77.6 kW
KW2, KY2, JPJ, RRE
WT3, YT3 96 hp 71.6 kW 96 hp 71.6 kW
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