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| Make | CATERPILLAR |
| Model | 844K Tier4f (S/N M4R00001 - Up) (Wheeled Bulldozers) |
| Engine | DT |
| Year | 2021- |
Application |
Recommendation |
Capacity (gal) |
|
|---|---|---|---|
|
Engine (DT) (Cat C27; 27.03L, 561kW)
|
FS SUPREX GOLD ESP SYNTHETIC BLEND 10W-30 (a, b) |
19.8
|
|
|
Transmission (Powershift)
|
FS UNI-DRIVE TO-4 FLUID 30 (c, d, e, f, g) |
29.1
|
|
|
Coolant
|
FS EXTENDED LIFE 50/50 PRE-DILUTED NOAT COOLANT/ANTIFREEZE (RED) (h) |
54.9
|
|
|
Hydraulics (Implement & Hydraulic Fan)
|
FS HD PREMIUM OFF-ROAD HYDRAULIC 10W (i, j, k, l, m) |
68.9
|
|
|
Hydraulics (Steering & Brakes)
|
FS HD PREMIUM OFF-ROAD HYDRAULIC 10W (n, o, p, q, r) |
34.9
|
|
|
Grease Points
|
FS SPECTRA LUBE GREEN SEMI-SYNTHETIC GREASE (s) |
|
|
|
Air Conditioning Compressor (R-134a)
|
|
||
|
Centralised Lubrication System (Autolube)
|
FS SPECTRA LUBE GREEN SEMI-SYNTHETIC GREASE (t) |
|
|
|
Front Differential & Final Drive
|
FS UNI-DRIVE TO-4 FLUID 50 (u, v, w, x, y) |
70.5
|
|
|
Front Differential & Final Drive (Hydraulic Oil Additives)
|
1.06
|
||
|
Rear Differential & Final Drive
|
FS UNI-DRIVE TO-4 FLUID 50 (z, ba, bb, bc, bd) |
67.9
|
|
|
Rear Differential & Final Drive (Hydraulic Oil Additives)
|
1.06
|
||
Oil Change Intervals
Engine (DT) (Cat C27; 27.03L, 561kW)
| Months Max | 6 |
| Hours Max | 500 |
Transmission (Powershift)
| Months Max | 12 |
| Hours Max | 1000 |
Coolant
| Hours Min | 6000 |
| Hours Max | 12000 |
Hydraulics (Implement & Hydraulic Fan)
| Months Max | 12 |
| Hours Max | 2000 |
Hydraulics (Steering & Brakes)
| Months Max | 12 |
| Hours Max | 2000 |
Front Differential & Final Drive
| Months Max | 12 |
| Hours Max | 2000 |
Front Differential & Final Drive (Hydraulic Oil Additives)
| Months Max | 12 |
| Hours Max | 2000 |
Rear Differential & Final Drive
| Months Max | 12 |
| Hours Max | 2000 |
Rear Differential & Final Drive (Hydraulic Oil Additives)
| Months Max | 12 |
| Hours Max | 2000 |
Lubricant / Capacity Notes
| a. | 0°F to 104°F |
| b. | Alternative recommendations, 14°F to 122°F: FS SUPREX GOLD ESP 15W-40 PREMIUM HEAVY DUTY ENGINE OIL |
| c. | 32°F to 95°F |
| d. | Alternative recommendations, -4°F to 109°F: TF CAT TDTO TMS |
| e. | Alternative recommendations, -4°F to 50°F: FS UNI-DRIVE TO-4 FLUID 10W |
| f. | Alternative recommendations, 32°F to 95°F: FS UNI-DRIVE TO-4 FLUID 30 |
| g. | Alternative recommendations, 50°F to 122°F: FS UNI-DRIVE TO-4 FLUID 50 |
| h. | Mix ratio, 50% >-37°C |
| i. | -4°F to 104°F |
| j. | Alternative recommendations, -22°F to 113°F: HY CAT BIO HYDO 46 |
| k. | Alternative recommendations, -4°F to 104°F: FS UNI-DRIVE TO-4 FLUID 10W; FS SUPREX GOLD ESP SYNTHETIC BLEND 10W-30 |
| l. | Alternative recommendations, 5°F to 122°F: TF CAT TDTO TMS |
| m. | Alternative recommendations, 32°F to 122°F: FS HD PREMIUM OFF-ROAD HYDRAULIC 30 |
| n. | -4°F to 104°F |
| o. | Alternative recommendations, -22°F to 113°F: HY CAT BIO HYDO 46 |
| p. | Alternative recommendations, -4°F to 104°F: FS UNI-DRIVE TO-4 FLUID 10W; FS SUPREX GOLD ESP SYNTHETIC BLEND 10W-30 |
| q. | Alternative recommendations, 5°F to 122°F: TF CAT TDTO TMS |
| r. | Alternative recommendations, 32°F to 122°F: FS HD PREMIUM OFF-ROAD HYDRAULIC 30 |
| s. | Alternative recommendations: FS SPECTRA LUBE GRAY GREASE |
| t. | Alternative recommendations: FS SPECTRA LUBE GRAY GREASE |
| u. | 14°F to 122°F |
| v. | Alternative recommendations, -13°F to 72°F: TF CAT TDTO TMS |
| w. | Alternative recommendations, -13°F to 32°F: FS UNI-DRIVE TO-4 FLUID 10W |
| x. | Alternative recommendations, -4°F to 68°F: FS UNI-DRIVE TO-4 FLUID 30 |
| y. | Alternative recommendations, 14°F to 122°F: FS UNI-DRIVE TO-4 FLUID 50 |
| z. | 14°F to 122°F |
| ba. | Alternative recommendations, -13°F to 72°F: TF CAT TDTO TMS |
| bb. | Alternative recommendations, -13°F to 32°F: FS UNI-DRIVE TO-4 FLUID 10W |
| bc. | Alternative recommendations, -4°F to 68°F: FS UNI-DRIVE TO-4 FLUID 30 |
| bd. | Alternative recommendations, 14°F to 122°F: FS UNI-DRIVE TO-4 FLUID 50 |