6F0307 KEY Caterpillar parts
120, 120B, 12E, 140, 140B
Rating:
Alternative (cross code) number:
CA6F0307
6F-0307
6F0307
CA6F0307
6F-0307
6F0307
Weight: 0.05 pounds 0 kg.
Information:
ENDS
TURN CHAMFER
LENGTH
44.45
mm
SQUARE WIDTH
7.89
mm
MOTOR GRADER,
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Information:
Jacket Water Aftercooling
Illustration 1 g06102104
(1) Active vents
(2) Water-cooled turbos
(3) Turbo water supply
(4) Turbo water return (Marine & Petro only)
(5) Radiator or heat exchanger
(6) Electronic Thermostat (ESTAT) for the jacket water cooling system
(7) Temperature Control Module (TCM)
(8) Jacket Water Aftercooler (JWAC) (front aftercooler core)
(9) Engine block
(10) Jacket water pump
(11) Engine oil coolerCoolant is pulled from radiator or heat exchanger (5) to water pump (10). From the water pump, coolant is sent through engine oil cooler (11). From the engine oil cooler, the coolant is sent to engine block (9). From the engine block, coolant is sent to ESTAT (6) and to the jacket water passage of the aftercooler (8). From the JWAC the coolant is sent to turbo water supply line (3) and to the water-cooled turbos (2). The coolant from the turbos is sent to the radiator through an active vent line (1) while the remainder is sent to JWAC (8) through turbo water return line (4) (In Marine & Petro Only). The ESTAT regulates the amount of coolant that flows through the radiator or heat exchanger to control engine temperature. The engine coolant that does not flow through the radiator is bypassed directly to the inlet of the jacket water pump.Coolant flows from the engine oil cooler into the water jacket at the front of the engine block. The coolant is directed toward the rear of the block through distribution manifolds. The distribution manifolds distribute the coolant to the water jacket for each cylinder. The coolant flows upward through the water jackets and around the cylinder liners. This area has the highest temperatures. As the coolant flows to the top of the cylinder liners, the coolant encounters a restriction due to smaller passages. The restriction causes the coolant flow to increase for improved cylinder liner cooling. Coolant flows from the top of the liners into passages that are cast into each of the cylinder heads. The coolant flows from the cylinder head back into the block and is returned to the front of the engine. As the coolant exits the front of the engine block, the coolant is directed through piping to the ESTAT and the after cooler core. Then the coolant is directed to the water-cooled turbo through the turbo water supply lines which removes the heat from turbos, from which it is routed to the radiator through the active vent lines. Due to the restriction of the piping and after cooler core, a larger portion of the coolant flows to the ESTAT. The return coolant from the core is piped into a tee at the ESTAT.
Illustration 2 g06104429
(12) Three-way valve
(13) Electronic Fluid Temperature Control (EFTC)
(14) Stepper motorThe ESTAT utilizes a 3-way valve (12) that is electronically controlled by EFTC (13) to distribute the flow of the engine coolant. Engine temperate is inlet sensed by the engine jacket water pump outlet temperature sensor and outlet regulated by the EFTC to the radiator / heat exchanger. The outlet flow of coolant is directed by a piston that rides on
Illustration 1 g06102104
(1) Active vents
(2) Water-cooled turbos
(3) Turbo water supply
(4) Turbo water return (Marine & Petro only)
(5) Radiator or heat exchanger
(6) Electronic Thermostat (ESTAT) for the jacket water cooling system
(7) Temperature Control Module (TCM)
(8) Jacket Water Aftercooler (JWAC) (front aftercooler core)
(9) Engine block
(10) Jacket water pump
(11) Engine oil coolerCoolant is pulled from radiator or heat exchanger (5) to water pump (10). From the water pump, coolant is sent through engine oil cooler (11). From the engine oil cooler, the coolant is sent to engine block (9). From the engine block, coolant is sent to ESTAT (6) and to the jacket water passage of the aftercooler (8). From the JWAC the coolant is sent to turbo water supply line (3) and to the water-cooled turbos (2). The coolant from the turbos is sent to the radiator through an active vent line (1) while the remainder is sent to JWAC (8) through turbo water return line (4) (In Marine & Petro Only). The ESTAT regulates the amount of coolant that flows through the radiator or heat exchanger to control engine temperature. The engine coolant that does not flow through the radiator is bypassed directly to the inlet of the jacket water pump.Coolant flows from the engine oil cooler into the water jacket at the front of the engine block. The coolant is directed toward the rear of the block through distribution manifolds. The distribution manifolds distribute the coolant to the water jacket for each cylinder. The coolant flows upward through the water jackets and around the cylinder liners. This area has the highest temperatures. As the coolant flows to the top of the cylinder liners, the coolant encounters a restriction due to smaller passages. The restriction causes the coolant flow to increase for improved cylinder liner cooling. Coolant flows from the top of the liners into passages that are cast into each of the cylinder heads. The coolant flows from the cylinder head back into the block and is returned to the front of the engine. As the coolant exits the front of the engine block, the coolant is directed through piping to the ESTAT and the after cooler core. Then the coolant is directed to the water-cooled turbo through the turbo water supply lines which removes the heat from turbos, from which it is routed to the radiator through the active vent lines. Due to the restriction of the piping and after cooler core, a larger portion of the coolant flows to the ESTAT. The return coolant from the core is piped into a tee at the ESTAT.
Illustration 2 g06104429
(12) Three-way valve
(13) Electronic Fluid Temperature Control (EFTC)
(14) Stepper motorThe ESTAT utilizes a 3-way valve (12) that is electronically controlled by EFTC (13) to distribute the flow of the engine coolant. Engine temperate is inlet sensed by the engine jacket water pump outlet temperature sensor and outlet regulated by the EFTC to the radiator / heat exchanger. The outlet flow of coolant is directed by a piston that rides on
Caterpillar parts catalog:
Parts key Caterpillar catalog:
8M3498
KEY
12E, 16, 1674, 1693, 561B, 631C, 657, 666, 769, 824B, 825B, 834, 951B, 955H, 955K, 977H, 977K, 983, 988, D334, D4D
12E, 16, 1674, 1693, 561B, 631C, 657, 666, 769, 824B, 825B, 834, 951B, 955H, 955K, 977H, 977K, 983, 988, D334, D4D
1B8710
KEY
118, 120, 120B, 12E, 140, 140B, 184, 583H, 651, 666, 772, 824, 931B, 931C, 955H, 955K, 955L, 977H, 988G, D326F, D337, D342C, D346, D348, D353C, D364, D379, D379A, D397D, D398, D3B, D3C II, D4H, D5H, D...
118, 120, 120B, 12E, 140, 140B, 184, 583H, 651, 666, 772, 824, 931B, 931C, 955H, 955K, 955L, 977H, 988G, D326F, D337, D342C, D346, D348, D353C, D364, D379, D379A, D397D, D398, D3B, D3C II, D4H, D5H, D...
1B8701
KEY
12E, 12G, 130G, 140G, 14G, 16, 16G, 24H, 517, 527, 561H, 561M, 571G, 572G, 578, 583R, 587R, 651, 657, 666, 768B, 769, 772, 773, 834, 918F, 931B, 931C, 938F, 941, 943, 950G, 951B, 953, 953B, 955C, 955H...
12E, 12G, 130G, 140G, 14G, 16, 16G, 24H, 517, 527, 561H, 561M, 571G, 572G, 578, 583R, 587R, 651, 657, 666, 768B, 769, 772, 773, 834, 918F, 931B, 931C, 938F, 941, 943, 950G, 951B, 953, 953B, 955C, 955H...
1B8708
KEY
120B, 12E, 12F, 12G, 140, 140B, 14E, 14G, 16, 163, 16G, 191, 245, 245D, 30/30, 3181, 3192, 5230, 5230B, 561C, 583H, 594, 611, 615, 615C, 621, 621B, 621R, 623, 627B, 631C, 633C, 637D, 641, 641B, 650B, ...
120B, 12E, 12F, 12G, 140, 140B, 14E, 14G, 16, 163, 16G, 191, 245, 245D, 30/30, 3181, 3192, 5230, 5230B, 561C, 583H, 594, 611, 615, 615C, 621, 621B, 621R, 623, 627B, 631C, 633C, 637D, 641, 641B, 650B, ...
4H9743
KEY
12E, 594H, 955H, 977H, D342, D342C, D343, D353C, D8H, D9E, D9G, D9H, G343
12E, 594H, 955H, 977H, D342, D342C, D343, D353C, D8H, D9E, D9G, D9H, G343
4D6086
KEY
120, 120B, 120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 12E, 12F, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 135H, 135H NA, 140, 140B, 140G, 140H, 140H ES, 140H NA...
120, 120B, 120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 12E, 12F, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 135H, 135H NA, 140, 140B, 140G, 140H, 140H ES, 140H NA...
3B6691
KEY
120B, 12E, 140
120B, 12E, 140
0T0217
KEY
120, 12E, 12F, 14E
120, 12E, 12F, 14E
3B2275
KEY
120, 120B, 12E, 140, 140B, 14E
120, 120B, 12E, 140, 140B, 14E
3D2148
KEY
140
140
9D2717
KEY
120B, 12F, 140B, 14E
120B, 12F, 140B, 14E
2D7926
KEY
120B, 12E, 140B
120B, 12E, 140B
3D2148
KEY
140
140
3B2275
KEY
120, 120B, 12E, 140, 140B, 14E
120, 120B, 12E, 140, 140B, 14E
6D3058
KEY
12G, 14E, 14G, 16, 16G
12G, 14E, 14G, 16, 16G
6B3749
KEY
14E
14E
0T0217
KEY
120, 12E, 12F, 14E
120, 12E, 12F, 14E
3B6691
KEY
120B, 12E, 140
120B, 12E, 140
1B0714
KEY
140
140
6D6881
KEY
16
16
9D2717
KEY
120B, 12F, 140B, 14E
120B, 12F, 140B, 14E
5D1248
KEY
12F, 14E
12F, 14E
6B1295
KEY
12E, 16
12E, 16
7D2747
KEY
16
16