1857978 SPIDER AS-FAN Caterpillar parts
621G, 623G, 627F, 627G, 657B
Rating:
Alternative (cross code) number:
CA1857978
185-7978
1857978
CA1857978
185-7978
1857978
Weight: 38 pounds 17 kg.
Information:
BLADE WIDTH
77.47
mm
BOLT CIRCLE DIAMETER
139.7
mm
DIAMETER OF PITCH CIRCLE HOLES
13.5
mm
HUB THICKNESS
4.93
mm
NUMBER OF BLADES
6
NUMBER OF PITCH HOLES
6
OD
914.4
mm
PILOT HOLE DIAMETER
76.24
mm
TYPE
SUCTION
WHEEL SCRAPER, WHEEL TRACTOR,
This part in 2 request:
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This information for suppliers only!
2024-09-21
2024-08-27
Compatible equipment models: 1857978:
Information:
Removal Procedure ( 3003 Engine)
Start By:
Remove the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00582471
Remove bolts (1) .
Remove flywheel (2) .
If removal of the flywheel ring gear is necessary, place an index mark on the flywheel and the flywheel ring gear for the installation process.
Illustration 2 g00683054
Typical example
Use a hammer and a punch in order to remove flywheel ring gear (3) from flywheel (2) .
Inspect the flywheel ring gear and the flywheel for wear or damage. If the flywheel ring gear or the flywheel is worn or damaged, use new parts for replacement.Removal Procedure ( 3013, 3014, and 3024 Engines)
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7573     Link Bracket     1    
B     -     Guide Bolt (M10 x 1.25 mm)     2    Start By:
Remove the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 3 g00582825
Attach Tooling (A) and a suitable lifting device to flywheel (2) . The weight of flywheel (2) is approximately 34 kg (75 lb).
Remove two bolts (1) opposite each other from the flywheel.
Install Tooling (B) .
Remove remaining bolts (1) .
Illustration 4 g00584293
Remove flywheel (2) .
If removal of the flywheel ring gear is necessary, place an index mark on the flywheel and the flywheel ring gear for the installation process.
Illustration 5 g00683054
Typical example
Use a hammer and a punch in order to remove flywheel ring gear (3) from flywheel (2) .
Inspect the flywheel ring gear and the flywheel for wear or damage. If the flywheel ring gear or the flywheel is worn or damaged, use new parts for replacement.
Start By:
Remove the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00582471
Remove bolts (1) .
Remove flywheel (2) .
If removal of the flywheel ring gear is necessary, place an index mark on the flywheel and the flywheel ring gear for the installation process.
Illustration 2 g00683054
Typical example
Use a hammer and a punch in order to remove flywheel ring gear (3) from flywheel (2) .
Inspect the flywheel ring gear and the flywheel for wear or damage. If the flywheel ring gear or the flywheel is worn or damaged, use new parts for replacement.Removal Procedure ( 3013, 3014, and 3024 Engines)
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7573     Link Bracket     1    
B     -     Guide Bolt (M10 x 1.25 mm)     2    Start By:
Remove the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 3 g00582825
Attach Tooling (A) and a suitable lifting device to flywheel (2) . The weight of flywheel (2) is approximately 34 kg (75 lb).
Remove two bolts (1) opposite each other from the flywheel.
Install Tooling (B) .
Remove remaining bolts (1) .
Illustration 4 g00584293
Remove flywheel (2) .
If removal of the flywheel ring gear is necessary, place an index mark on the flywheel and the flywheel ring gear for the installation process.
Illustration 5 g00683054
Typical example
Use a hammer and a punch in order to remove flywheel ring gear (3) from flywheel (2) .
Inspect the flywheel ring gear and the flywheel for wear or damage. If the flywheel ring gear or the flywheel is worn or damaged, use new parts for replacement.
Caterpillar parts catalog:
Parts spider Caterpillar catalog:
8W9912
SPIDER & BEARING GP
24H, 627B, 627E, 627F, 627G, 627H, 627K, 627K LRC, 65, 65C, 65E, 69D, 75, 75C, 75D, 75E, 768C, 769C, 769D, 771C, 771D, 772B, 773B, 773D, 773E, 773F, 775B, 775D, 775E, 775F, 85C, 85D, 85E, 95E, 980G, 9...
24H, 627B, 627E, 627F, 627G, 627H, 627K, 627K LRC, 65, 65C, 65E, 69D, 75, 75C, 75D, 75E, 768C, 769C, 769D, 771C, 771D, 772B, 773B, 773D, 773E, 773F, 775B, 775D, 775E, 775F, 85C, 85D, 85E, 95E, 980G, 9...
1P7936
SPIDER ASSEM.
235, 627B, 627E, 627F, 627G, 637E, 637G, D6C, D6D
235, 627B, 627E, 627F, 627G, 637E, 637G, D6C, D6D
7H3958
SPIDER AND BEARING ASSEM.
583H, 583K, 627B, 637, 637B, 637D, 641, 650B, 651, 657, 657B, 666, 769, 773, 824B, 826B, 834, 980C, 988, 988B, D8H, D8K, D9E, D9G, D9H
583H, 583K, 627B, 637, 637B, 637D, 641, 650B, 651, 657, 657B, 666, 769, 773, 824B, 826B, 834, 980C, 988, 988B, D8H, D8K, D9E, D9G, D9H
8X0993
SPIDER
657B, 657E
657B, 657E
4N8434
SPIDER AS-FAN
16G, 16H NA, 621B, 621E, 621F, 623E, 623F, 627E, 627F, RM-350B, SM-350
16G, 16H NA, 621B, 621E, 621F, 623E, 623F, 627E, 627F, RM-350B, SM-350
5D9675
SPIDER
621, 621B, 621E, 621F, 621G, 621H, 621K, 623, 623B, 623E, 623F, 623G, 623H, 623K, 623K LRC, 627, 627B, 627E, 627F, 627G, 627H, 627K, 627K LRC, 988
621, 621B, 621E, 621F, 621G, 621H, 621K, 623, 623B, 623E, 623F, 623G, 623H, 623K, 623K LRC, 627, 627B, 627E, 627F, 627G, 627H, 627K, 627K LRC, 988
8W6884
SPIDER AS
627E, 627F, 627G, 627H, 627K, 627K LRC
627E, 627F, 627G, 627H, 627K, 627K LRC
6G0389
SPIDER
621, 621B, 621E, 621F, 621G, 623B, 623E, 623F, 623G, 627E, 627F, 627G, RM-350B, SM-350
621, 621B, 621E, 621F, 621G, 623B, 623E, 623F, 623G, 627E, 627F, 627G, RM-350B, SM-350
2445400
SPIDER AS-FAN
621B, 621G, 623G, 627F, 627G
621B, 621G, 623G, 627F, 627G
6D6867
SPIDER
631C, 641B, 650B, 657B
631C, 641B, 650B, 657B
7D4714
SPIDER
657B, 666, 769
657B, 666, 769
2M0638
SPIDER ASSEM.
621, 657, 657B
621, 657, 657B
9Y6034
SPIDER AS-FAN
IT12B
IT12B
4P1677
SPIDER AS-FAN
928F, 938F, IT28F, IT38F
928F, 938F, IT28F, IT38F
7E0627
SPIDER AS
518C, 613C II
518C, 613C II
1031981
SPIDER AS-FAN
613C II
613C II
9C8367
SPIDER & BEARING GP
936, 936F, G936
936, 936F, G936
4E9324
SPIDER & BEARING GP
938G, 938G II, 938H, 938K, 950F, 950F II, 950G, 950G II, 950H, 950K, 960F, 962G, 962G II, 962H, 962K, IT38G, IT38G II, IT38H, IT62G, IT62G II, IT62H
938G, 938G II, 938H, 938K, 950F, 950F II, 950G, 950G II, 950H, 950K, 960F, 962G, 962G II, 962H, 962K, IT38G, IT38G II, IT38H, IT62G, IT62G II, IT62H
1366545
SPIDER
950G, 950G II, 950H, 950K, 962G, 962G II, 962H, 962K, IT62G, IT62G II, IT62H
950G, 950G II, 950H, 950K, 962G, 962G II, 962H, 962K, IT62G, IT62G II, IT62H
1197864
SPIDER AS-FAN
120H, 135H, 938G, 950G, 962G, IT38G, IT62G
120H, 135H, 938G, 950G, 962G, IT38G, IT62G
2560809
SPIDER-DRIVE
631E, 631G, 633E II, 637E, 637G
631E, 631G, 633E II, 637E, 637G
2445929
SPIDER AS-FAN
24M, 631D, 631E, 631G, 633E II, 637D, 637E, 637G, 657E, 657G, 770, 770G, 770G OEM, 772, 772G, 772G OEM
24M, 631D, 631E, 631G, 633E II, 637D, 637E, 637G, 657E, 657G, 770, 770G, 770G OEM, 772, 772G, 772G OEM
1133633
SPIDER AS-FAN
928G, IT28G
928G, IT28G