Funk  28000 S E R I E S  Pump Drive   OPTION SELECTIONS
 
  GEAR RATIOS
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  SINGLE AND DOUBLE  5 inch (127mm):  1:1  1.12:1  1.41:1  1.59:1  .63:1  .71:1  .89:1
  SINGLE AND DOUBLE  6 inch (152mm):  1:1  1.10:1  1.27:1  1.40:1  1.54:1  .65:1  .71:1  .79:1  .91:1
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  FLYWHEEL COVER HOUSING
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SAE Size A Dim. B Dim. Bolts Reqd.
1 20.875 (530.2) 20.125 (511.2) 12-7/16 (11.1)-14
2 18.375 (466.7) 17.625 (447.7) 12-3/8 (9.5)-16
3 16.875 (428.6) 16.125 (409.6) 12-3/8 (9.5)-16
4 15.000 (381.0) 14.250 (362.0) 12-3/8 (9.5)-16
5 13.125 (333.4) 12.375 (314.3) 8-3/8 (9.5)-16
SAE 5 available on 28105 only. SAE 1&5 not available on 281FC.
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PLATE DRIVEN CLUTCH DRIVEN
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  CLUTCH COVER HOUSING
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SAE Size A Dim. B Dim. H Dim. Bolts Reqd.
1* 20.875 (530.2) 20.125 (511.2) 9.625 (244.5) 12-7/16 (11.1)-14
1 20.875 (530.2) 20.125 (511.2) 4.875 (123.8) 12-7/16 (11.1)-14
2 18.375 (466.7) 17.625 (447.7) 4.875 (123.8) 12-3/8 (9.5)-16
2>^ 18.375 (466.7) 17.625 (447.7) 6.625 (168.3) 12-3/8 (9.5)-16
2> 18.375 (466.7) 17.625 (447.7) 9.625 (244.5) 12-3/8 (9.5)-16
3 16.875 (428.6) 16.125 (409.6) 4.875 (123.8) 12-3/8 (9.5)-16
3> 16.875 (428.6) 16.125 (409.6) 9.625 (244.5) 12-3/8 (9.5)-16
4 15.000 (381.0) 14.250 (362.0) 4.875 (123.8) 12-3/8 (9.5)-16
*SP-211 or SP-114. >SP-211 only. ^not available on 281TXXXXX.
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  DRIVE PLATE ASSEMBLY
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Clutch Size C Dim. D Dim. E Dim. F Dim. G Dim. Hole Size Holes
8" 10.375 9.625 2.04 or 2.44 3.94 2.44 13/32 6
(203.2mm) (263.5) (244.5) (51.8) or (62.0) (100.0) (62.0) (10.3)
10" 12.375 11.625 2.44 or 2.83 3.94 2.12 13/32 8
(254.0mm) (314.3) (295.3) (62.0) or (71.9) (100.0) (53.8) (10.3)
11 1/2" 13.875 13.125 2.44 or 2.83 3.94 1.56 or 2.12 13/32 8
(292.1mm) (352.4) (333.4) (62.0) or (71.9) (100.0) (39.6) or (53.8) (10.3)
14" 18.375 17.250 2.83 or 3.15 3.94 1.00 17/32 8
(355.6mm) (466.7) (438.2) (71.9) or (80.0) (100.0) (25.4) (13.5)
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  PUMP DRIVE CLUTCH COVER DATA
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Clutch Size Clutch Work TQ C Dim. D Dim. E Dim. F Dim. G Dim. Hole Size Holes
8" T.D. 228 10.375 9.625 2.04/2.44 3.94 2.44 13/32 6
(203.2mm) C-108 (308.9Nm) (263.5) (244.5) (51.8)/(62) (100.0) (62.0) (10.3)
10" T.D. 328 12.375 11.625 2.44/2.83 3.94 2.12 13/32 8
(254.0mm) C-110 (444.4Nm) (314.3) (295.3) (62)/(71.9) (100.0) (53.8) (10.3)
11 1/2" T.D. 387 13.875 13.125 2.44/2.83 3.94 1.56/2.12 13/32 8
(292..1mm) C-111 (524.4Nm) (352.4) (333.4) (62)/(71.9) (100.0) (39.6)/(53.8) (10.3)
11 1/2" T.D. 910 13.875 13.125 2.44/2.83 3.94 1.56/2.12 13/32 8
(292..1mm) SP-211 (1233.1Nm) (352.4) (333.4) (62)/(71.9) (100.0) (39.6)/(53.8) (10.3)
14" T.D. 810 18.375 17.250 2.83/3.15 3.94 1.00 17/32 8
(355.6mm) SP-114 (1097.6Nm) (466.7) (438.2) (72)/(80.0) (100.0) (25.4) (13.5)
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  PUMP ADAPTER PLATES
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SAE A SAE B
SAE C SAE D

Not available on 28TXXXXXX.

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  PUMP ADAPTER SLEEVES
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SAE Size A Dim. B Dim. Bolts Reqd.
B 1.81 (46.0) .75 (19.1) 7/8 (22.2)-13T.16/32P.
C 2.00 (50.8) .94 (23.9) 1 1/4 (31.8)-14T.12/24P.
2.00 (50.8) .94 (23.9) 1 3/8 (34.9)-21T.16/32P.
C 1.87 (47.5) .81 (20.6) 1 1/4 (31.8)-14T.12/24P.
BB 2.00 (50.8) .94 (23.9) 1 (25.4)-15T.16/32P.
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  INPUT OR OUTPUT DRIVE ASSEMBLIES
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FLANGED SHAFT 2 1/4 (57.2) KEYED SHAFT 1 3/8 (34.9)-10 STRAIGHT SIDE SPLINED SHAFT

 Not available on 28105X and 281Z models.
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