Description
Ratings
Drop Box Models | Net Input Torque lb-ft (N*M) | Net Input Power hp (kW) | Turbine Torque lb-ft (N*M) | Vocations |
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1350 (1822) | 525 (391) | 2620 (3537) | Mobile Rigs – Workover, Pulling, Drilling, Pumping, Stimulation, Custom Applications |
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1950 (2633) | 550 (410) | 3476 (4692) | Mobile Rigs – Workover, Pulling, Drilling, Pumping, Stimulation, Custom Applications |
ENGINE INTERFACE
- Acceptable full-load engine governed speed: 1900-2500 rpm
- Minimum engine idle speed range (with the transmission in Drive): 550rpm
MOUNTING
- Direct: SAE No. 1 flywheel housing with flexplate drive. Cradle mount using engine flywheel
housing mounting pads and transmission rear cover mounting pads (or dropbox side pads, if applicable) with 0.625-11 inch series bolts. - Remote: Side pads on transmission rear cover (or dropbox side pads, if applicable) plus front trunnion mount.
TORQUE CONVERTER
Model | Stall Torque Ratio | Kp-Factor* at Stall |
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TC-580 | 2.89 | 62.2 (53.4) |
TC-680 (with retarder) | 2.17 | 53.2 (45.7) |
TC-680 (without retarder) | 2.08 | 54.6 (46.9) |
TC-682 | 1.77 | 43.7 (37.5) |
TC-683 | 1.85 | 35.1 (30.1) |
MECHANICAL RATIOS
Gear ratios do not include torque converter multiplication)
First | 4.00 : 1 |
Second | 2.68 : 1 |
Third | 2.01 : 1 |
Fourth | 1.35 : 1 |
Fifth | 1.00 : 1 |
Sixth | 0.67 : 1 |
Reverse 1 | – 5.15 : 1 |
Reverse 2 | – 3.44 : 1 |
In forward range | 5.97 |
Dropbox, if applicable | 1.00 : 1 |
CONTROL SYSTEM
Description |
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Shift Sequences | [C = Converter Mode (lockup clutch disengaged); L = Lockup Mode (lockup clutch engaged)] 1C–1L–2C–2L–3C–3L–4C–4L–5C–5L–6C–6L |
Driver-to-Transmission Interface | Customer furnished, cab-mounted shift selector |
PHYSICAL DESCRIPTION
Straight–Through | Dropbox Model | ||
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Length (engine housing to flange face) |
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Width |
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Depth (below horizontial center line) | 17.0 in (432 mm) |
26.7 in (678 mm) | |
Height (above horizontial centerline) |
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Dry weight |
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SIDE ENGINE-DRIVEN POWER TAKE-OFF PROVISION
PTO drive | Engine-driven spur gear |
PTO mounting pad | Eight-bolt, 4 o’clock position (as viewed from rear) |
PTO drive gear ratio | 1.00 x engine speed |
PTO drive gear rating | Intermittent: 200 hp (149 kW) and Continuous: 125 hp (93 kW) |
LIGHT DUTY ACCESSORY DRIVE
Accessory drive | Engine-driven, internal spline |
Accessory drive mounting pad | Location: 4 o’clock position (as viewed from rear of transmission)Orientation: Toward rear of transmission |
Accessory drive ratio | 1.00x engine speed |
Accessory drive rating | Torque: 25 lb-ft (24 N*m)Power: 10 hp (7.5 kW) |
TOP ENGINE-DRIVEN POWER TAKE-OFF PROVISION (OPTION)
PTO drive | Engine-driven spur gear |
PTO mounting pad | Eight-bolt, 12 o’clock position (as viewed from rear) |
PTO drive gear ratio | 1.21 x engine speed |
PTO drive gear rating |
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INPUT RETARDER PROVISION (OPTION)
Type | Integral, hydraulic – Coupling-type rotor between fixed stators |
Capacity at 2100 rpm |
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OIL SYSTEM
Oil Type | C-4 |
Capacity Excluding external circuits |
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Main Circuit Oil Filter |
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Cooler circuit oil filter (optional) | Replaceable element, remote-mounted |
SPEEDOMETER PROVISIONS
Electronic: | Location: LS-TTL signal, 39 pulses per output shaft revolution Output signal from transmission ECU |
Mechanical Drive (straight-thru model): | Location: SAE “Heavy Duty” 5/32-inch; Ratio 0.50 : 1 Transmission rear cover |
Mechanical Drive: | Location: SAE “Heavy Duty” 5/32-inch; Ratio 1:00: 1 Rear surface of dropbox module |
PARK BRAKE PROVISION
- Type (customer supplied): 12 x 5-inch drum
- Capacity at lever apply force: 90,000 lb-in at 517 lbf (10,168 N*m at 2058 N)