Brewster N4-A 750HP Drilling Rig 1 | Total Drilling Supply LLC

Brewster N4-A 750HP mechanical drilling rig, certified in 2024 and available on a lease-to-own basis at $1.5M down plus $7,500 per day. Critical components covered by the lessor. Features a 105 ft Superior Derrick with 300,000 lb hook load, two Caterpillar C-13 engines (830 HP total), dual Emsco F-1000 triplex mud pumps, and a full solids-control system. Drill pipe and BOP included.

Technical Overview

Key Equipment Specifications

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Mast & Substructure

DerrickSuperior, 105 ft
Hook Load300,000 lbs (8 lines)
Rotary Clearance9'4" to Bottom Sub
RKB Height13'5"
TrailerLee C. Moore Triaxle

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Drawworks & Rotary

DrawworksBrewster Model N4-A
Drill Line1-1/8" grooved
BrakeParmac SR 22 Hydromatic
Rotary17-1/2" × 44-1/4" RT-175
Pipe SpinnerVarco SS10

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Power System

Engines2 × Cat C-13 Diesel, 830 HP total
Torque ConvertersTwin Disc F-11524-TCIL
Generators2 × 410KW (2 × Cat C-15 Tier 4, 626 HP)
Air Compressors2 × Sullivan 300-DG-TE Screw Type

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Mud System

Pumps2 × Emsco F-1000, 6-3/4" × 10" Triplex
Pump PowerCat C32 with National C-245-64 TC
Mud Tanks2-tank, 560 bbl round bottom
Shakers2 × Brandt Alpha Linear Motion
DesanderDerrick (2) 12" cones
DesilterDerrick (12) 4" cones

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BOP & Well Control

AnnularGK Hydrill 11" 900 Series, 3,000 psi
Double RamNL Shaffer 11" LWS 3,000 psi
AccumulatorCAD Type M, 3,000 psi, 10-gal bottles
Choke Manifold5,000 psi, 4" × 2"

Equipment Gallery

Rig Photos

Brewster N4-A Rig 1

Brewster N4-A Derrick

Rig Components

Drill Floor

Power System

Capabilities

Key Advantages

01

Certified Ready-to-Work

Fully certified in 2024 with critical components covered by the lessor under the lease-to-own program — minimizing operator's maintenance liability while in the field.

02

Dual Triplex Mud Pump Capacity

Two Emsco F-1000 6-3/4" × 10" triplex pumps each powered by a Cat C32, providing redundant high-pressure circulation capability for extended drilling programs.

03

Complete Solids Control Package

Full solids-control train: dual Brandt Alpha linear motion shakers, Derrick desander and desilter, Derrick Drilco degasser, and 513-bbl drill water tank — ready to drill on arrival.

Complete Data

Full Equipment Status

Drawworks

Model	Brewster N4-A
Drill Line	1-1/8" grooved
Brake	Parmac SR 22 Single Hydromatic

Derrick

Make/Height	Superior, 105 ft
Hook Load	300,000 lbs (8 lines)
Rotary Beam Clearance	9'4" to Bottom Sub
RKB Height	13'5"
Substructure	Lee C. Moore Triaxle Trailer

Power

Engines	2 × Caterpillar C-13 Diesel, 830 HP total
Torque Converters	Twin Disc F-11524-TCIL
Generators	2 × 410KW, Cat C-15 Tier 4 @ 626 HP each
Air Compressors	2 × Sullivan 300-DG-TE; 1 × Quincy 350

Mud Pumps

Type	2 × Emsco F-1000, 6-3/4" × 10" Triplex
Power	Cat C32 w/ National C-245-64 TC each

Drill String

Drill Pipe	4" OD 14.40# Grade G-105, Full Hole w/Hardband
Drill Collars	6"–6-1/4" OD Slick NC44 w/Hardband
Kelly	Omsco 5-1/4" × 36' HP

BOP

Annular	GK Hydrill 11" 900 Series, 3,000 psi
Double Ram	NL Shaffer 11" LWS, 3,000 psi
Choke Manifold	5,000 psi, 4" × 2", Two Adj. Chokes

Ancillary Equipment

Crown Block	Superior, 5 × 36" Sheaves
Traveling Block	160-Ton Ideco UTB, 4 Sheaves
Swivel	Emsco LB200, 200-Ton
Rotary	17-1/2" × 44-1/4" RT-175
Mud Tanks	2-tank, 560 bbl Round Bottom
Fuel Tank	8,000 Gallon w/ Lubester
Drill Water Tank	513 bbl
Wireline Unit	Mathey GC-B2, .092 Line

Pricing

Program	Lease-to-Own
Down Payment	$1,500,000
Day Rate	$7,500/day
Certified	2024
Maintenance	Critical components covered by Lessor

Key Equipment Specifications

Mast & Substructure

Drawworks & Rotary

Power System

Mud System

BOP & Well Control

Rig Photos

Key Advantages

Certified Ready-to-Work

Dual Triplex Mud Pump Capacity

Complete Solids Control Package

Full Equipment Status

Drawworks

Derrick

Power

Mud Pumps

Drill String

BOP

Ancillary Equipment

Pricing

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